363
Federal Aviation Administration, DOT
Pt. 25
M
ISCELLANEOUS
25.871
Leveling means.
25.875
Reinforcement near propellers.
25.899
Electrical bonding and protection
against static electricity.
Subpart E—Powerplant
G
ENERAL
25.901
Installation.
25.903
Engines.
25.904
Automatic takeoff thrust control sys-
tem (ATTCS).
25.905
Propellers.
25.907
Propeller vibration and fatigue.
25.925
Propeller clearance.
25.929
Propeller deicing.
25.933
Reversing systems.
25.934
Turbojet engine thrust reverser sys-
tem tests.
25.937
Turbopropeller-drag limiting sys-
tems.
25.939
Turbine engine operating characteris-
tics.
25.941
Inlet, engine, and exhaust compat-
ibility.
25.943
Negative acceleration.
25.945
Thrust or power augmentation sys-
tem.
F
UEL
S
YSTEM
25.951
General.
25.952
Fuel system analysis and test.
25.953
Fuel system independence.
25.954
Fuel system lightning protection.
25.955
Fuel flow.
25.957
Flow between interconnected tanks.
25.959
Unusable fuel supply.
25.961
Fuel system hot weather operation.
25.963
Fuel tanks: general.
25.965
Fuel tank tests.
25.967
Fuel tank installations.
25.969
Fuel tank expansion space.
25.971
Fuel tank sump.
25.973
Fuel tank filler connection.
25.975
Fuel tank vents and carburetor vapor
vents.
25.977
Fuel tank outlet.
25.979
Pressure fueling system.
25.981
Fuel tank ignition prevention.
F
UEL
S
YSTEM
C
OMPONENTS
25.991
Fuel pumps.
25.993
Fuel system lines and fittings.
25.994
Fuel system components.
25.995
Fuel valves.
25.997
Fuel strainer or filter.
25.999
Fuel system drains.
25.1001
Fuel jettisoning system.
O
IL
S
YSTEM
25.1011
General.
25.1013
Oil tanks.
25.1015
Oil tank tests.
25.1017
Oil lines and fittings.
25.1019
Oil strainer or filter.
25.1021
Oil system drains.
25.1023
Oil radiators.
25.1025
Oil valves.
25.1027
Propeller feathering system.
C
OOLING
25.1041
General.
25.1043
Cooling tests.
25.1045
Cooling test procedures.
I
NDUCTION
S
YSTEM
25.1091
Air induction.
25.1093
Induction system icing protection.
25.1101
Carburetor air preheater design.
25.1103
Induction system ducts and air duct
systems.
25.1105
Induction system screens.
25.1107
Inter-coolers and after-coolers.
E
XHAUST
S
YSTEM
25.1121
General.
25.1123
Exhaust piping.
25.1125
Exhaust heat exchangers.
25.1127
Exhaust driven turbo-superchargers.
P
OWERPLANT
C
ONTROLS AND
A
CCESSORIES
25.1141
Powerplant controls: general.
25.1142
Auxiliary power unit controls.
25.1143
Engine controls.
25.1145
Ignition switches.
25.1147
Mixture controls.
25.1149
Propeller speed and pitch controls.
25.1153
Propeller feathering controls.
25.1155
Reverse thrust and propeller pitch
settings below the flight regime.
25.1157
Carburetor air temperature controls.
25.1159
Supercharger controls.
25.1161
Fuel jettisoning system controls.
25.1163
Powerplant accessories.
25.1165
Engine ignition systems.
25.1167
Accessory gearboxes.
P
OWERPLANT
F
IRE
P
ROTECTION
25.1181
Designated fire zones; regions in-
cluded.
25.1182
Nacelle areas behind firewalls, and
engine pod attaching structures con-
taining flammable fluid lines.
25.1183
Flammable fluid-carrying compo-
nents.
25.1185
Flammable fluids.
25.1187
Drainage and ventilation of fire
zones.
25.1189
Shutoff means.
25.1191
Firewalls.
25.1192
Engine accessory section diaphragm.
25.1193
Cowling and nacelle skin.
25.1195
Fire extinguishing systems.
25.1197
Fire extinguishing agents.
25.1199
Extinguishing agent containers.
25.1201
Fire extinguishing system materials.
25.1203
Fire detector system.
25.1207
Compliance.
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