361
Federal Aviation Administration, DOT
Pt. 25
25.109
Accelerate-stop distance.
25.111
Takeoff path.
25.113
Takeoff distance and takeoff run.
25.115
Takeoff flight path.
25.117
Climb: general.
25.119
Landing climb: All-engines-operating.
25.121
Climb: One-engine-inoperative.
25.123
En route flight paths.
25.125
Landing.
C
ONTROLLABILITY AND
M
ANEUVERABILITY
25.143
General.
25.145
Longitudinal control.
25.147
Directional and lateral control.
25.149
Minimum control speed.
T
RIM
25.161
Trim.
S
TABILITY
25.171
General.
25.173
Static longitudinal stability.
25.175
Demonstration of static longitudinal
stability.
25.177
Static lateral-directional stability.
25.181
Dynamic stability.
S
TALLS
25.201
Stall demonstration.
25.203
Stall characteristics.
25.207
Stall warning.
G
ROUND AND
W
ATER
H
ANDLING
C
HARACTERISTICS
25.231
Longitudinal stability and control.
25.233
Directional stability and control.
25.235
Taxiing condition.
25.237
Wind velocities.
25.239
Spray characteristics, control, and
stability on water.
M
ISCELLANEOUS
F
LIGHT
R
EQUIREMENTS
25.251
Vibration and buffeting.
25.253
High-speed characteristics.
25.255
Out-of-trim characteristics.
Subpart C—Structure
G
ENERAL
25.301
Loads.
25.303
Factor of safety.
25.305
Strength and deformation.
25.307
Proof of structure.
F
LIGHT
L
OADS
25.321
General.
F
LIGHT
M
ANEUVER AND
G
UST
C
ONDITIONS
25.331
Symmetric maneuvering conditions.
25.333
Flight maneuvering envelope.
25.335
Design airspeeds.
25.337
Limit maneuvering load factors.
25.341
Gust and turbulence loads.
25.343
Design fuel and oil loads.
25.345
High lift devices.
25.349
Rolling conditions.
25.351
Yaw maneuver conditions.
S
UPPLEMENTARY
C
ONDITIONS
25.361
Engine torque.
25.363
Side load on engine and auxiliary
power unit mounts.
25.365
Pressurized compartment loads.
25.367
Unsymmetrical loads due to engine
failure.
25.371
Gyroscopic loads.
25.373
Speed control devices.
C
ONTROL
S
URFACE AND
S
YSTEM
L
OADS
25.391
Control surface loads: General.
25.393
Loads parallel to hinge line.
25.395
Control system.
25.397
Control system loads.
25.399
Dual control system.
25.405
Secondary control system.
25.407
Trim tab effects.
25.409
Tabs.
25.415
Ground gust conditions.
25.427
Unsymmetrical loads.
25.445
Auxiliary aerodynamic surfaces.
25.457
Wing flaps.
25.459
Special devices.
G
ROUND
L
OADS
25.471
General.
25.473
Landing load conditions and assump-
tions.
25.477
Landing gear arrangement.
25.479
Level landing conditions.
25.481
Tail-down landing conditions.
25.483
One-gear landing conditions.
25.485
Side load conditions.
25.487
Rebound landing condition.
25.489
Ground handling conditions.
25.491
Taxi, takeoff and landing roll.
25.493
Braked roll conditions.
25.495
Turning.
25.497
Tail-wheel yawing.
25.499
Nose-wheel yaw and steering.
25.503
Pivoting.
25.507
Reversed braking.
25.509
Towing loads.
25.511
Ground load: unsymmetrical loads on
multiple-wheel units.
25.519
Jacking and tie-down provisions.
W
ATER
L
OADS
25.521
General.
25.523
Design weights and center of gravity
positions.
25.525
Application of loads.
25.527
Hull and main float load factors.
25.529
Hull and main float landing condi-
tions.
25.531
Hull and main float takeoff condi-
tion.
25.533
Hull and main float bottom pressures.
25.535
Auxiliary float loads.
25.537
Seawing loads.
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