14 CFR 31.12 - Proof of compliance.

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§ 31.12 Proof of compliance.

(a) Each requirement of this subpart must be met at each weight within the range of loading conditions for which certification is requested. This must be shown by -

(1) Tests upon a balloon of the type for which certification is requested or by calculations based on, and equal in accuracy to, the results of testing; and

(2) Systematic investigation of each weight if compliance cannot be reasonably inferred from the weights investigated.

(b) Except as provided in § 31.17(b), allowable weight tolerances during flight testing are 5 percent and −10 percent.

[Amdt. 31-4, 45 FR 60179, Sept. 11, 1980]

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code

Title 14 published on 03-May-2017 03:58

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR Part 31 after this date.

  • 2016-06-13; vol. 81 # 113 - Monday, June 13, 2016
    1. 81 FR 38067 - Special Conditions: Ultramagic, S.A., Mark-32 Burner Series
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions.
      These special conditions are effective June 13, 2016 and is applicable beginning May 25, 2016.
      14 CFR Part 31