AMC1 NCO.OP.190(a) Use of supplemental oxygen    

CAA ORS9 Decision No. 1

DETERMINATION OF SUPPLEMENTAL OXYGEN NEED

When determining the need for supplemental oxygen carriage and use, the pilot-in-command should:

(a) in the preflight phase:

(1) be aware of hypoxia conditions and associated risks;

(2) consider the following objective conditions for the intended flight:

(i) altitude;

(ii) duration of the flight; and

(iii) any other relevant operational conditions.

(3) consider individual conditions of flight crew members and passengers in relation to:

(i) altitude of the place of residence;

(ii) smoking;

(iii) experience in flights at high altitudes;

(iv) actual medical conditions and medications;

(v) age

(vi) disabilities; and

(vii) any other relevant factor that may be detected, or reported by the person; and

(4) when relevant, ensure that all flight crew members and passengers are briefed on hypoxia conditions and symptoms, as well as on the usage of supplemental oxygen equipment.

(b) during flight:

(1) monitor for early symptoms of hypoxia conditions; and

(2) if detecting early symptoms of hypoxia conditions:

(i) consider to return to a safe altitude, and

(ii) ensure that supplemental oxygen is used, if available.