GB2381551A - Security system for a flight deck door - Google Patents

Security system for a flight deck door Download PDF

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Publication number
GB2381551A
GB2381551A GB0126048A GB0126048A GB2381551A GB 2381551 A GB2381551 A GB 2381551A GB 0126048 A GB0126048 A GB 0126048A GB 0126048 A GB0126048 A GB 0126048A GB 2381551 A GB2381551 A GB 2381551A
Authority
GB
United Kingdom
Prior art keywords
opening
screen
curtain
closure
ballistic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB0126048A
Other versions
GB0126048D0 (en
Inventor
Michael James Wingrave Hall
Andrew Paul Bareham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB0126048A priority Critical patent/GB2381551A/en
Publication of GB0126048D0 publication Critical patent/GB0126048D0/en
Priority to PCT/GB2002/004920 priority patent/WO2003038224A1/en
Publication of GB2381551A publication Critical patent/GB2381551A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
    • B64C1/1407—Doors; surrounding frames
    • B64C1/1469—Doors between cockpit and cabin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00—Aircraft indicators or protectors not otherwise provided for
    • B64D45/0015—Devices specially adapted for the protection against criminal attack, e.g. anti-hijacking systems
    • B64D45/0021—Devices specially adapted for the protection against criminal attack, e.g. anti-hijacking systems means for restricting access to flight deck
    • B64D45/0028—Devices specially adapted for the protection against criminal attack, e.g. anti-hijacking systems means for restricting access to flight deck doors or door arrangements specially adapted to restrict unauthorized access
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

A security system comprises a screen for an opening constructed form a material which has anti-ballistic properties, the screen being movable between open and closed positions and having a securing means which engages a complementary securing means associated with one side of the opening. The screen may be slidably or pivotally movable, may be a curtain 1 and may have a durable plastic cover. The back edge of a flexible, semi-rigid or rigid bulletproof curtain 1 may be fixed to the hinged edge 7 of flight deck door 14 or door frame, channels 9 may receive the edges of the curtain which may comprise borders of hard plastic, aluminium, or composite and may of be 'T' shape in cross-section such that the curtain is held in on three sides allowing it to gather along the forth side when drawn back. The curtain may slide past the edge of the closure into a lock and channel on or in the outer frame of the opening. A camera may be mounted outside door.

Description

<Desc/Clms Page number 1>
Security System Field of the Invention This invention relates to a security system and especially, but not exclusively, to such a system for use in the aerospace industry.
Background to the Invention In airplanes, it has become crucial, for safety reasons, that the flight deck is secured to prevent entry of unauthorised personnel and also to protect the flight crew from danger from, for example, bullet or knife attack.
Previously a flight deck door has been the only barrier between the flight deck and the cabin.
Traditionally flight deck doors are constructed from lightweight materials such as plastics and are generally hollow in construction to allow for bulging caused by depressurization. Consequently, the flight deck doors do not form a secure barrier against attack from weapons such as knives or bullets, or from other forces, such as a blow from a foot.
Flight deck doors generally have simple locking mechanisms which may be accessible from outside the flight deck and consequently could be
<Desc/Clms Page number 2>
broken or picked with relative ease by an unauthorised person trying to gain access to the flight deck.
The object of the invention is to provide a security system which is inoperable from outside the flight deck and therefore substantially reduces the ability of an unauthorised person to enter the flight deck or attack the flight crew through the flight deck door, whilst also securing the flight deck against attack with bladed weapons, such as, knives, axes and the like, as well as against low to medium velocity bullets and other projectiles.
Accordingly, the invention provides a security system comprising a ballistic screen (as herein defined) which is movable reciprocably between respective open and closed positions across an opening (as herein defined) to permit or prevent access therethrough and securing means which is associated with the ballistic screen, which is engagable with complementary securing means associated with one side of the opening and which, when so engaged, secures the screen in its closed position across the opening and is inaccessible from the other side of the opening.
As used herein the term"ballistic screen" refers particularly but not exclusively to any rigid, semi-rigid or flexible curtain, panel, door or any suitable covering for an opening, which is constructed from a material which has anti-ballistic
<Desc/Clms Page number 3>
properties, for example, KEVLAR@. The anti-ballistic properties of the screen, renders a protective barrier which is relatively impervious to bladed weapons such as knives or axes, as well as against any low to medium velocity bullets and other projectiles.
As used herein, the term"opening"refers particularly but not exclusively to any aperture of a vehicle, airplane, building or the like, which is openable to provide access therethrough, examples of such openings being a, window, door, vent, gate and sunroof.
Preferably, the ballistic screen comprises a ballistic shielding material, such as that sold under the Registered Trade Mark"KEVLAR", with, optionally, a durable cover comprising a suitable material, such as a plastics material.
The ballistic screen may be mounted to the area, such as a wall, surrounding the opening.
Alternatively, the screen may be mounted to an openable closure, such as a door, for the opening.
Also, the ballistic screen may be rigid, semi-rigid or flexible and may be slidingly or pivotally, for example hingedly, movable between its open and closed positions across the openings.
Also and in a preferred embodiment to be described hereinbelow, the ballistic screen comprises a KEVLARO curtain which may be contained
<Desc/Clms Page number 4>
along three of its edges, namely the leading or free, top and bottom edges thereof, within a hard plastics, aluminium, composite or other suitable material border. In this embodiment, the border is mounted to the corresponding edge regions of a closure, namely a door, for the opening, such that the screen is movable with the door.
In one embodiment, a zone on the top and bottom edges of the curtain nearest the hinged edge of the closure for the opening is not contained within the border, thereby allowing the curtain to partially flex and to gather if drawn back into, say, its open position.
Also, the curtain or other ballistic screen, when mounted to the closure for the opening along its top and bottom edges, may be so-mounted by means of channels which are mounted on the top and bottom of the closure and along which any associated borders can slide, with the back edge of the screen being fixed directly to the closure or the area surrounding the opening by a strip or other suitable fixing.
In one embodiment, the channels which are mounted on the top and bottom edges of the door, are T-shaped in cross-section, such that an associated T-shaped curtain border can be slid through the channel, thus ensuring the curtain is secure against any attempted forced detachment.
<Desc/Clms Page number 5>
The securing means associated with the ballistic screen, when engaged with the complementary securing means on one side of the opening, ensures that the screen can be locked securely in place in its closed position, rendering it immovable and thus inoperable from the other side of the opening. The leading edge of the screen may be arranged to slide past the corresponding edge of the closure for the opening, into its closed position.
Preferably, where the securing means is associated with the leading edge of the screen, a lock and a channel, into which the leading edge of the screen can be slid, on or in an outer frame of the opening, is positioned beyond the edge of the closure, such that it is inaccessible from the other side of the opening.
Also, when the closure for the opening is to be opened, the complementary securing means can be disengaged on the one side of the opening and the leading edge of the screen slid back towards the hinged edge of the closure.
The invention is particularly, but not exclusively, relevant to the doors of flight decks, as will be evident from the following description of the preferred embodiments.
Also, this invention could be coupled with a security camera to allow the area outside, say, a
<Desc/Clms Page number 6>
fight deck to be viewed, thereby further monitoring who is allowed access to the flight deck, thereby increasing security In order that the invention may be more fully understood, preferred embodiments of a flight deck security system in accordance therewith, will now be described by way of example only and with reference to the accompanying drawings.
Brief Description of Drawings Fig. 1 is an elevational view of one embodiment of a ballistic screen for a flight deck security system; Fig. 2 is a section of the top edge of the ballistic screen shown in Fig. 1 associated with a door opening; Fig. 3 is an elevational view of the ballistic screen shown in Figs. 1 and 2 in its open position ; Fig. 4A and 4B are sections of a part of another embodiment of a ballistic screen; Fig. 5 is a plan view of the leading edge of the screen shown in Figs 1 to 4 in its closed position ; and
<Desc/Clms Page number 7>
Fig. 6 is an elevational view showing the ballistic screen of Figs. 1 to 5 locked in its closed position.
Detailed description of the preferred embodiments As shown in Figure 1, a ballistic screen for a flight deck security system comprises a flexible curtain 1 in which a sheet of ballistic shielding material, such as KEVLARO, is contained within a durable plastics cover (not shown).
The flexible KEVLARO curtain 1 is slidingly mountable to a flight deck door, forming a ballistic screen within a flight deck which is resistant to, or substantially resistant to, attack from bladed objects such as knives as well as any low to medium velocity bullets or other projectiles The curtain 1 is contained along three of its edges, namely the leading or free, top and bottom edges 5,3, 4 thereof, within a hard plastics, aluminium, composite or other suitable material border 2, 2', 2'', which acts to stiffen the edges 5,3, 4 of the flexible curtain 1.
In this embodiment, the border 2 is mountable to the corresponding edge regions of a flight deck door (not shown), such that the curtain 1 is movable with the flight deck door.
<Desc/Clms Page number 8>
A zone 6 of the curtain 1 along each of the top and bottom edges 3, 4, nearest the hinged edge 7 of a flight deck door, is not contained within the border 2. Each zone 6 allows the curtain 1 to partially flex enabling the curtain 1 to gather if drawn back into its open position.
Figure 2 shows the curtain 1 mounted at its top edge 3 to a flight deck door 14. The top and bottom borders 2', 2'' of the curtain 1 are mounted to the flight deck door 14 by containment within channels 9 (only top one shown) which are themselves mounted to the top and bottom edges of the flight deck door 14.
Figure 3 shows the back edge of the curtain 1 which is fixed directly to the hinged edge 7 of the Elight deck door or the flight deck door frame (not shown) by means of a strip 8 and fixings 13 which are all formed from a composite material or aluminium, conversant with aviation regulations. The channels 9 in which the top and bottom borders 2', 2" of the curtain 1 are mounted, are approximately equal in length to the length of the borders 2'2"which contain the top and bottom edges 3, 4 of the curtain 1. The zones 6 at the top and bottom of the flight deck door 14 nearest the hinged edge 7 thereof have no channel, thus ensuring that the curtain 1 can be gathered in folds when slid into its open position, as shown.
Figures 4A and 4B show another embodiment of security system wherein channels 19 which are
<Desc/Clms Page number 9>
mounted to the top and bottom edges of the flight deck door 14, are T-shaped in cross-section, such that an associated T-shaped curtain border 22 is slldable along the channel 19, thus ensuring that the curtain 1 is secure against any attempted, forced, detachment therefrom.
Figure 5 shows the leading edge 5 of the curtain 1 which is provided with the handle 17 enabling it to be slid past the corresponding edge 16 of the fight deck door 14, into its closed position, when desired. Securing means, indicated diagrammatically at 18, is associated with the border 2 and the leading edge 5 of the curtain 1, such that the curtain 1, when slid into its closed position, will engage complementary securing means, indicated diagrammatically at 20, positioned within a vertical channel 11 on or in the door frame on one side thereof and inside a flight deck. The curtain 1, once in its closed position, is locked securely in place, rendering it immovable and thus inoperable from the other side of the flight deck door 14.
Figure 6 shows the extent 16 of an existing flight deck door 14 in relation to the open edge of an associated vertical channel 11 which is of sufficient depth to ensure that the leading edge 5 of the curtain 1, once slid into place, is positioned beyond the edge 16 of the flight deck door 14, such that it is inaccessible from outside the flight deck. The securing means 18 associated with the leading edge 5 of the curtain 1 is locked
<Desc/Clms Page number 10>
into place with the complementary securing means 20 in the vertical channel 11.
In this embodiment, the invention can be coupled with a security camera which would allow the pilots to view who was behind a flight deck door prior to it being unlocked and opened.
To open the flight deck door 14, the complementary securing means 18, 20 are released and the leading edge 5 is slid from the vertical channel 11 towards the hinged end 7 of the flight deck door 14. The zone 6 of curtain 1 with no border enables the curtain 1 to be drawn back and gathered 12, as shown on Figure 3, as the curtain 1 slides from the horizontal channel 11 and along the top and bottom channels 9. The curtain 1 is slid back at least in line with the leading edge 16 of the flight deck door 14 which is now openable.

Claims (20)

1. A security system comprising a ballistic screen (as herein defined) which is movable reciprocably between respective open and closed positions across an opening (as herein defined) to permit or prevent access therethrough and securing means which is associated with the ballistic screen, which is engagable with complementary securing means associated with one side of the opening and which, when so engaged, secures the screen in its closed position across the opening and is inaccessible from the other side of the opening.
2. A system according to claim 1, wherein the ballistic screen comprises a ballistic shielding material.
3. A system according to claim 2, wherein the ballistic screen has a durable cover.
4. A system according to claim 3, wherein the durable cover comprises a plastics material.
5. A system according to any preceding claim, wherein the ballistic screen is mounted to an area, such as a wall, surrounding the opening.
6. A system according to any of claims 1 to 4, wherein the ballistic screen is mounted to an openable closure, such as a door, for the opening.
<Desc/Clms Page number 12>
7. A system according to any preceding claim, wherein the ballistic screen is rigid, semi-rigid or flexible.
8. A system according to any preceding claim, wherein the ballistic screen is slidingly or pivotally, for example hingedly, movable between its open and closed positions across the opening.
9. A system according to any preceding claim, wherein the ballistic screen comprises a curtain which is contained along three of its edges, namely the leading or free, top and bottom edges thereof, within a hard plastics, aluminium, composite or other suitable material border.
10. A system according to claim 9, wherein the border is mounted to the corresponding edge regions of a closure for the opening, such that the screen is movable with the closure.
11. A system according to claim 9 or 10, wherein a zone on the top and bottom edges of the curtain nearest the hinged edge of the closure for the opening is not contained within the border, thereby allowing the curtain to partially flex and to gather if drawn back into its open position.
12. A system according any preceding claim, wherein the ballistic screen, when mounted to the closure for the opening along its top and bottom edges, is somounted by means of channels which are mounted on the
<Desc/Clms Page number 13>
top and bottom of the closure and along which any associated borders can slide, with the back edge of the screen being fixed directly to the closure or the area surrounding the opening by a strip or other suitable fixing.
13. A system according to claim 12, wherein the channels which are mounted on the top and bottom edges of the door, are T-shaped in cross-section, such that an associated T-shaped curtain border can be slid through the channel, thus ensuring the curtain is secure against any attempted forced detachment.
14. A system according to any preceding claim, wherein said securing means associated with the ballistic screen, when engaged with the complementary securing means on one side of the opening, ensures that the screen can be locked securely in place in its closed position, rendering it immovable and thus inoperable from the other side of the opening.
15. A system according to claim 14, wherein the leading edge of the screen is arranged to slide past the corresponding edge of the closure for the opening, into its closed position.
16. A system according to any preceding claim, wherein, when said securing means is associated with the leading edge of the screen, a lock and a channel, into which the leading edge of the screen can be slid, on or in an outer frame of the opening, is positioned
<Desc/Clms Page number 14>
beyond the edge of the closure, such that it 1S inaccessible from the other side of the opening.
17. A system according to any preceding claim, wherein, when the closure for the opening is to be opened, said complementary securing means can be disengaged on the one side of the opening and the leading edge of the screen slid back towards the hinged edge of the closure.
18. A security system substantially as hereinbefore described with reference to the accompanying drawings.
19. In combination, a security system according to any preceding claim and the door of a flight deck.
20. A combination according to claim 19 coupled with a security camera to allow the area outside the flight deck to be viewed, thereby monitoring who is allowed access to the flight deck, thereby increasing security.
GB0126048A 2001-10-31 2001-10-31 Security system for a flight deck door Withdrawn GB2381551A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0126048A GB2381551A (en) 2001-10-31 2001-10-31 Security system for a flight deck door
PCT/GB2002/004920 WO2003038224A1 (en) 2001-10-31 2002-10-30 Security system comprising a ballistic screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0126048A GB2381551A (en) 2001-10-31 2001-10-31 Security system for a flight deck door

Publications (2)

Publication Number Publication Date
GB0126048D0 GB0126048D0 (en) 2001-12-19
GB2381551A true GB2381551A (en) 2003-05-07

Family

ID=9924807

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0126048A Withdrawn GB2381551A (en) 2001-10-31 2001-10-31 Security system for a flight deck door

Country Status (2)

Country Link
GB (1) GB2381551A (en)
WO (1) WO2003038224A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2873980A1 (en) * 2004-08-03 2006-02-10 Airbus Sas Door for aircraft e.g. long-range airliner, has inner structure reinforced by frame having straps that stuck on structure and made up of carbon fibers, where straps are disposed on structure and connected to form net
WO2006024727A1 (en) * 2004-08-03 2006-03-09 Airbus Reinforced door
US7578477B2 (en) 2004-08-03 2009-08-25 Airbus Internal security door for an aircraft

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009051436B4 (en) * 2009-10-30 2015-07-16 Rheinmetall Landsysteme Gmbh Protection system for vehicles and other objects
WO2021202593A1 (en) * 2020-03-30 2021-10-07 Safewood Designs, Inc. Ballistic resistant wall structures

Citations (4)

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Publication number Priority date Publication date Assignee Title
CH664408A5 (en) * 1983-05-02 1988-02-29 Konrad Knoepfel Bullet proof door and wall - comprises sandwich construction with rebated edges with overlapping armour plate or glass
US5195448A (en) * 1991-12-02 1993-03-23 Sims Allen G Security system
GB2354991A (en) * 1999-10-06 2001-04-11 Azeem Sami Ahmed Abdel Aircraft with security means for preventing skyjack
WO2002048971A2 (en) * 2000-12-12 2002-06-20 Koninklijke Philips Electronics N.V. Apparatus and methods for resolution of entry/exit conflicts for security monitoring systems

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GB482348A (en) * 1936-09-26 1938-03-28 Stanley Laurence Groom Improvements in or relating to screens for windows, doors or the like
BE759331A (en) * 1970-11-23 1971-05-24 Franki Robert AIRCRAFT ANTI-Hijacking Device
US3704845A (en) * 1971-01-14 1972-12-05 Michael Ord Airplane hijacking prevention system
US5811719A (en) * 1991-11-15 1998-09-22 Madden, Jr.; James R. Removable bullet resistant apparatus for vehicles
GB2264332B (en) * 1992-02-21 1996-05-15 Post Office Security barrier
US5662152A (en) * 1995-09-25 1997-09-02 Msa Aircraft Interior Products, Inc. Modular aircraft window unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH664408A5 (en) * 1983-05-02 1988-02-29 Konrad Knoepfel Bullet proof door and wall - comprises sandwich construction with rebated edges with overlapping armour plate or glass
US5195448A (en) * 1991-12-02 1993-03-23 Sims Allen G Security system
GB2354991A (en) * 1999-10-06 2001-04-11 Azeem Sami Ahmed Abdel Aircraft with security means for preventing skyjack
WO2002048971A2 (en) * 2000-12-12 2002-06-20 Koninklijke Philips Electronics N.V. Apparatus and methods for resolution of entry/exit conflicts for security monitoring systems

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2873980A1 (en) * 2004-08-03 2006-02-10 Airbus Sas Door for aircraft e.g. long-range airliner, has inner structure reinforced by frame having straps that stuck on structure and made up of carbon fibers, where straps are disposed on structure and connected to form net
WO2006024727A1 (en) * 2004-08-03 2006-03-09 Airbus Reinforced door
JP2008509039A (en) * 2004-08-03 2008-03-27 エアバス Internal security door in aircraft
US7578477B2 (en) 2004-08-03 2009-08-25 Airbus Internal security door for an aircraft
US7600716B2 (en) 2004-08-03 2009-10-13 Airbus Reinforced door
JP4809344B2 (en) * 2004-08-03 2011-11-09 エアバス Internal security door in aircraft

Also Published As

Publication number Publication date
WO2003038224A1 (en) 2003-05-08
GB0126048D0 (en) 2001-12-19

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