Chap 8.8 OXYGEN REQUIREMENTS

Question 1

587- Where to find the Oxygen Requirements?

(8.8.1.1)

Answer 1

Oxygen Requirements

(General)

(Oxygen Analysis) 8.8.1.1

FCOM LIM-35 Cockpit Fixed Oxygen System.

Question 2

588- What are the Planned or Actual Level ≤ FL 100?

(8.8.1.1)

Answer 2

No Oxygen Required.

Question 3

589- What are the Planned or Actual Level > FL 100 and ≤ FL 250?

(8.8.1.1)

Answer 3

• For Cabin altitude > 10,000 Ft

* 10% of Pax - Mini 30 Min (>10,000 Ft)

* ALL Cockpit & Cabin Crew - Mini 30 Min (>10,000 Ft)

• For Cabin altitude > 12,000 Ft

* ALL Pax - Minimum 10 Min

* ALL Cockpit & Cabin Crew - Minimum 30 Min.

Question 4

590- What are the Planned or Actual Level > FL 250?

(8.8.1.1)

Answer 4

• For Cabin altitude > 8,000 Ft

* 02% of the Pax After a Decompression

• For Cabin altitude > 10,000 Ft & ≤ 12,000 Ft

* 10% of the Pax

* ALL Cockpit for 2H (>10,000 Ft)

* ALL Cabin Crew for 15 Min (>10,000 Ft)

• For Cabin altitude > 12,000 Ft & ≤ 15,000 Ft

* 30% of the Pax

• For Cabin altitude > 15,000 Ft

* ALL Pax - Minimum 10 Min.

Question 5

591- What are the Minimum Thresholds of Oxygen’s Pressure on the ECAM and their Consequences?

(8.8.1.1)

Answer 5

• Below 1500 Psi, Check the Levels are Sufficient
• Below 1100 Psi, SADD Raised And/Or Maintenance Action.

Question 6

592- What Systems are Used to Meet the Cabin Oxygen Requirements?

(8.8.1.1)

Answer 6

• 15 minute PBE
• The Rest is met using Portable Oxygen Bottles.

Question 7

593- What are the Systems Used to Meet Passengers Oxygen Requirements?

(8.8.1.1)

Answer 7

The Requirements are met using:

• Fixed Cabin Oxygen System
• Portable Oxygen Bottles.

Question 8

594- If a Flight is Scheduled to Fly where the Safety Altitude is Above FL100,

Where will the Oxygen Requirements be Found?

(8.8.1.1)

Answer 8

In the Associated Route Briefing.