AREA
Flight Compartment Arrangement (Example)
Figure 1

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
 FLIGHT COMPARTMENT SEATS - DESCRIPTION AND OPERATION
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General
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 A.  The flight compartment seating accommodations provides for a captain's, first officer's and two observer's seats. All seats are provided with seat belts and manually actuated control handles for mechanically operated seat adjustments.
 B.  The captain's and first officer's seats are also provided with toggle switches for electrically powered operation of the horizontal and vertical seat adjustments.
 C.  This procedure has these tasks:
 (1)
Pilots seats

 (2)
Observers' seats

 (3) Operation.Pilots' Seats (Fig. 1)
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 A.  Both the captain's and first officer's seats are mounted on seat tracks to permit forward and aft seat travel. The aft ends of the seat tracks are curved outboard so that during the last few inches of aft travel the seats move outboard to provide easement of pilot ingress and egress.
 B.  Each seat is fitted with four bogie roller swivel assemblies which retain the seat base to the seat tracks and also prevent lateral movement of the seat. The roller swivels located within each bogie assembly assist in the freedom of movement of the seat during fore and aft seat travel.
 C.  Each seat contains manually operated controls for horizontal and vertical adjustments, thigh support pad adjustment, seat back recline and lumbar support adjustments.
 D.  In addition, each seat contains two power adjustment control switches for electrically powered operation of the horizontal and vertical seat adjustments.
 E.  Both seats are also provided with adjustable arm rests, manual/automatic inertia reel shoulder harness, lap straps with rotary buckle and crotch strap, and lifejacket stowage.
Observers' Seats (Fig. 2)
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 A.  The first observer seat is mounted on the flight compartment floor on the right side of the compartment and is capable of horizontal, lateral and vertical adjustments.
 B.  The first observer seat contains manually operated controls for horizontal, lateral and vertical adjustments, seat back recline adjustment and lumbar support adjustments.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
SHOULDER HARNESS
SEAT BACK CUSHION
ADJUSTABLE ARMREST
LAP STRAPS ANDLIFE JACKET ROTORY BUCKLESTOWAGE SEAT BOTTOMHANDWHEEL FOR SEATBACK CUSHIONLUMBAR SUPPORT IN/OUT ADJUSTMENT
CONTROL LEVER HANDWHEEL FOR
FOR INERTIA THIGH PAD SUPPORT
REEL LOCK ADJUSTMENT
BOGIE UNIT  CONTROL LEVER FOR 
(4 LOCATIONS)  MANUAL FORWARD AND 
AFT ADJUSTMENT 

CAPTAIN'S SEAT - RIGHT VIEW SHOWN
FIRST OFFICER'S SEAT - OPPOSITE

HANDWHEEL FOR SEATBACK 
LUMBAR SUPPORT 
UP/DOWN ADJUSTMENT 
CONTROL LEVER 
FOR MANUAL 
VERTICAL ADJUSTMENT  CONTROL LEVER FOR 
SEAT BACK RECLINE 
ADJUSTMENT 

CAPTAIN'S SEAT - LEFT VIEW SHOWN
FIRST OFFICER'S SEAT - OPPOSITE

Pilots' Seats
Figure 1

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
SHOULDER
HARNESS

SEAT BACK
CUSHION
ADJUSTABLE
ARMREST
　
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