Lights and Switches

Question 1

When is rain repellent inhibited?

Answer 1

On the ground with the engines off

Question 2

How long will the MECH button sound for outside when pressed?

Answer 2

As long as you hold it

Question 3

How does an EMER cabin call sound to the FA’s?

Answer 3

Three high low chimes sound, message on AIP, pink lights flash at all FA call panels

Question 4

How does an EMER call to the Cockpit sound?

Answer 4

Three long buzzers sound in the cockpit

Question 5

What does it mean if you see SYS ON on the Pass Oxygen button?

Answer 5

A signal has been sent to open the passenger oxygen doors. It can only be reset through the oxy timer reset on the MX panel.

Question 6

When will passenger oxygen Masks drop automatically?

Answer 6

When cabin altitude exceeds 14,000’

Question 7

When can the CVR be reset?

Answer 7

On the ground, when held for more than 2 seconds with the parking brake set

Question 8

What does GND CTL do?

Answer 8

Turns on the CVR and DFDR since power is only supplied for the first 5 mins after applying power to the aircraft. Goes out after first engine start.

Question 9

On the GPWS Panel what does a fault light in the TERR pushbutton indicate (furthest left on the panel)

Answer 9

Predictive modes have failed. Basic modes are still available

Question 10

On the GPWS Panel what does a fault light indicate on the SYS button? (2nd from the left)

Answer 10

Basic modes of the GPWS have failed

Question 11

When would you use the FLAP MODE button on the GPWS panel?

Answer 11

To inhibit nuisance messages when landing with other than landing flaps

Question 12

Explain the OFF position and what an amber smoke light would mean on the GEN 1 LINE button on the EMER ELEC PWR panel

Answer 12

OFF - disconnects Gen 1 from the electrical system except for 1 fuel pump in each wing

SMOKE: Smoke is detected in the avionics ventilation system. Will stay illuminated even when turned off as long as smoke is present

Question 13

What does a RED fault light mean on the RAT and EMER GEN button?

Answer 13

AC Bus 1 and AC Bus 2 have lost power and the emergency generator is not supplying power

Question 14

When will the RAT automatically extend? How long does it take to come online?

Answer 14

AC Bus 1 and 2 have lost power and aircraft speed is over 100 knots.

8 seconds

Question 15

When you press the COMMAND button on the EVAC panel what happens?

Answer 15

EVAC tone sounds in the cabin and EVAC lights flash on AIP.

Question 16

With the EVAC switch set to CAPT (SOP for Frontier), and a FA commands an evac from their panel, what happens?

Answer 16

The evac tone only sounds in the cockpit for 3 seconds

Question 17

What do FAULT lights in the ELAC, SEC, and FAC buttons mean?

Answer 17

The associated flight computer has detected a fault or failure

Question 18

What is an ELAC? How many are there?

Answer 18

Elevator and Aileron Computer (2)

Normal Pitch and Roll
Alternate Pitch
Direct Pitch and Roll
Abnormal Attitude
Aileron Droop
Autopilot Acquisition of Orders

NADAAA

Question 19

What is a SEC? How many are there?

Answer 19

Spoiler and Elevator Computer (3)

Normal Roll via the Spoilers
Alternate Pitch
Direct Pitch and Roll
Abnormal Attitude
Speed brakes and Spoilers

NADAS

Question 20

What is a FAC? How many are there?

Answer 20

Flight Augmentation Computer (2)

Coordinates turns and dampens dutch roll
Rudder Trim
Rudder Travel Limiter
Alternate Yaw

CRRA

Question 21

Fault light in an ADR button

Answer 21

There is a fault with the associated Air Data Computer

Question 22

Fault light in an IR button

Answer 22

Steady - the respective IR is lost
Flashing - attitude and heading may be recovered in ATT mode

Question 23

If you select an ADIRU switch to ATT, what happens?

Answer 23

IR mode supplying only attitude and heading info. Heading must be entered through the MCDU every 10 mins

Question 24

What happens if an ADIRU is ON and only on battery power?

Answer 24

An external horn sounds, lights illuminate on the external power panel