Airplane General

Question 1

Turning radius of 800/900.

Answer 1

800: wing tip radius 23m, Minimum width of pavement for 180° turn: 79.7 Feet (24.3 Meters).
900: tail radius (limiting) 23.9m, Minimum width of pavement for 180° turn: 86.4 Feet (26.3 Meters).
(FCOM 1.10.6)

Question 2

Where it is possible to illuminate all the emergency exit light, except from the flight deck?

Answer 2

There is a guarded switch in the AFT ATTENDANT PANEL that bypasses the switch in the flight deck.
(FCOM 1.30.11)

Question 3

What ELT light means?

Answer 3

ELT has been activated.

FCOM 1.30.12

Question 4

What Passenger Oxygen On Light means?

Answer 4

Illuminated (amber) – passenger oxygen system is operating and masks have dropped.
(FCOM 1.30.21)

Question 5

What is the role of the red round button on the oxygen mask?

Answer 5

Normal (non-emergency) position - supplies air/oxygen mixture or 100% oxygen on demand, depending upon the position of the Normal/100% switch. Automatically supplies 100% oxygen under positive pressure when cabin altitude is above a preset value.

EMERGENCY position (rotate in the direction of the arrow) - supplies 100% oxygen under positive pressure at all cabin altitudes (protects against smoke and harmful vapors). Use to purge contaminants from mask and to remove condensation or fogging from interior of mask lens.
(FCOM 1.30.27)

Question 6

Under which conditions the the emergency exit lights are illuminated?

Answer 6

With the switch in the ARMED position, the emergency exit lights are normally extinguished. If electrical power to DC bus No. 1 fails or if AC power has been turned off, the emergency exit lights illuminate automatically.
(FCOM 1.40.6)

Question 7

How much time the oxygen flows from the passenger oxygen masks? Can it be shut off?

Answer 7

The oxygen flows for 12 min. And cannot be shut off.

FCOM 1.40.36

Question 8

What is the capacity of the portable oxygen cylinders?

What is the flow rate?

Answer 8

Capacity: sandor A/C (I, M ,R, U): 120L;
Rest of the fleet: 311L.
Rate: one regulator 2L/min, one regulator 4L/min.
(FCOM 1.40.37)

Question 9

What are the wind limitations related to opening the A/C doors?

Answer 9

Do not operate the entry or cargo doors with winds at the door of more than 40 knots. Do not keep doors open when wind gusts are more than 65 knots.
(FCOM 1.40.55)

Question 10

Over wing emergency exits: can it be open from the outside? What is the opening direction (inward/outward)?

Answer 10

The exits can be opened both from the inside or outside.
Opening direction is outward.
It has a flight lock that depends on engine speed, thrust lever position, air/ground mode status, and the open/closed status of the doors.
(FCOM 1.40.63)

Question 11

What is the logic of the isolation valve switch in Auto position?

Answer 11

1. Closes isolation valve if both engine BLEED air switches are ON and both air conditioning PACK switches are AUTO or HIGH;
2. Opens isolation valve automatically if either engine BLEED air or air conditioning PACK switch positioned OFF.
   (FCOM 2.10.1)