---
kind: "section"
citation: "14 C.F.R. § 25.459"
title: "14"
number: "25.459"
heading: "Special devices."
url: "https://uscodex.org/cfr/14/25.459"
---

# §25.459. Special devices.


The loading for special devices using aerodynamic surfaces (such as slots, slats and spoilers) must be determined from test data.


## Notes

### Amendments

[Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25-72, 55 FR 29776, July 20, 1990]

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701, 44702 and 44704; Pub. L. 115-254, 132 Stat 3281 (49 U.S.C. 44903 note).

### Source

Source: Docket No. 5066, 29 FR 18291, Dec. 24, 1964, unless otherwise noted.

### Amendments

[Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25-72, 55 FR 29776, July 20, 1990]