---
kind: "section"
citation: "14 C.F.R. § 29.55"
title: "14"
number: "29.55"
heading: "Takeoff decision point (TDP): Category A."
url: "https://uscodex.org/cfr/14/29.55"
---

# §29.55. Takeoff decision point (TDP): Category A.

- (a) The TDP is the first point from which a continued takeoff capability is assured under [§ 29.59](/cfr/14/29.59.md) and is the last point in the takeoff path from which a rejected takeoff is assured within the distance determined under [§ 29.62](/cfr/14/29.62.md).
- (b) The TDP must be established in relation to the takeoff path using no more than two parameters; e.g., airspeed and height, to designate the TDP.
- (c) Determination of the TDP must include the pilot recognition time interval following failure of the critical engine.

## Notes

### Amendments

[Doc. No. 24802, 61 FR 21899, May 10, 1996]

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704.

### Source

Source: Docket No. 5084, 29 FR 16150, Dec. 3, 1964, unless otherwise noted.

### Amendments

[Doc. No. 24802, 61 FR 21899, May 10, 1996]