2.20.3 Airstairf

Question 1

The normal time for airstair
extension or retraction is approximately 35 seconds. The extension and retraction cycles using the standby system
is approximately twice that time but should not normally exceed ______.

Answer 1

60 seconds ± 2 seconds

Question 2

Warning regarding falling from the airstair platform

Answer 2

Use care not to fall from the airstair platform when operating the forward
entry door. The small platform area and bad weather may make the door
difficult to operate
-From ‘A1-P8AAA-NFM-000,’ page 360

Question 3

What does a white STAIR OPER light mean?

Answer 3

A white STAIR OPER light on the panel

illuminates when the airstair is in transit.
-From ‘A1-P8AAA-NFM-000,’ page 360

Question 4

With the switch in the AUTO position, the tread lights illuminate
when

Answer 4

With the switch in the AUTO position, the tread lights illuminate
when the airstair makes contact with the ground and extinguish when the airstair retracts.
-From ‘A1-P8AAA-NFM-000,’ page 361

Question 5

What are the two modes of operation for the airstair?

Answer 5

Normal and standby

Question 6

What is the standby mode of operation for the airstair for?

Answer 6

The standby system provides an alternate means of electrical

control in the event the normal mode of operation is not available.
-From ‘A1-P8AAA-NFM-000,’ page 361

Question 7

Normal operation requires ____ whereas standby operation requires ___________
-From ‘A1-P8AAA-NFM-000,’ page 361

Answer 7

Normal operation requires 115 Vac whereas

standby operation requires the battery switch to be ON
-From ‘A1-P8AAA-NFM-000,’ page 361

Question 8

Both operating modes require for the airstair require

Answer 8

Both operating modes require the forward entry door to

be partially open
-From ‘A1-P8AAA-NFM-000,’ page 361

Question 9

Caution regarding use of the standby control switch for the airstair

Answer 9

Use of the standby control switch bypasses all safety circuits. The airstair
handrail extensions must be stowed or substantial damage could result.
-From ‘A1-P8AAA-NFM-000,’ page 361

Question 10

Caution regarding use of the maintenance switch located under the airstair.

Answer 10

Caution must be exercised when using themaintenance switch located under
the airstair. If the upper handrail extensions are not properly stowed before
retraction, damage to the aircraft structure or damage to the airstair handrail
may result
-From ‘A1-P8AAA-NFM-000,’ page 361

Question 11

Caution regarding latch pins on the airstair

Answer 11

Make sure the latch pins fully engage or the extensions may move during
airstair operation and cause damage
-From ‘A1-P8AAA-NFM-000,’ page 362

Question 12

Warning regarding opening the door beyond cocked position while operating airstair a

Answer 12

Open entry door to cocked (slightly ajar) position to allow clear visibility
of area outside aircraft to prevent injury to personnel. Do not open
door beyond cocked position while operating airstairs.
-From ‘A1-P8AAA-NFM-000,’ page 363

Question 13

Warning regarding operation of door in high winds

Answer 13

Do not operate the door in winds more than 40 knots. Do not let the
door stay open in winds more than 65 knots. Injuries to persons or
damage to equipment may occur.
-From ‘A1-P8AAA-NFM-000,’ page 363

Question 14

Caution regarding stowage of handrail extensions

Answer 14

Make sure the handrail extensions are securely stowed before
operating the airstairs. Failure to secure the handrail extensions
before operating the system will damage the system.
-From ‘A1-P8AAA-NFM-000,’ page 363

Question 15

Caution regarding moving the aircraft with airstairs extended

Answer 15

Do not move aircraft with the airstairs extended. Damage to airstair
may occur
-From ‘A1-P8AAA-NFM-000,’ page 363

Question 16

Note regarding electrical power to the interior airstair control

Answer 16

Electrical power is not supplied to the interior airstair control if the
forward entry door handle is not rotated to OPEN
-From ‘A1-P8AAA-NFM-000,’ page 363

Question 17

Caution regarding depressing the STAIR OPER switch in conjunction with the EXTEND or RETRACT switch

Answer 17

Do not depress the STAIR OPER switch in conjunction with the
EXTEND or RETRACT switch. Depressing the STAIR OPER switch
may cause the airstair motor to operate at a higher rate and potentially
damage the airstair.
-From ‘A1-P8AAA-NFM-000,’ page 364

Question 18

The normal time for airstair

extension or retraction is approximately ___ seconds
-From ‘A1-P8AAA-NFM-000,’ page 360

Answer 18

35 seconds