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14 CFR Ch. I (1–1–24 Edition) 

§ 121.573 

same aircraft when the crewmembers 
on duty have been advised as to the 
most appropriate manner of assisting 
the person so as to prevent pain and 
further injury. 

(b) Each certificate holder must 

carry on each passenger-carrying air-
plane, in convenient locations for use 
of each passenger, printed cards 
supplementing the oral briefing. Each 
card must contain information perti-
nent only to the type and model of air-
plane used for that flight, including— 

(1) Diagrams of, and methods of oper-

ating, the emergency exits; 

(2) Other instructions necessary for 

use of emergency equipment; and 

(3) No later than June 12, 2005, for Do-

mestic and Flag scheduled passenger- 
carrying flights, the sentence, ‘‘Final 
assembly of this airplane was com-
pleted in [INSERT NAME OF COUN-
TRY].’’ 

(c) The certificate holder shall de-

scribe in its manual the procedure to 
be followed in the briefing required by 
paragraph (a) of this section. 

[Doc. No. 2033, 30 FR 3206, Mar. 9, 1965] 

E

DITORIAL

N

OTE

: For F

EDERAL

R

EGISTER

ci-

tations affecting § 121.571, see the List of CFR 
Sections Affected, which appears in the 
Finding Aids section of the printed volume 
and at 

www.govinfo.gov. 

§ 121.573 Briefing passengers: Ex-

tended overwater operations. 

(a) In addition to the oral briefing re-

quired by § 121.571(a), each certificate 
holder operating an airplane in ex-
tended overwater operations shall en-
sure that all passengers are orally 
briefed by the appropriate crewmember 
on the location and operation of life 
preservers, liferafts, and other flota-
tion means, including a demonstration 
of the method of donning and inflating 
a life preserver. 

(b) The certificate holder shall de-

scribe in its manual the procedure to 
be followed in the briefing required by 
paragraph (a) of this section. 

(c) If the airplane proceeds directly 

over water after takeoff, the briefing 
required by paragraph (a) of this sec-
tion must be done before takeoff. 

(d) If the airplane does not proceed 

directly over water after takeoff, no 
part of the briefing required by para-
graph (a) of this section has to be given 

before takeoff, but the entire briefing 
must be given before reaching the 
overwater part of the flight. 

[Doc. No. 2033, 30 FR 3206, Mar. 9, 1965, as 
amended by Amdt. 121–144, 43 FR 22648, May 
25, 1978; Amdt. 121–146, 43 FR 28403, June 29, 
1978] 

§ 121.574 Oxygen and portable oxygen 

concentrators for medical use by 

passengers. 

(a) A certificate holder may allow a 

passenger to carry and operate equip-
ment for the storage, generation, or 
dispensing of oxygen when all of the 
conditions in paragraphs (a) through 
(d) of this section are satisfied. Begin-
ning August 22, 2016, a certificate hold-
er may allow a passenger to carry and 
operate a portable oxygen concentrator 
when the conditions in paragraphs (b) 
and (e) of this section are satisfied. 

(1) The equipment is— 
(i) Furnished by the certificate hold-

er; 

(ii) Of an approved type or is in con-

formity with the manufacturing, pack-
aging, marking, labeling, and mainte-
nance requirements of 49 CFR parts 
171, 172, and 173, except § 173.24(a)(1); 

(iii) Maintained by the certificate 

holder in accordance with an approved 
maintenance program; 

(iv) Free of flammable contaminants 

on all exterior surfaces; 

(v) Capable of providing a minimum 

mass flow of oxygen to the user of four 
liters per minute; 

(vi) Constructed so that all valves, 

fittings, and gauges are protected from 
damage; and 

(vii) Appropriately secured. 
(2) When the oxygen is stored in the 

form of a liquid, the equipment has 
been under the certificate holder’s ap-
proved maintenance program since its 
purchase new or since the storage con-
tainer was last purged. 

(3) When the oxygen is stored in the 

form of a compressed gas as defined in 
49 CFR 173.115(b)— 

(i) The equipment has been under the 

certificate holder’s approved mainte-
nance program since its purchase new 
or since the last hydrostatic test of the 
storage cylinder; and 

(ii) The pressure in any oxygen cyl-

inder does not exceed the rated cyl-
inder pressure.