---
kind: "section"
citation: "14 C.F.R. § 450.159"
title: "14"
number: "450.159"
heading: "Pre-flight procedures."
url: "https://uscodex.org/cfr/14/450.159"
---

# §450.159. Pre-flight procedures.

- (a) An operator must implement pre-flight procedures that—
  - (1) Verify that each flight commit criterion is satisfied before flight is initiated; and
  - (2) **Ensure the operator can return the vehicle to a safe state after a countdown abort or delay.**
- (b) An operator must ensure the currency of the pre-flight procedures, and that all personnel are working with the approved version of the pre-flight procedures.

## Notes

### Authority

Authority: 51 U.S.C. 50901-50923.

### Source

Source: Docket No. FAA-2019-0229, Amdt. 450-2, 85 FR 79719, Dec. 10, 202085 FR 79739, Dec. 10, 2020, unless otherwise noted.