U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 14Chapter IPart 29Subpart C - Subpart C—Strength Requirements

GENERAL
§ 29.301 - Loads.
§ 29.303 - Factor of safety.
§ 29.305 - Strength and deformation.
§ 29.307 - Proof of structure.
§ 29.309 - Design limitations.

FLIGHT LOADS
§ 29.321 - General.
§ 29.337 - Limit maneuvering load factor.
§ 29.339 - Resultant limit maneuvering loads.
§ 29.341 - Gust loads.
§ 29.351 - Yawing conditions.
§ 29.361 - Engine torque.

CONTROL SURFACE AND SYSTEM LOADS
§ 29.391 - General.
§ 29.395 - Control system.
§ 29.397 - Limit pilot forces and torques.
§ 29.399 - Dual control system.
§ 29.411 - Ground clearance: tail rotor guard.
§ 29.427 - Unsymmetrical loads.

GROUND LOADS
§ 29.471 - General.
§ 29.473 - Ground loading conditions and assumptions.
§ 29.475 - Tires and shock absorbers.
§ 29.477 - Landing gear arrangement.
§ 29.479 - Level landing conditions.
§ 29.481 - Tail-down landing conditions.
§ 29.483 - One-wheel landing conditions.
§ 29.485 - Lateral drift landing conditions.
§ 29.493 - Braked roll conditions.
§ 29.497 - Ground loading conditions: landing gear with tail wheels.
§ 29.501 - Ground loading conditions: landing gear with skids.
§ 29.505 - Ski landing conditions.
§ 29.511 - Ground load: unsymmetrical loads on multiple-wheel units.

WATER LOADS
§ 29.519 - Hull type rotorcraft: Water-based and amphibian.
§ 29.521 - Float landing conditions.

MAIN COMPONENT REQUIREMENTS
§ 29.547 - Main and tail rotor structure.
§ 29.549 - Fuselage and rotor pylon structures.
§ 29.551 - Auxiliary lifting surfaces.

EMERGENCY LANDING CONDITIONS
§ 29.561 - General.
§ 29.562 - Emergency landing dynamic conditions.
§ 29.563 - Structural ditching provisions.

FATIGUE EVALUATION
§ 29.571 - Fatigue Tolerance Evaluation of Metallic Structure.
§ 29.573 - Damage Tolerance and Fatigue Evaluation of Composite Rotorcraft Structures.
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