196
14 CFR Ch. I (1–1–19 Edition)
Pt. 25
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 and auxiliary power unit
torque.
25.362
Engine failure loads.
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.
E
MERGENCY
L
ANDING
C
ONDITIONS
25.561
General.
25.562
Emergency landing dynamic condi-
tions.
25.563
Structural ditching provisions.
F
ATIGUE
E
VALUATION
25.571
Damage—tolerance and fatigue eval-
uation of structure.
L
IGHTNING
P
ROTECTION
25.581
Lightning protection.
Subpart D—Design and Construction
G
ENERAL
25.601
General.
25.603
Materials.
25.605
Fabrication methods.
25.607
Fasteners.
25.609
Protection of structure.
25.611
Accessibility provisions.
25.613
Material strength properties and ma-
terial design values.
25.619
Special factors.
25.621
Casting factors.
25.623
Bearing factors.
25.625
Fitting factors.
25.629
Aeroelastic stability requirements.
25.631
Bird strike damage.
C
ONTROL
S
URFACES
25.651
Proof of strength.
25.655
Installation.
25.657
Hinges.
C
ONTROL
S
YSTEMS
25.671
General.
25.672
Stability augmentation and auto-
matic and power-operated systems.
25.675
Stops.
25.677
Trim systems.
25.679
Control system gust locks.
25.681
Limit load static tests.
25.683
Operation tests.
25.685
Control system details.
25.689
Cable systems.
25.693
Joints.
25.697
Lift and drag devices, controls.
25.699
Lift and drag device indicator.
25.701
Flap and slat interconnection.
25.703
Takeoff warning system.
L
ANDING
G
EAR
25.721
General.
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