FCOM Chapter 1 General & Emergency Equipment

Question 1

What is the wingspan of the B737NG?

Answer 1

35m (FCOM 1.10.1 )

Note: Rounded down from 35.79m

Question 2

What is the length of the B737-800 fueselage?

Answer 2

39m (FCOM 1.10.2)

Note: Rounded down from 39.5m

Question 3

How much shorter is the 700’s fuseage (nose to tail) compared to the 800?

Answer 3

6m from nose to tail and 3m from noseweheel to main landing gear. (FCOM 1.10.1)

Question 4

What is the wingtip radius from the turning pivot (main landing gear) and why is this important?

Answer 4

23m, When turrning, everything will stay within the wing radius, so this should ensure safe clearence between objects and prevent collision.
(FCOM 1.10.1)

Note: When turning left, the left MLG is the pivot point. The distance is measured from the wing on the opposite side of the direction of turn eg if turning left, the right wing will be the determining distance.

Question 5

Is there a switch in the cabin that can activate the emergency exit lights?

Answer 5

Yes, its located on the Aft Attendant Panel. (FCOM 1.30.9 & 1.40.4 )

Note: Control from this panel is available in the event of a failure of the automatic control.

Question 6

How many Emergency Exit light switches are there and where are they located?

Answer 6

Two. One in the flight deck on the FWD Overhead panel and one located in the rear of the aircraft on the AFT Attendant Panel. (FCOM 1.40.4)

Question 7

What happens when the Capt places the “Master Light Test/Dim” switch in the “TEST” position?

Answer 7

All system lights on the OVERHEAD PANEL, inlcuding some lights on the instrument panel will illuminate bright, as well as the the Master Caution recall and any stored faults will the associated light will remain illuminated when the switch is released. (FCOM 1.30.4 & Bulletin NAU-2)

Question 8

How many wheel well lights are there and where are they located?

Answer 8

Three. One in the nose gear and two in the main wheel well. (FCOM 1.40.2

Question 9

With the Emergency Exit light switch positioned in the “armed mode” (Note: Guard closed positon), when will the Emergency Exit lights illuminate?

Answer 9

All emergency exit lights will automatically illuminate if the airplane electrical power to DC bus 1 fails OR AC power is lost/turned off. (FCOM 1.40.4 )

Question 10

What are the “Emergency Exit lights”?

Answer 10

1. Slide lighting
   2.Illuminated Exit location signs (not the actual exits)
2. Emergency Exit lights (actual exits)
3. Photoluminescent strip lighting
4. Aisle lighting
   6.Exterior Emergency Exit lighting

(FCOM 1.40.14)

Question 11

Where is the Pressure indicator for the flight crew oxygen located and what is required to display it?

Answer 11

On the aft overhead panel when the battery switch is ON the crew oxygen will be displayed. (FCOM 1.40.19)

Question 12

What are the tolerances for Crew Oxygen pressure?

Answer 12

Minumum: 500-700 psi (1250 if plannig to leave Australia)
Maximum: 1850 Psi

(FPPM Vol 3B 2.2.15) & (Vol 6A) & FCOM Vol2: 1.40.19)

Question 13

What does a yellow cross on the crew oxygen panel indicate?

Answer 13

When oxygen is flowing, indicates a colored cross. (FCOM 1.30.18 & 1.40.19)

Question 14

Passenger Oxygen System: How many pxygen masks are provided per PSU (Passenger Service Unit)

Answer 14

Four (FCOM 1.40.26)

Note: An oxygen source with two masks is located above each attendant station and in each lavatory.

Question 15

How are the PSU’s dropped from PSU container?

Answer 15

1. Automatically by a pressure switch at a cabin altitude of 14,000 feet, or
2. When the Passenger Oxygen Switch on the aft overhead panel is positioned to ON.
3. Hard landing
   (FCOM 1.40.26)

Note: If the passenger oxygen is activated and a PSU oxygen mask compartment does not open, the masks may be dropped manually.

Question 16

When will the oxygen commence flowing to the PSU’s and how can you tell if oxygen in flowing?

Answer 16

The oxygen source is activated when any mask in the unit is pulled down. Pulling
one mask down causes all masks in that unit to come down and 100% oxygen
flows to all masks. A green in�line flow indicator is visible in the transparent
oxygen hose whenever oxygen is flowing to the mask. (FCOM 1.40.26)

Note: RELEASE FIRING PIN mut be pulled manually to activate oxygen flow.

Question 17

How long will oxygen flow to the PSU’s and how is it shut off?

Answer 17

Approximately 12 minutes and cannot be shut off. (FCOM 1.40.26)

Question 18

What is a potential threat when activating PSU oxygen flow?

Answer 18

Below FL140, if there are any heat sources present, there is a potential for a fire to start.

(FCOM 1.40.27)

Question 19

What is the maximum wind speed doors and windows ma be operated?

Answer 19

Operations max: 40 kts
Open door max: 65kts

(FCOM 1.40.39)

Question 20

Will the flight deck door resist gunshots?

Answer 20

Yes, the door meets requirements for resistance to ballistic penetration and intruder entrance

(FCOM 1.40.39)

Question 21

What does a RED light on the Flight Deck door access system indicate?

Answer 21

The door is locked. (FCOM 1.40.39)

Question 22

What does a GREEN light on the Flight Deck door access system indicate?

Answer 22

The door is Unlocked. (FCOM 1.40.39)

Question 23

What does an AMBER light on the Flight Deck door access systemand, A flight deck chime and illumination of the amber AUTO UNLK indicate?

Answer 23

Light indicates the correct emergency access code has been entered and the door is
programmed to unlock after a time delay. (FCOM 1.40.39)

Question 24

What does pressing �1� then �ENT� keys on the emergency access panel do?

Answer 24

Test the flight deck chime (if programmed). (FCOM 1.40.39)

Question 25

Which one of the cockpit windows can both be opened form in the inside and outside? What the difference between the two?

Answer 25

Only the first officer�s number two window can be opened from BOTH outside the
airplane and from the inside. (FCOM 1.40.40)

Question 26

What FAA category Class/standard are the cargo compartment ?

Answer 26

FAA category Class C . This means the compartments are designed to completely confine a fire without endangering the safety of the airplane or its occupants. (FCOM 1.40.41)

Note: The compartments are sealed and pressurized but do not have fresh air circulation and temperature control as do the upper passenger compartments.

Question 27

How many options is available for an emergency evacation?

Answer 27

Eight, however the Rear left and right doors on the B737-700 are not available during a ditching due to the clearence above water of the empanage available. (FCOM 1.40.42)

Question 28

What is the purpose of the ring on
the top surface of the wing. (Yellow attachment mechanism)

Answer 28

The Escape straps found above each emergency exit door frame can be attahced to this tethering point and be used as a hand hold in a ditching emergency for passengers to walk out on the wing and step into a life raft. (FCOM 1.40.4

Note: The escape doors must be opened to expose the straps.

Question 29

How are the overwing emergency exits locked?

Answer 29

A 28 Volt DC flight lock system is designed to ensure that the flight lock will automatically lock during takeoff, in-flight, and landing and unlock on the ground to allow for opening of the door
in emergency situations. Commands to lock and unlock are dependent upon engine speed, thrust lever position, air/ground mode status, and the open/closed status of the doors.

Question 30

Can the overwing emergency exit doors be opened from the outside?

Answer 30

Yes. (FCOM 1.40)

Question 31

When testing the oxygen mask in the cockpit, what does the little yellow cross indicate when tested?

Answer 31

Oxygen is flowing