14 CFR 27.1323 - Airspeed indicating system.

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There are 3 Updates appearing in the Federal Register for 14 CFR 27. View below or at eCFR (GPOAccess)
§ 27.1323 Airspeed indicating system.
(a) Each airspeed indicating instrument must be calibrated to indicate true airspeed (at sea level with a standard atmosphere) with a minimum practicable instrument calibration error when the corresponding pitot and static pressures are applied.
(b) The airspeed indicating system must be calibrated in flight at forward speeds of 20 knots and over.
(c) At each forward speed above 80 percent of the climbout speed, the airspeed indicator must indicate true airspeed, at sea level with a standard atmosphere, to within an allowable installation error of not more than the greater of—
(1) ±3 percent of the calibrated airspeed; or
(2) Five knots.
(Secs. 313(a), 601, 603, 604, and 605 of the Federal Aviation Act of 1958 (49 U.S.C. 1354(a), 1421, 1423, 1424, and 1425); and sec. 6(c) of the Dept. of Transportation Act (49 U.S.C. 1655(c)))
[Doc. No. 5074, 29 FR 15695, Nov. 24, 1964, as amended by Amdt. 27-13, 42 FR 36972, July 18, 1977]

Title 14 published on 2014-01-01

The following are only the Rules published in the Federal Register after the published date of Title 14.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-08-19; vol. 79 # 160 - Tuesday, August 19, 2014
    1. 79 FR 48946 - Special Conditions: Robinson Model R66 Helicopter, § 27.1309, Installation of HeliSAS Autopilot and Stabilization Augmentation System (AP/SAS)
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; request for comments.
      The effective date of these special conditions is August 7, 2014. We must receive your comments on or before October 3, 2014.
      14 CFR Part 27

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United States Code

Title 14 published on 2014-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR 27 after this date.

  • 2014-08-19; vol. 79 # 160 - Tuesday, August 19, 2014
    1. 79 FR 48946 - Special Conditions: Robinson Model R66 Helicopter, § 27.1309, Installation of HeliSAS Autopilot and Stabilization Augmentation System (AP/SAS)
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; request for comments.
      The effective date of these special conditions is August 7, 2014. We must receive your comments on or before October 3, 2014.
      14 CFR Part 27