GroundRules
14 CFR 31.21: Loads.
Where this section sits in the code
- Title 14—Aeronautics and Space
- CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- SUBCHAPTER C—AIRCRAFT
- PART 31—AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS
- Subpart C—Strength Requirements
Strength requirements are specified in terms of limit loads, that are the maximum load to be expected in service, and ultimate loads, that are limit loads multiplied by prescribed factors of safety. Unless otherwise specified, all prescribed loads are limit loads.
Collected 2026-08-27T02:24:20Z. Source file · JSON