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COCKPIT SEATS - DESCRIPTION AND OPERATION
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1. General
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The cockpit is equipped with four seats :
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a Captain seat
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a First Officer seat
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a Third Occupant seat located against the right aft panel.
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a folding seat for the Fourth Occupant located in the cockpit left aft section.
A.
Captain and First Officer Seats The Captain and First Officer seats are symmetrical and have the same function.
B.
Third Occupant Seat The Third Occupant seat is a folding seat attached to the right rear panel in the cockpit.
C.
Fourth Occupant Seat The Fourth Occupant seat is of the folding type and has no adjustment.
2. Component Location
__________________ R (Ref. Fig. 001) (Ref. Fig. 001)
A. Captain and First Officer Seats The Captain and First Officer seats are equidistant from the aircraft centerline: Y +/- 530 mm (Y +/- 20.88 in.) The base of the seats is attached to the floor by means of eight hexagonal head screws.
B. Third Occupant Seat The Third Occupant seat stands apart from the aircraft centerline: Y -86 mm (Y -3.39 in.) but can move to Y -35 mm (Y - 1.38 in.).
C. Fourth Occupant Seat The Fourth Occupant seat forms an angle of 22.8 degrees with respect to the cockpit aft partition. The base of the seat is attached to the floor by means of four hexagonal head screws located inside the life vest compartment.
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Cockpit Seats - Component Location
Figure 001
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------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL| ZONE| ACCESS | ATA | | | | DOOR | REF.
------------------------------------------------------------------------------3MS SEAT-CAPTAIN 211 25-11-51 4MS SEAT-FIRST OFFICER 212 25-11-51 14MM SEAT-THIRD OCCUPANT 212 25-11-41 13MM SEAT-FOURTH OCCUPANT 212 25-11-42
3. Component Description_____________________
A. Captain and First Officer Seats
(1)
General The Captain and First Officer seats are secured to the cockpit floor. The seat moves longitudinally and vertically. In the rearmost position the seat moves sidewise towards the console, which increases the space between the pedestal and the seat and therefore enables passage of the seat occupant. This is the seat stowed position.
(2)
Description
(Ref. Fig. 002, 003)
(3)
Controls Manual controls are fitted to the seats. They serve to unlock the seat and allow to position it in different configurations. Electrical controls are also available. They consist of a motor coupled to two reduction gears. The motor is controlled by two three-position switches. The gear motor assembly is overriden by the manual controls. Additional manual controls are used to adjust the backrest and lumbar rest positions. All the controls are of easy access and enable the occupant to select the desired position.
(4)
Seat equipment The backrest incorporates a life vest fitted in a housing closed by means of two magnets. (Ref. Fig. 003) A lumbar rest adjustable in the vertical and horizontal directions enables adaptation of the seat to the occupant. It is possible to adjust the pedestal side armrest by means of a knurled knob located in the front. The armrest is hinged to the backrest. It is therefore possible to lift it vertically and stow it behind the backrest.
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R R Captain/First Officer Seat - Front View Figure 002
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R R Captain/First Officer Seat - Rear View Figure 003
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The sidestick armrest located on the outboard side of the seat is provided with two adjustment knobs. These knobs are used to adjust the height and the tilt angle of the side stick armrest so that the pilot can rest his arm in its optimum position with respect to the side stick controller. Two position indicators show the selected position. The armrest is fixed to the seat pan structure and is not affected by backrest movements. It can be folded back to a vertical position to enable easy access to the crew briefcase or console. The safety harness comprises five straps and an inertia reel. The inertia reel can be locked by a control lever located behind the seat on the right side. (Ref. Fig. 003) Four lamps which serve to light the floor are located under the Captain and First Officer seats (one under each corner of the seat pan). This lighting is controlled from the instrument panel. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM EQUIPMENT/FURNISHINGS 设备1(95)
