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14 CFR Ch. I (1–1–19 Edition)
§ 125.177
§ 125.177
Control of engine rotation.
(a) Except as provided in paragraph
(b) of this section, each airplane must
have a means of individually stopping
and restarting the rotation of any en-
gine in flight.
(b) In the case of turbine engine in-
stallations, a means of stopping rota-
tion need be provided only if the Ad-
ministrator finds that rotation could
jeopardize the safety of the airplane.
§ 125.179
Fuel system independence.
(a) Each airplane fuel system must be
arranged so that the failure of any one
component does not result in the irre-
coverable loss of power of more than
one engine.
(b) A separate fuel tank need not be
provided for each engine if the certifi-
cate holder shows that the fuel system
incorporates features that provide
equivalent safety.
§ 125.181
Induction system ice preven-
tion.
A means for preventing the malfunc-
tioning of each engine due to ice accu-
mulation in the engine air induction
system must be provided for each air-
plane.
§ 125.183
Carriage of cargo in pas-
senger compartments.
(a) Except as provided in paragraph
(b) or (c) of this section, no certificate
holder may carry cargo in the pas-
senger compartment of an airplane.
(b) Cargo may be carried aft of the
foremost seated passengers if it is car-
ried in an approved cargo bin that
meets the following requirements:
(1) The bin must withstand the load
factors and emergency landing condi-
tions applicable to the passenger seats
of the airplane in which the bin is in-
stalled, multiplied by a factor of 1.15,
using the combined weight of the bin
and the maximum weight of cargo that
may be carried in the bin.
(2) The maximum weight of cargo
that the bin is approved to carry and
any instructions necessary to ensure
proper weight distribution within the
bin must be conspicuously marked on
the bin.
(3) The bin may not impose any load
on the floor or other structure of the
airplane that exceeds the load limita-
tions of that structure.
(4) The bin must be attached to the
seat tracks or to the floor structure of
the airplane, and its attachment must
withstand the load factors and emer-
gency landing conditions applicable to
the passenger seats of the airplane in
which the bin is installed, multiplied
by either the factor 1.15 or the seat at-
tachment factor specified for the air-
plane, whichever is greater, using the
combined weight of the bin and the
maximum weight of cargo that may be
carried in the bin.
(5) The bin may not be installed in a
position that restricts access to or use
of any required emergency exit, or of
the aisle in the passenger compart-
ment.
(6) The bin must be fully enclosed
and made of material that is at least
flame-resistant.
(7) Suitable safeguards must be pro-
vided within the bin to prevent the
cargo from shifting under emergency
landing conditions.
(8) The bin may not be installed in a
position that obscures any passenger’s
view of the ‘‘seat belt’’ sign, ‘‘no smok-
ing’’ sign, or any required exit sign, un-
less an auxiliary sign or other approved
means for proper notification of the
passenger is provided.
(c) All cargo may be carried forward
of the foremost seated passengers and
carry-on baggage may be carried along-
side the foremost seated passengers if
the cargo (including carry-on baggage)
is carried either in approved bins as
specified in paragraph (b) of this sec-
tion or in accordance with the fol-
lowing:
(1) It is properly secured by a safety
belt or other tie down having enough
strength to eliminate the possibility of
shifting under all normally anticipated
flight and ground conditions.
(2) It is packaged or covered in a
manner to avoid possible injury to pas-
sengers.
(3) It does not impose any load on
seats or the floor structure that ex-
ceeds the load limitation for those
components.
(4) Its location does not restrict ac-
cess to or use of any required emer-
gency or regular exit, or of the aisle in
the passenger compartment.
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