RAISED PANELS FOR PLANE

专利摘要:
METHOD OF MANUFACTURING A HYBRID PART AND A GASKET BY ADDITIVE MANUFACTURING Warning panel (1) for a passenger service unit of an airplane adapted to be subsequently installed on a passenger service unit, the panel (1) comprising at least a first signaling zone (10) and a second signaling zone (12), it is characterized in that the first signaling zone (10) is arranged to be illuminated by a switchable lighting means in the passenger service unit and that the panel (1) comprises a first and a second layer and a photoluminescent material is disposed on at least one of the first and second layers of the panel in the second signaling zone (12), the second zone of signage (12) having at least a first icon (8) illuminated by the photoluminescent material such that the first icon (8) is always illuminated during use. Figure to be published with the abstract: Figure 1
公开号:FR3071818A1
申请号:FR1859076
申请日:2018-10-01
公开日:2019-04-05
发明作者:Rhian Bache；Sean O'Kell
申请人:Saf T Glo Ltd；
IPC主号:

专利说明:

RAISED PANELS FOR AIRCRAFT
The present invention relates to raised panels for aircraft, in particular panels located in passenger service units.
Generally, airplanes are equipped with raised panels located in a passenger service unit. The raised panels are used to provide information to passengers for the duration of the trip. Signs can provide information to passengers, such as a “no smoking” sign and when to use seat belts. Other information can be provided by the raised panels.
Such panels are used in current passenger service units and are illuminated by switchable halogen lamps (on / off) designed to illuminate the panel. In the existing passenger service units, lighting is provided for each panel and each lighting can be controlled independently. You will realize that having a large number of independent bulbs creates a maintenance and upkeep load.
An aircraft has a long service life and, during the period of use, it may be desirable to modernize the interior of the cabin to give it a more modern appearance. It is also desirable to be able to change the aircraft signaling in order to take account of the new requirements and to add new features to the signaling. In addition, it is desirable to reduce maintenance requirements. One problem that can arise is that, if a safety sign is not operational, it may be necessary to close a row of seats, resulting in complications for the airline.
According to a first aspect, the invention relates to a signaling panel for a passenger service unit adapted to be subsequently installed on a passenger service unit, the panel comprising at least a first signaling zone and a second signaling zone , in which the first signaling area is arranged to be lit by a switchable lighting means in the passenger service unit and in which the panel comprises first and second layers and a photoluminescent material is arranged on at least one one of the first and second layers of the panel in the second signaling zone, the second signaling zone having at least a first icon illuminated by the photoluminescent material so that the first icon is always illuminated during use.
According to a second aspect, the invention relates to a method of transforming a signaling in a passenger service unit comprising the supply of a signaling panel adapted to be installed in an existing passenger service unit, the panel signaling system comprising at least a first signaling zone and a second signaling zone, the first signaling zone being arranged to be lit by means of lighting which can be switched in the passenger service unit, and in which the signaling panel includes first and second layers and a photoluminescent material is disposed on at least one of the first and second layers of the sign in the second sign area, the second sign area having at least a first icon illuminated by the material photoluminescent so that the first icon is always lit during the In use, the method includes removing an existing sign, connecting the sign to the passenger service unit and attaching the sign to the passenger service unit.
The first signaling zone is adapted to be lit independently of the second signaling zone.
According to a preferred embodiment, the second signaling zone is used for a “no smoking” sign. According to the regulations in force, the "no smoking" sign must be permanently lit. The second signaling area is lit by photoluminescent emissions from the photoluminescent material continuously during a flight, which complies with the regulations in force.
Preferably, the first signaling zone is adapted to be lit by switchable lighting means. The lighting means may include a standard bulb. In a preferred arrangement, a light emitting diode (LED) unit is connected to the existing power supply in place of the bulb
-f
G standard. The LED unit is preferably connected to the existing two-pin socket in the passenger service unit (PSU). The LED unit is switchable by the aircraft crew in a conventional manner.
According to other embodiments, the sign can include at least one additional sign area. The additional signaling area may include a switchable display device. Preferably, the switchable display device is illuminated by low-energy lighting means connected to a two-pin socket in the passenger service unit. The low-energy lighting means can, according to a preferred embodiment, comprise at least one LED unit.
According to other embodiments, the lighting means can be arranged to illuminate at least the first signaling zone and the additional signaling zone. According to other embodiments, specific lighting means can be provided for, respectively, the first signaling zone and the additional signaling zone.
The lighting means may include an LED unit having a single LED or more than one LED. The lighting means can be adapted to transmit forward or laterally and are preferably adapted to provide a backlight scan to the respective signaling area of the traffic sign.
According to other embodiments, a light guide can be provided to direct the light coming from the lighting means towards the icon in at least the first signaling zone. The light guide can include a light coloring means which can be a color filter.
According to one embodiment, more than one LED can be provided for a particular signaling area. The number of LEDs used can depend on the signaling area, the power of the LED and the required panel brightness. A number of LEDs can be combined to control the color of the light output from low-energy lighting fixtures.
Preferably, the permanently lit area includes signage including the "no smoking" icon. Since all flights are now non-smoking, the "no smoking" icon should be lit continuously, unlike the old requirements that the "no smoking" icon should only be lit during takeoff and landing . Photoluminescent material can provide constant lighting without drawing on the aircraft’s power supply, thereby reducing the aircraft’s electrical energy losses.
Desirably, the sign is adapted to be connected to an existing passenger service unit. According to a preferred arrangement, the traffic sign can be fixed in the passenger service unit. The panel and the fixing clip can be supplied as a set.
According to a preferred embodiment, the panel is provided with a number of signaling zones. Desirably, each signaling zone has one or more icons. The icons can provide information concerning, among other things, the fastening of seat belts, the ban on smoking, the availability of "WiFi" during the flight, etc. According to other embodiments, additional icons can be included in additional signaling icons of the traffic sign. Such icons may depend on the information to be communicated to passengers and may change over time.
It will be appreciated that, as the "ban on smoking" icon is illuminated by photoluminescent light, existing lighting can illuminate at least one other icon such as the "WiFi" icon.
In some cases, the traffic sign is arranged so that the illuminated icons are white. According to other embodiments, the signaling panel can be arranged, so that one or more lighting icons are colored. The introduction of color to icons can be done through the use of color modifiers such as colored film, or colors can be provided through the use of colored LEDs or other means such as color printing, such as screen printing on the plastic sheet, or a colored filter can be used.
The colors used in the traffic sign may be chosen to be in the colors of the airline brand or may be chosen to match a color scheme of the interior of the aircraft. In addition, “WiFi” icons can be arranged to be lit by blue light. Red lighting can be used to draw attention to icons such as the "fasten your seatbelt" symbol. The "no smoking" icon can also be illuminated in red or in another color such as blue.
LED lighting means are arranged in a space between an inner or rear layer and an outer or upper layer. The LED lighting means can be a single LED or a plurality of LEDs. The lighting means can provide white light or colored light. Colored light can be produced by selecting an appropriate color LED or a combination of appropriate color LEDs. Colored light emission can be achieved by the use of colored film. The colored film can be placed on an upper surface of the outer layer of the sign or between the light source and the sign area. In other embodiments, the color modifier can be disposed on a surface of the inner layer of the sign. The color modifier can be on both surfaces of the inner layer.
The colored film can be located adjacent to the icon or on the upper surface of the road sign.
According to a preferred embodiment, the sign includes a plastic sheet structure. Preferably, the traffic sign comprises several layers. The traffic sign may further include a film. The film can be applied to a plastic sheet and fixed to it by, for example, an adhesive. The film can be laminated on a plastic sheet.
According to certain embodiments, the sign may include a printed layer. The printed layer can block light transmission. Transparent parts allow light to be transmitted. The light can be white or colored by a film or a filter.
Icons can be positive forms or can be negative images formed by a non-transmitting party. The non-transmitting part can be created by a printed image or in some cases by a blocking film.
According to certain embodiments, the panel can have a dark coloring. According to other embodiments, the panel can have a cream coloring as a background color. The color of the panel can be chosen to complete the interior design of the aircraft. Preferably, the color of the icon or of each icon contrasts with the background color of the panel. The background color can be provided by the film or by a printed layer.
According to certain embodiments, the icon of each icon comprises a transparent part of the panel. The icon or each icon may include a transparent part of the panel, in particular of the upper layer.
The icon or each icon may include a colored film applied to the top surface of the panel.
Typically, the photoluminescent material can be chosen to transmit light in yellow or green to blue wavelengths. A colored film can be placed in the panel so that another color is perceived by a passenger. In other embodiments, printing ink can be applied to a panel surface and the colored ink can change the perceived color of the icon. The printing ink or film or any other color modifier can be applied to an interior surface or an exterior surface of the top coat.
According to other embodiments, the icon can be formed from a non-transmitting part of the panel surrounded by a transparent part through which the photoluminescent light is transmitted. The non-transmitting part can be formed by a film or according to a preferred embodiment by color printing applied to a surface of the panel. According to certain embodiments, the icon can be formed by a silhouette of the icon.
The use of photoluminescent material to permanently light an icon, such as the "no smoking" symbol, while using the aircraft reduces the need for maintenance as the bulbs no longer need to be replaced periodically. In addition, the power supply to the aircraft during the flight is also reduced. In some cases, mass reduction can also be achieved, although this is not essential since the system offers other more important advantages. Another advantage is that low-energy lighting means such as an LED unit is more reliable than existing halogen or incandescent lamps. It is expected that seat row closures will be reduced as there will be less chance that the lighting systems will not be operational. In addition, the photoluminescent light does not depend on an active electrical connection and, once charged, is always on. It will also be appreciated that, as explained above, lighting the "no smoking" icon with photoluminescent material allows the use of existing lighting for another icon. The existing lighting means are preferably switchable.
According to a preferred embodiment, the sign comprises a number of layers of plastic material. There are at least two layers of plastic. First and second layers of plastic can be bonded together with a layer of adhesive. According to other embodiments, the sign may include other materials.
According to a preferred arrangement, the first layer of plastic comprises a diffuse sheet which forms an outer layer of the panel. The diffuse sheet can provide more diffuse lighting instead of directional lighting from the lighting means located behind the panel. The first plastic sheet may have a printed layer on a back surface of the sheet. The printed layer can be screen printed on the back surface of the sheet.
According to one embodiment, the printed layer can be black or gray. According to other embodiments, the printed layer is white. Alternatively, the layer can be printed in other colors.
According to a preferred embodiment, at least part of the printed layer aligned with the photoluminescent material is white.
In a preferred arrangement, the second plastic sheet includes a transparent sheet which includes an inner layer of the panel. According to certain arrangements, the second plastic sheet includes a color modifier. The color modifier may include a color applied to a back surface of the second sheet. The color modifier may, according to other embodiments, include a colored film or printed inks or dyes. Preferably, the color modifier transmits light in the wavelengths necessary to charge the photoluminescent material.
Preferably, the photoluminescent material is applied to the rear surface of the second sheet in at least part of the panel corresponding to the second signaling area. The photoluminescent material can be charged by means of light passing through the second transparent layer from the environment. Desirably, the light also passes through the color modifier.
In some embodiments, the color modifier is arranged so that the icon appears to be a single color in daylight or in ambient light. In the dark, the outline of the icon may be lit by emitted photoluminescent light and the icon may appear to be a different color such as blue.
According to a preferred embodiment, the color modifier is applied to the plastic sheet. Airline brand icons and images are applied with this layer. The color modifier is formed by inks printed according to a preferred embodiment.
Desirably, a photoluminescent material is applied to the second plastic sheet after application of the color modifier. This arrangement has been found to provide an improved image with a transparent edge to the photoluminescent material and the icon.
It will be appreciated that other means of providing the photoluminescent material may be used. For example, the photoluminescent material can be placed on or in an additional layer and can be bonded to one of the layers of plastic sheet. Alternatively, a layer of. vinyl comprising the photoluminescent material can be placed on the panel.
The method of transforming a signaling in a passenger service unit of an airplane comprises disconnecting an existing fixing clip and removing an existing panel from an opening in the passenger service unit, the provision of a sign in accordance with a first aspect of the invention and adapted to be installed in the opening and a fixing clip for installing the sign in the opening and fixing the panel with the clip.
The replacement of a conventional panel with a panel in accordance with the invention allows the airline to increase the life of the passenger service unit and considerably reduce the maintenance required to ensure that all the panels work. In addition, each passenger benefits from appropriate and precise safety and information signs. It is noted that the use of photoluminescent material to illuminate the “no smoking” icon allows the existing lighting means in the passenger service unit to be used to illuminate new and alternative icons such as the availability of the WiFi or marketing or brand icons without replacing the existing passenger service unit or complex and costly modification to incorporate additional lighting.
Desirably, the panel is made from non-flammable materials. According to preferred embodiments, the panel is made of a scratch-resistant material. It is desirable that the panel cannot be damaged by a passenger, whether deliberately or accidentally,
According to preferred embodiments, the panel is designed to be tamper-proof or tamper-proof.
The invention will now be described by way of example only with reference to the accompanying drawings in which:
Figure 1 is a perspective view of a traffic sign according to the invention showing light signaling;
Figure 2 is a view of a panel according to the invention installed on a passenger service unit in an aircraft;
Figure 3 is another image of a panel according to the invention in position in a passenger service unit; and
Figure 4 is an exploded view of a clip and layers of a panel according to the invention.
Figure 1 illustrates a panel '1 according to the invention. The panel 1 comprises an exterior surface 2 comprising a bottom 4 comprising several signaling zones 6.
Each signaling zone 6 comprises at least one icon 8. The icon 8 can be selected from warning icons such as “fasten your seatbelt” symbols and “no smoking” symbols or can be informational such as the “ Wireless ". Additional signage may be in the form of commercial symbols or an airline brand.
According to this embodiment, the traffic sign comprises a first traffic area 10 and a second traffic area 12. The traffic sign may also include one or more additional traffic areas according to other embodiments.
The first signaling area 10 includes a first icon 14 comprising a part of the panel 1 through which the light is transmitted. Advantageously, any existing bulb can be replaced by a low-energy lighting means, such as an LED unit, arranged to be able to be connected to a conventional two-pin socket in the passenger service unit before connecting the sign in the passenger service unit.
The LED unit can be a single LED or a plurality of LEDs. The LED unit can provide white light or colored light. Colored light can be produced by selecting an appropriate color LED or a combination of appropriate color LEDs. Alternatively, colored light emission can also be achieved by the use of colored film.
The LED unit can be controlled to be in a stopped state or in a working state by conventional switches in the passenger service unit which are operated by the aircraft crew. It is also envisaged that other control means can be used.
The number of LEDs or the brightness of the LED or each LED is selected so that safety related icons can be easily seen at least 2m away in the dark.
The second signaling zone 12 includes a second icon 16. According to this embodiment, the second icon 16 includes a “no smoking” icon. The "no smoking" icon should be constantly lit while operating an aircraft.
The second icon 18 is illuminated by a photoluminescent material. According to this embodiment, the photoluminescent material is placed on a surface of the panel. According to other embodiments, a photoluminescent material is disposed at the rear of the panel and is arranged to provide a light source to an icon on the panel.
For a "no smoking" symbol, it is preferable that the icon is lit by a photoluminescent material. The photoluminescent material can be arranged to emit light in the red region of the electromagnetic spectrum. This can be achieved by selecting an appropriate persistent phosphorescent pigment. The photoluminescent material can emit in blue or green to yellow wavelengths. Alternatively, the photoluminescent material can be selected to transmit light in red wavelengths, typically from 580 to 700 nm. Photoluminescent pigments can be a strontium aluminate, in particular a strontium aluminate doped with europium which has been found to be particularly suitable and to have advantageous charge profiles when available lighting and to have emission characteristics appropriate to provide the necessary transmit power and persistence. Other phosphorescent materials include; copper-activated zinc sulfide.
Alternatively, the photoluminescent material can transmit in blue to yellow wavelengths. A colored film can be placed in the panel so that the icon is illuminated with light emitted by the photo-luminescent material. The colored film is preferably arranged to allow the emitted photoluminescent light to be transmitted through the film. The colored film can be arranged to absorb light of wavelengths other than the desired color. When a film is placed between the environment and the photoluminescent material, the film is also arranged so as to transmit light in the region necessary to charge the photoluminescent material. According to some embodiments, the icon is formed by a printed image which is surrounded by a transparent part so that the icon is lit up like a silhouette. In this embodiment, the icon forms a negative image.
According to another embodiment, the photoluminescent material is chosen so as to transmit light in blue to green wavelengths and the photoluminescent material also comprises a fluorescent dye which absorbs practically all the wavelengths of light emitted by the photoluminescent material. The fluorescent dye is further selected to emit light in a region different from the electromagnetic spectrum. The fluorescent dye practically does not absorb the wavelengths in the region which charges the photoluminescent material and thus does not prevent a sufficient charge of the photoluminescent material. Other details on the electroluminescent material comprising a photoluminescent material and a fluorescent material can be found in our pending application: GB 1613415.7 and PCT / GB2017 / 052250, the entire content of which is incorporated by reference in the present document.
The photoluminescent material is selected so that the icon has a contrast ratio of 1:10.
Each panel 1 is arranged so as to be connected to an existing passenger service unit 18 and is designed to be installed in a corresponding opening
20. The shape of the panel 1 is such that it is installed in the passenger service unit 18 and cooperates with the existing fixing means adjacent to the opening 20. The panel has a shape adapted to cooperate with a unit of existing passenger services and can be fixed in place of a conventional panel.
The panel is adapted to be at least tamper-proof and preferably tamper-proof.
At least the outer surface is scratch resistant.
Figure 3 is a view of a panel according to the invention in position in a passenger service unit. The panel comprises a first signaling zone 10 comprising a “fasten your belt” icon and a switchable low-energy lighting means located in the PSU to illuminate this icon in a conventional manner. A second signaling zone 12 includes a “no smoking” icon and a “no smoking” icon is lit by a photoluminescent material located behind the icon. An additional signaling area 22 is arranged and illuminated by switchable lighting means which is preferably low energy consumption. The additional signaling zone 22 includes, in this case, an icon indicating that "WiFi" is available.
As shown in Figure 3, the panel can be retrofitted to an existing passenger service unit and is sized to replace the existing panels. The first signaling zone and any additional signaling zones are adjacent to the locations of the existing two-pin sockets, so that the signaling zones can be switched by the aircraft crew in a conventional manner.
Figure 4 is an exploded view of a panel and a fixing clip according to the invention. The clip includes a frame 24 in which there are first and second plastic sheets forming sub-layers of the panel. This frame 24 holds the panel in place in an opening in the passenger service unit of an aircraft. The panel comprises a first layer comprising a plastic sheet 26 located at the rear of the panel. The first sheet 26 includes a diffuse sheet. A rear or internal surface 28 of the diffuse plastic sheet is screen printed with black ink. The black ink acts as a mask to block the transmission of light from the LED unit connected to a two-pin socket in the PSU. According to certain embodiments, the blocking layer can be white.
It has proven advantageous to provide a layer of white ink in alignment with the photoluminescent material to improve the performance of the photoluminescent material.
A layer of adhesive 30 connects the first diffuse layer to a second plastic sheet 32 comprising a transparent plastic sheet.
A number of screen printing layers are disposed on a back surface 34 of the second sheet 32. It will be appreciated that the screen printing ink layers are selected to provide the desired icon color or a color for the airline brand. . Providing a coat of white ink can also enhance the vividness of images printed on the panel.
A layer of photoluminescent material is applied to the rear surface 34 of the second sheet 32. The photoluminescent material is charged by the light transmitted through the translucent plastic sheet 32 from the environment. The light emitted by the photoluminescent material passes through the translucent part and illuminates the security icon. In use, the photoluminescent material is trapped between the first and second layers of plastic material.
It should be noted that the embodiment described is only one embodiment and that a person skilled in the art can envisage other arrangements which use the concept of the invention and fall within the scope of the claims.
When in use, the panel can be subsequently installed on an existing passenger service unit by following the following steps. An existing sign is removed from the passenger service unit. Optionally, first and second existing bulbs are removed from the passenger service unit and replaced with first and second energy-saving light emitting means such as an LED unit. The panel with a clip is inserted into the opening and attached to the LED units and inside the opening of the passenger service unit. The sign includes a first signage area with a "fasten your seat belt" icon and a second signage area with a "no smoking" icon. The first signaling area is illuminated by a first LED unit while the second signaling area is illuminated by an area having photoluminescent material in the panel. The second signaling area is permanently lit by the photoluminescent material. The panel has an additional signage area with additional icons which are illuminated by the second LED unit in the passenger service unit.

权利要求:
Claims (10)
[1" id="c-fr-0001]
1. Signaling panel for an aircraft passenger service unit adapted for subsequent installation on a passenger service unit, the panel comprising at least a first signaling zone and a second signaling zone, in which the first signaling zone signaling is arranged to be illuminated by a switchable lighting means in the passenger service unit and in which the panel comprises first and second layers and a photoluminescent material disposed on at least one of the first and second layers of the panel in the second signaling zone, the second signaling zone having at least a first icon illuminated by the photoluminescent material so that the first icon is always illuminated during use.
[2" id="c-fr-0002]
2. Panel according to claim 1 wherein the first signaling zone is lit independently of the second signaling zone.
[3" id="c-fr-0003]
3. The panel of claim 1 wherein a color modifier is applied to at least one of the first and second plastic layers and, optionally, the color modifier is a screen printing on the plastic layer or a color filter.
[4" id="c-fr-0004]
4. Panel according to claim 1 in which the photoluminescent material is one of the materials:
i) printed on one of the first and second layers;
ii) disposed between the first layer and the second layer;
iii) co-extruded with the layer.
[5" id="c-fr-0005]
5. Panel according to claim 1 wherein the first layer is a transparent plastic sheet and the second layer is a diffuse plastic sheet.
[6" id="c-fr-0006]
6. A panel according to any preceding claim in which the photoluminescent material is selected to emit light which appears to be yellow, green or blue or in which the photoluminescent material comprises a photoluminescent pigment and a fluorescent dye.
[7" id="c-fr-0007]
7. Panel according to any one of the preceding claims, in which the second signaling zone comprises at least one “no smoking” icon.
[8" id="c-fr-0008]
8. A method of transforming a signaling in a passenger service unit of an aircraft comprising removing an existing sign and replacing it with a sign, in which the first sign area is arranged to be lit by switchable lighting means in the passenger service unit and in which the panel comprises first and second layers and a photoluminescent material disposed on at least one of the first and second layers of the panel in the second signaling area , the second signaling zone having at least a first icon illuminated by the photoluminescent material so that the first icon is always illuminated during the use of the panel.
[9" id="c-fr-0009]
9. A method of subsequent installation of a sign as claimed in claim 8 wherein the method further comprises the step of replacing a lighting unit in the passenger service unit with low consumption lighting means optionally comprising at least one LED unit.
[10" id="c-fr-0010]
10. Method for the subsequent installation of a signaling device according to claim 9, in which the low-energy lighting means are arranged for:
a) illuminate the icon directly;
b) illuminate the icon indirectly;
c) provide a backlight to illuminate the icon;
d) providing light to a light guide arranged to illuminate the icon.

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同族专利:

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公开号 | 公开日

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GB2568388A|2019-05-15|

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US20190103041A1|2019-04-04|

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DE102018007795A1|2019-04-04|

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GB201716086D0|2017-11-15|

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法律状态:
2019-10-16| PLFP| Fee payment|Year of fee payment: 2 |

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2020-10-09| PLFP| Fee payment|Year of fee payment: 3 |

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2021-07-09| PLSC| Publication of the preliminary search report|Effective date: 20210709 |

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2021-10-08| PLFP| Fee payment|Year of fee payment: 4 |

优先权:

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申请号 | 申请日 | 专利标题

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GBGB1716086.2A|GB201716086D0|2017-10-02|2017-10-02|Aircraft overhead signs|

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GB1716086.2|2017-10-02|

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