327 

Federal Aviation Administration, DOT 

§ 125.189 

(5) Its location does not obscure any 

passenger’s view of the ‘‘seat belt’’ 
sign, ‘‘no smoking’’ sign, or required 
exit sign, unless an auxiliary sign or 
other approved means for proper notifi-
cation of the passenger is provided. 

§ 125.185

Carriage of cargo in cargo 

compartments. 

When cargo is carried in cargo com-

partments that are designed to require 
the physical entry of a crewmember to 
extinguish any fire that may occur 
during flight, the cargo must be loaded 
so as to allow a crewmember to effec-
tively reach all parts of the compart-
ment with the contents of a hand-held 
fire extinguisher. 

§ 125.187

Landing gear: Aural warning 

device. 

(a) Except for airplanes that comply 

with the requirements of § 25.729 of this 
chapter on or after January 6, 1992, 
each airplane must have a landing gear 
aural warning device that functions 
continuously under the following con-
ditions: 

(1) For airplanes with an established 

approach wing-flap position, whenever 
the wing flaps are extended beyond the 
maximum certificated approach climb 
configuration position in the Airplane 
Flight Manual and the landing gear is 
not fully extended and locked. 

(2) For airplanes without an estab-

lished approach climb wing-flap posi-
tion, whenever the wing flaps are ex-
tended beyond the position at which 
landing gear extension is normally per-
formed and the landing gear is not 
fully extended and locked. 

(b) The warning system required by 

paragraph (a) of this section— 

(1) May not have a manual shutoff; 
(2) Must be in addition to the throt-

tle-actuated device installed under the 
type certification airworthiness re-
quirements; and 

(3) May utilize any part of the throt-

tle-actuated system including the 
aural warning device. 

(c) The flap position sensing unit 

may be installed at any suitable place 
in the airplane. 

[Doc. No. 19779, 45 FR 67235, Oct. 9, 1980, as 
amended by Amdt. 125–16, 56 FR 63762, Dec. 5, 
1991] 

§ 125.189

Demonstration of emergency 

evacuation procedures. 

(a) Each certificate holder must 

show, by actual demonstration con-
ducted in accordance with paragraph 
(a) of appendix B of this part, that the 
emergency evacuation procedures for 
each type and model of airplane with a 
seating of more than 44 passengers, 
that is used in its passenger-carrying 
operations, allow the evacuation of the 
full seating capacity, including crew-
members, in 90 seconds or less, in each 
of the following circumstances: 

(1) A demonstration must be con-

ducted by the certificate holder upon 
the initial introduction of a type and 
model of airplane into passenger-car-
rying operations. However, the dem-
onstration need not be repeated for any 
airplane type or model that has the 
same number and type of exits, the 
same cabin configuration, and the 
same emergency equipment as any 
other airplane used by the certificate 
holder in successfully demonstrating 
emergency evacuation in compliance 
with this paragraph. 

(2) A demonstration must be con-

ducted— 

(i) Upon increasing by more than 5 

percent the passenger seating capacity 
for which successful demonstration has 
been conducted; or 

(ii) Upon a major change in the pas-

senger cabin interior configuration 
that will affect the emergency evacu-
ation of passengers. 

(b) If a certificate holder has con-

ducted a successful demonstration re-
quired by § 121.291(a) in the same type 
airplane as a part 121 or part 123 cer-
tificate holder, it need not conduct a 
demonstration under this paragraph in 
that type airplane to achieve certifi-
cation under part 125. 

(c) Each certificate holder operating 

or proposing to operate one or more 
landplanes in extended overwater oper-
ations, or otherwise required to have 
certain equipment under § 125.209, must 
show, by a simulated ditching con-
ducted in accordance with paragraph 
(b) of appendix B of this part, that it 
has the ability to efficiently carry out 
its ditching procedures. 

(d) If a certificate holder has con-

ducted a successful demonstration re-
quired by § 121.291(b) in the same type 

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