Boeing 737 - Aft Overhead Panel

Question 1

Answer 1

Landing Gear Lights

• Lit Green When down and Locked

Question 2

Answer 2

IRS Display Unit

• Part of the Overall Flight Management System shows planes Position, Pitch and Roll
• TEST
• True Track
• Present Position
• True Heading
• System Status Code
• Left or Right IRS

Question 3

Answer 3

IRS Mode Selector

• GPS Sensor Light (When a Problem arrises)
• Mode Selectors
• IRS Status Lights
• IRS Modes
• OFF, Align, NAV, ATT x 2

Question 4

Answer 4

Mach Airspeed Warning Test

• 2 buttons to test warning sounds in cockpit

Question 5

Answer 5

Audio Control Panel

• Allows Pilot to change Audio Control setup
• TOP ROW - VHF 1,2,3, HF (High Frequency, FLT (flight interphone), SVC - Service Interphone, PA - Passenger annoncement system
• 2nd ROW - Radio Navigation, NAV 1&2, ADF 1&2, MKR 1&2
• Push to talk switch or Intercom, Microphone selector, Filter Switch, Radio Normal or Alternate Mode

Question 6

Answer 6

Oxygen Panel

• Available Oxygen to Pilots
• PassOxygen detects drop in Oxygen and drops mask

Question 7

Answer 7

Stall Warning Test

• Activates stick shaker
• System Activates when stall is imminent

Question 8

Answer 8

Service Interphone

• Allows Pilot to communicate with Ground crew

Question 9

Answer 9

Leading Edge Devices (LE)

• Shows Deployment of Flaps and Slats along each side of the wing
• Different Parts light up, Yellow deploying, Green when in position

Question 10

Answer 10

Dome White (Light)

• Illuminates the whole cockpit

Question 11

Answer 11

Engine Control Panel

• Reversal Lights (Fault lights)
• EEC - Electronic Engine controls - regulate engines with Fault Lights

Question 12

Answer 12

Flight Data Recorder Switch

• ​Records data from aircraft
• Active when in flight or with at least 1 Engine running

Question 13

Answer 13

PSEU (Proximity Switch Electronic Unit)

• Fault Lights
• Checks position of moving Parts