347 

Federal Aviation Administration, DOT 

§ 125.219 

(c) Each emergency cockpit checklist 

required by paragraph (a)(2) of this sec-
tion must contain the following proce-
dures, as appropriate: 

(1) Emergency operation of fuel, hy-

draulic, electrical, and mechanical sys-
tems. 

(2) Emergency operation of instru-

ments and controls. 

(3) Engine inoperative procedures. 
(4) Any other emergency procedures 

necessary for safety. 

§ 125.217 Passenger information. 

(a) Except as provided in paragraph 

(b) of this section, no person may oper-
ate an airplane carrying passengers un-
less it is equipped with signs that meet 
the requirements of § 25.791 of this 
chapter and that are visible to pas-
sengers and flight attendants to notify 
them when smoking is prohibited and 
when safety belts must be fastened. 
The signs must be so constructed that 
the crew can turn them on and off. 
They must be turned on during air-
plane movement on the surface, for 
each takeoff, for each landing, and 
when otherwise considered to be nec-
essary by the pilot in command. 

(b) No passenger or crewmember may 

smoke while any ‘‘No Smoking’’ sign is 
lighted nor may any passenger or crew-
member smoke in any lavatory. 

(c) Each passenger required by 

§ 125.211(b) to occupy a seat or berth 
shall fasten his or her safety belt about 
him or her and keep it fastened while 
any ‘‘Fasten Seat Belt’’ sign is lighted. 

(d) Each passenger shall comply with 

instructions given him or her by crew-
members regarding compliance with 
paragraphs (b) and (c) of this section. 

[Doc. No. 26142, 57 FR 42675, Sept. 15, 1992] 

§ 125.219 Oxygen and portable oxygen 

concentrators for medical use by 

passengers. 

(a) Except as provided in paragraphs 

(d) and (f) of this section, no certificate 
holder may allow the carriage or oper-
ation of equipment for the storage, 
generation or dispensing of medical ox-
ygen unless the conditions in para-
graphs (a) through (c) of this section 
are satisfied. Beginning August 22, 2016, 
a certificate holder may allow a pas-
senger to carry and operate a portable 
oxygen concentrator when the condi-

tions in paragraphs (b) and (f) of this 
section are satisfied. 

(1) The equipment must be— 
(i) Of an approved type or in con-

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

(ii) When owned by the certificate 

holder, maintained under the certifi-
cate holder’s approved maintenance 
program; 

(iii) Free of flammable contaminants 

on all exterior surfaces; 

(iv) Constructed so that all valves, 

fittings, and gauges are protected from 
damage during that carriage or oper-
ation; and 

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

form of a liquid, the equipment must 
have been under the certificate holder’s 
approved maintenance program since 
its purchase new or since the storage 
container was last purged. 

(3) When the oxygen is stored in the 

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

(i) When owned by the certificate 

holder, it must be maintained under its 
approved maintenance program; and 

(ii) The pressure in any oxygen cyl-

inder must not exceed the rated cyl-
inder pressure. 

(4) The pilot in command must be ad-

vised when the equipment is on board 
and when it is intended to be used. 

(5) The equipment must be stowed, 

and each person using the equipment 
must be seated so as not to restrict ac-
cess to or use of any required emer-
gency or regular exit or of the aisle in 
the passenger compartment. 

(b) No person may smoke or create 

an open flame and no certificate holder 
may allow any person to smoke or cre-
ate an open flame within 10 feet of oxy-
gen storage and dispensing equipment 
carried under paragraph (a) of this sec-
tion or a portable oxygen concentrator 
carried and operated under paragraph 
(f) of this section. 

(c) No certificate holder may allow 

any person other than a person trained 
in the use of medical oxygen equip-
ment to connect or disconnect oxygen