---
kind: "section"
citation: "14 C.F.R. § 23.2250"
title: "14"
number: "23.2250"
heading: "Design and construction principles."
url: "https://uscodex.org/cfr/14/23.2250"
---

# §23.2250. Design and construction principles.

- (a) The applicant must design each part, article, and assembly for the expected operating conditions of the airplane.
- (b) Design data must adequately define the part, article, or assembly configuration, its design features, and any materials and processes used.
- (c) The applicant must determine the suitability of each design detail and part having an important bearing on safety in operations.
- (d) The control system must be free from jamming, excessive friction, and excessive deflection when the airplane is subjected to expected limit airloads.
- (e) Doors, canopies, and exits must be protected against inadvertent opening in flight, unless shown to create no hazard when opened in flight.

## Notes

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704, Pub. L. 113-53, 127 Stat. 584 (49 U.S.C. 44704) note.

### Source

Source: Doc. No. FAA-2015-1621, Amdt. 23-64, 81 FR 96689, Dec. 30, 2016, unless otherwise noted.