AIRPLANE GENERAL
Sep 13/2004 Flight Crew Operating Manual Volume 2
REV 1 CSP 100-6 01-05-01
PASSENGER DOOR
DESCRIPTION
The passenger door is located on the left side of the aircraft in the forward section of the fuselage and is the primary entry
and exit for the aircraft. The passenger door is attached to the fuselage by a goose-neck hinge at the centerline of the door.
The door opens out and downward. When closed and locked, the door becomes an airtight plug to prevent loss of pressurization
in the fuselage.
COMPONENTS AND OPERATION
The passenger door consists of an integral airstair, stairway lighting, folding handrail, actuator assembly, two telescopic
support struts, door lock mechanism, inside door lever, and an outside door handle. When the passenger door is open, the
top step of the integral airstair is one step below the cabin floor level.
The passenger door is normally closed electrically using an inside or outside switch. The door can be opened or closed manually.
DOOR SEAL
SUPPORT
STRUT
AIRSTAIR
SUPPORT
STRUT
HANDRAIL
CFO0105002_012
(INSIDE)
DOOR LEVER
(OUTSIDE)
SWITCH
PASSENGER
DOOR
(OUTSIDE)
DOOR HANDLE
(INSIDE)
SWITCH
REV 1
AIRPLANE GENERAL
Volume 2 Flight Crew Operating Manual Sep 13/2004
01-05-02 CSP 100-6 REV 1
PASSENGER DOOR (Cont)
DOOR ACTUATOR ASSEMBLY
The door actuator assembly consists of an electric motor, inside and outside switch, lifting cable, pulley, and a hand-operated
cable. Normal operation of the door is accomplished by the electric motor using the push button switches. In the event
of loss of power to the motor, the door can be operated manually with the use of the inside lever, outside handle, and the
hand-operated cable.
HANDRAIL
A two-part folding handrail is installed on the aft side of the passenger door. As the door opens, the handrail unfolds parallel
to the airstair. A nylon stabilizer is mounted between the base of the handrail and the airstair to prevent unwanted movement
of the handrail. As the door closes, the handrail folds at the hinge point.
DOOR SEAL
A flexible blade-type door seal constructed of silicone rubber and fabric is installed in the frame channel in the fuselage.
An airtight seal is formed when the passenger door is closed and latched. The door seal prevents a rapid decrease of cabin
pressure if any part of the seal becomes unserviceable. The door seal also keeps water out of the fuselage if ditching occurs.FO0105002_007
PULLEY
DOOR
ACTUATOR
HAND-OPERATED
CABLE ASSEMBLY
LIFTING CABLE
HANDRAIL
STABILIZER
HINGE
POINT
HANDRAIL
DOOR
SEAL
(OUTSIDE)
SWITCH PANEL
(INSIDE)
SWITCH
1
AIRPLANE GENERAL
Sep 13/2004 Flight Crew Operating Manual Volume 2
REV 1 CSP 100-6 01-05-03
PASSENGER DOOR (Cont)
NORMAL OPERATION
To open the passenger door from the ground, use the outside handle in the center of the door. To operate the handle, push
the spring-loaded finger-flap inward and pull the handle out of the recess in the door. Continue to lift the handle upwards
until the handle stops, (approximately 110° travel). As the handle is lifted upwards, the vent flap in the door opens to equalize
cabin pressure. At the end of the handle travel, the latch mechanism disengages the door locks allowing the door to open
by gravity. As the door opens downward, the actuator assembly functions as an inertia-reel to allow the door to open slowly.
To close the passenger door from the ground, open the door-switch access panel forward of the passenger door and push
the switch to activate the actuator motor. The lifting cable attached to the door wraps into the actuator housing to close the
passenger door. As the door closes, a vent flap in the handle closes to seal cabin pressure. Pull the external door handle
downward and into the stowed position in the recess in the door. The door then can be locked with a key on the outside
handle.
To open the passenger door from inside the aircraft, rotate the inside handle to the full up position, (approximately 100°
travel). The door locks disengage and allow the door to open by gravity. When the door is unlocked, a red flag indicator
shows through a window in the handle. To close the passenger door from inside the aircraft, push the switch located on the
bulkhead forward of the door. The switch must be held in at least 7 seconds before the electrically driven motor begins to
raise the door into the closed position. To lock the door, rotate the inside lever downward until it stops (approximately 100°
　
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