Glx5 Air Systems

Front 1

What is the maximum relief differential pressure?

Back 1

10.73 psi

Front 2

Emergency descent (technique)

Back 2

CREW:
O2 masks........................DON & 100%
Crew Communications....ESTABLISH

CAPTAIN:
Alt Sel..............................Lower Altitude
FLC.................................Select
FMC/MAN Speed............MAN
Speed knob.....................Vmo
Thrust Levers..................Confirm Idle
Flt Spoiler Lever..............Deploy
(smoothly to FULL, then MAX)
Alt Sel..............................9,000 ft

CO-PILOT:
PASS OXYGEN..............OVERRIDE
PASS SIGNS..................ON
EMER LIGHTS...............ON

Front 3

With the Pack in Manual Mode what are the discharge limits?

Are there any other limitations when in Manual Mode?

Back 3

5 c to 60 c

The other Pack must be selected OFF

Front 4

What is the maximum negative relief differential?

Back 4

-0.5 psi

Front 5

What are the maximum taxi/takeoff and landing/touchdown differential limits?

Back 5

0.1 psi

1.0 psi

Front 6

What is the maximum altitude for AUX Press System?

Back 6

FL410

Front 7

What is the APU bleed limit?

Back 7

45 c

Front 8

What is the purpose of the AUX PRESS system?

Back 8

Alternate pressurization system if both packs are lost.

Front 9

How does the AUX PRESS system work?

Back 9

The switch sends a signal to the ACSC which commands the HASOV's partially CLOSED and the Trim Valves to Full OPEN.

Front 10

Emergency Descent Msg

Back 10

O2 Masks....................DON & 100%
Crew Communication..Establish
Passenger Oxygen.....OVERRIDE
PASS SIGNS..............ON
EMER LIGHTS...........ON
Flight Spoiler lever...Deploy FULL then MAX

Front 11

CABIN ALT msg

(Emergency Descent Procedure)

Back 11

O2 Masks......................DON & 100%
Crew Communication....Establish
Passenger Oxygen ......OVERRIDE
Pass Signs....................ON
EMER LIGHTS..............ON
DESCENT.....................Initiate to 9,000 ft
(or safest altitude)
Thrust Levers ...............IDLE
Flight Spoiler Lever.......Deploy FULL then MAX

Front 12

What is the function of the Ram Air system?

Back 12

- Cools bleed air to Packs

- An alternate air supply below 15,000 ft

Front 13

In AUTO mode, what range of temperatures does the Airconditioning system (ACSC) regulate between?

Back 13

15 - 35 c

Front 14

What happens when TRIM AIR is selected OFF?

Back 14

HASOV's and all Trim Valves close

Front 15

What is the purpose of the Avionics and Cockpit Ventilation system?

Back 15

To draw warm air from the back of the instrument panel and avionics areas below FL 300
(max 30 min. with failure on the ground with displays and avionics powered)

Front 16

What are the expected rates when HIGH or NORM is selected with the AUTO RATE switch?

Back 16

NORM - 500 climb & 300 ft/min descent

HIGH - 800 ft/min descent

Front 17

When does the CABIN ALT Caution normally come ON?

When does the CABIN ALT Warning normally come ON?

Back 17

8,200 ft

9,000 ft

Front 18

Is there a cabin altitude limit when the EMERG DEPRESS may be selected?

Back 18

Yes, 14,000 ft +/- 500 ft

Front 19

What does the DITCHING Switch do?

Back 19

Packs - Shut OFF
Cabin Depressurizes
Out Flow Valves CLOSE

Front 20

When does the Safety Valve OPEN?

Back 20

10.63 +/- 0.1 psi

Front 21

Below what altitude is the RAM AIR designed to operate?

Back 21

<15,000 ft

(Inhibited >15,000 ft)

Front 22

During Manual Temperature operation, what is the acceptable range of temperatures that should be maintained?

Back 22

5 c - 60 c

Front 23

Where is the Avionics & Cockpit Display ventilation exhaust?

Back 23

The rear of the Underfloor Avionics through the FWD Outflow Valve

Front 24

Below what altitude is the Ditching function operate?

Back 24

15,000 ft.

Front 25

Below what altitude will the EMERG DEPRESS work?

Back 25

15,000 ft.

Front 26

What is the normal differential pressure (PSI)?

Back 26

10.33 psi