§25.171 General.

14 CFR 25 · Flight · Stability · at 25-153 (current)

Text in force at 25-153: from 25-7, effective 14 Nov 1965.

The airplane must be longitudinally, directionally, and laterally stable in accordance with the provisions of Secs. 25.173 through 25.177. In addition, suitable stability [and control feel (static stability)] is required in any condition normally encountered in service, if flight tests show it is necessary for safe operation.

30 FR 13117 · Source

Version history

Version	Effective	Published
25-7	14 Nov 1965	30 FR 13117
25-0	1 Feb 1965	29 FR 18291

Rulemaking for 25-7

nprm 64-6 28 Jan 1964
final rule 1987 8 Oct 1965

Aircraft using this section

Airbus Defence and Space S.A C-212-CB entry 3 at 25-7
Airbus Defence and Space S.A C-212-CC entry 3 at 25-7
Airbus Defence and Space S.A C-212-CD entry 3 at 25-7
Airbus Defence and Space S.A C-212-CE entry 3 at 25-7
Airbus Defence and Space S.A C-212-DD entry 3 at 25-7
Airbus Defence and Space S.A C-212-EE entry 3 at 25-7
Airbus Defence and Space S.A C-212-EE entry 4 at 25-7
Airbus Defence and Space S.A C-212-VA entry 3 at 25-7
GULFSTREAM AEROSPACE LP (GALP) GALAXY entry 2 at 25-7
GULFSTREAM AEROSPACE LP (GALP) GULFSTREAM 200 entry 2 at 25-7
GULFSTREAM AEROSPACE LP (GALP) Gulfstream G150 entry 2 at 25-7
Gulfstream Aerospace Corporation GVII-G500 entry 2 at 25-7
Gulfstream Aerospace Corporation GVII-G600 entry 2 at 25-7
Textron Aviation Inc. 4000 entry 1 at 25-7
The Boeing Company 767-200 entry 4 at 25-7
The Boeing Company 767-300 entry 4 at 25-7
su Beriev Be-200ES-E entry 3 at 25-0

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