Oxygen

Question 1

How many fixed oxygen masks flight comp?

Answer 1

3

Question 2

311 litre location and number? How many masks?

Answer 2

1 FWD emergency cupboard
2 doghouse row 19C/D

3 masks on each

Question 3

121 litre bottle location and number? How many masks?

Answer 3

1 Doghouse row 19C/D
Two masks

Question 4

Where is PBE?

Answer 4

Co located with BCF

1 Flight deck bulkhead
1 FWD emergency equipment cupboard
2 Emergency Equipment doghouse 19A/B

Question 5

Flight crew oxygen supply?

Answer 5

4 minute descent from 25,000ft to 14,000ft then 116mins

Question 6

Passengers supplemental supply?

Answer 6

10% of pax for 4 min descent from 25,000ft to 14,000ft then 30mins

Question 7

Flight crew oxygen cylinder capacity?

Answer 7

1100 litres

Question 8

What is the green indicator disc on right side of aircraft nose?

Answer 8

To indicate if an over pressure has occurred if the green disc has been ejected

Question 9

Min dispatch pressure for fixed crew oxygen ?

Answer 9

1300psi

Question 10

What colour should the inline pressure indicator be?

Answer 10

Green when the pressure is correct
Red indicates pressure is too low

Question 11

Quick don Oxygen selections?

Answer 11

Norm: diluted ox and ambient air
100%: 100% oxygen
EMER: 100% oxygen with positive pressure

Question 12

Harness inflation buttons do what?

Answer 12

Press the set of buttons one on either dies of the mask to inflate the head harness with oxygen for ease when putting over head, once you release the buttons the harness deflates to secure the mask to the pilots head

Question 13

What are the 311 litre bottles used for?

Answer 13

Cabin depressurisation 2L/min

Question 14

Min dispatch for 311L

Answer 14

1600psi or per MEL

Question 15

121L used for?

Answer 15

First aid and supplemental use for FA 2
Hi 4L first aid
Low flow 2L supplemental

Question 16

121 L min dispatch

Answer 16

1600psi or per MEL

Question 17

PBE duration

Answer 17

Min 15minutes

Question 18

How to communicate with PBE on in flight deck?

Answer 18

Hand held mic and speaker

Question 19

Flight crew oxygen masks are provided with oxygen by…

Answer 19

An oxygen cylinder located in the aircraft nose

Question 20

The Protective Breathing Equipment (PBE) oxygen generator is activated by

Answer 20

Pulling forward on the side straps

Question 21

With a flight deck oxygen mask selected to the 100% position, the mask supplies..

Answer 21

100% oxygen on demand

Question 22

If a pilot is unconscious or having breathing difficulties, their oxygen mask should be…

Answer 22

Selected to EMER

Question 23

How many Protective Breathing Equipment (PBE) units are installed in the aeroplane?

Answer 23

4

Question 24

Flight crew oxygen is designed to provide oxygen to flight crew for…

Answer 24

4 minutes descending from 25,000’ to 14,000’, then at 14,000’ for 116 minutes

Question 25

The passenger supplemental oxygen flow rate is...

Answer 25

2 litres per minute

Question 26

The emergency equipment doghouse at 19 C/D contains...

Answer 26

Two 311 litre supplemental oxygen bottles, and one 121 litre first aid oxygen bottle

Question 27

When smoke or fumes are present in the cockpit, the flight deck oxygen mask must be..

Answer 27

Selected to 100%

Question 28

The first aid oxygen cylinder is fitted with...

Answer 28

1 supplemental type mask and 1 first aid type mask

Question 29

The minimum dispatch pressure for the flight crew oxygen cylinder is...

Answer 29

1,300psi

Question 30

In order to communicate through the flight deck oxygen mask microphone.

Answer 30

The BOOM/MASK switch on the associated ARCDU must be selected to MASK

Question 31

Flight deck oxygen masks are located...

Answer 31

On the flight deck compartment bulkhead

Question 32

Protective Breathing Equipment (PBE) can be found in the following locations...

Answer 32

Behind the first officer, the emergency equipment cupboard, and the emergency equipment doghouse 19 A/B

Question 33

The minimum dispatch pressure for the 311 L supplemental oxygen bottles is...

Answer 33

1,600psi