---
kind: "section"
citation: "14 C.F.R. § 22.135"
title: "14"
number: "22.135"
heading: "Instruments and equipment."
url: "https://uscodex.org/cfr/14/22.135"
---

# §22.135. Instruments and equipment.

- (a) The aircraft must have all instruments and equipment necessary for safe flight, to include those instruments necessary for systems control and management.
- (b) The aircraft must include all instruments and equipment required for the kinds of operations for which it is authorized.
- (c) The aircraft's, instruments, equipment, and systems must perform their intended functions under all operating conditions specified in the pilot's operating handbook. Likely failure or malfunction of equipment or a system must not cause loss of control of the aircraft. Equipment and systems must be considered separately and in relation to each other.

## Notes

### Authority

Authority: 42 U.S.C. 7572; 49 U.S.C. 106(f), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303.

### Source

Source: Amdt. No. 22-1, 90 FR 35208, July 24, 2025, unless otherwise noted.