C.F.R. » Title 14 » CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER F—AIR TRAFFIC AND GENERAL OPERATING RULES › PART 91—GENERAL OPERATING AND FLIGHT RULES › Subpart B—Flight Rules

14 C.F.R. § 91.117

Aircraft speed

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(a) Unless otherwise authorized by the Administrator, no person may operate an aircraft below 10,000 feet MSL at an indicated airspeed of more than 250 knots (288 m.p.h.).

(b) Unless otherwise authorized or required by ATC, no person may operate an aircraft at or below 2,500 feet above the surface within 4 nautical miles of the primary airport of a Class C or Class D airspace area at an indicated airspeed of more than 200 knots (230 mph.). This paragraph (b) does not apply to any operations within a Class B airspace area. Such operations shall comply with paragraph (a) of this section.

(c) No person may operate an aircraft in the airspace underlying a Class B airspace area designated for an airport or in a VFR corridor designated through such a Class B airspace area, at an indicated airspeed of more than 200 knots (230 mph).

(d) If the minimum safe airspeed for any particular operation is greater than the maximum speed prescribed in this section, the aircraft may be operated at that minimum speed.

[Docket 18334, 54 FR 34292, Aug. 18, 1989, as amended by Amdt. 91-219, 55 FR 34708, Aug. 24, 1990; Amdt. 91-227, 56 FR 65657, Dec. 17, 1991; Amdt. 91-233, 58 FR 43554, Aug. 17, 1993]
Notes of Decisions
Cited in 13 cases, 1968–2010 · leading case: Elassaad v. Independence Air, Inc.
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Elassaad v. Independence Air, Inc. (2010) ca3 “g„ 14 C.F.R. § 91.117 (a) ("[N]o person may operate an aircraft .”
In Re Air Crash Disaster at New Orleans (Moisant Field), Louisiana on March 20, 1969. Mary I. Cates v. United States (1976) ca6 · cites it 2× “14 C.F.R. § 91.117 (b). Without regard to whether anybody was negligent in getting the DC-3 to a point 202 feet in the air above Moisant Airport, it may well be that the critical fact of this accident was the pilot’s error in determining to try to land when his heavily loaded…”
In Re Air Crash Disaster at John F. Kennedy International Airport on June 24, 1975 (1980) ca2 “of descent at certain heights (400 feet and 300 feet) as required by the aircraft and Eastern’s manuals; the target speed of the plane during the landing was too low; and the co-pilot improperly proceeded below the decision height (the height at which a missed approach decision…”
In Re Air Crash Disaster at New Orleans, Etc. (1975) tnwd · cites it 3× “14 C.F.R. § 91.117 . The record is clear in this case that the pilot and crew of the aircraft intentionally violated some of the foregoing Federal Aviation Regulations and practices and negligently disregarded and violated others.”
Martin v. United States (1977) ared “1 The question is, therefore, whether the person having control of 44JG was in violation of 14 C.F.R. § 91.117 at the time the plane descended below the MDA or from such descent until the impact.”
Martin v. United States (1978) ca8 · cites it 2× “See Federal Aviation Regulations, 14 C.F.R. § 91.117 . . The minimum descent altitude (MDA) is that altitude which a pilot must maintain until he is able to see markings identifiable as the approach end of the runway.”
Ross v. United States (1981) ca5 “14 C.F.R. § 91.117 (b) provides: “Descent below MDA or DH.”
Miller v. United States (1974) kyed “14 CFR 91.117(b). The minimum descent altitude for a Runway 18 landing is 1,290 feet above sea level, or 400 feet above the airport elevation.”
Elassaad v. Independence Air, Inc. (2010) ca3 “, 14 C.F.R. § 91.117 (a) ("[N]o person may operate an aircraft .”
Bandy v. United States (1978) tnwd “14 C.F.R. § 91.117 . . The NWS criteria for logging thunderstorm beginnings and endings were: “3.”
American Airlines, Inc. v. City of Audubon Park, Kentucky (1968) kywd “14 C.F.R. 91.117 provides that in approaching to land no person may operate an aircraft below a prescribed minimum descent altitude (MDA) unless, when he reaches that altitude on approach to the runway, the threshold of the runway or its approach lights are clearly visible to…”
Elassaad v. Independence Air, Inc. (2010) ca3 “, 14 C.F.R. § 91.117 (a) (“[N]o person may operate an aircraft .”
Show all 13 citing cases →
— 14 C.F.R. § 91.117(a) — 1 case
Zoppi v. United States (1975) ohnd
— 14 C.F.R. § 91.117(b) — 1 case
Miller v. United States (1974) kyed “14 CFR 91.117(b). The minimum descent altitude for a Runway 18 landing is 1,290 feet above sea level, or 400 feet above the airport elevation.”
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