14 CFR 23.971 - Fuel tank sump.

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There are 5 Updates appearing in the Federal Register for 14 CFR Part 23. View below or at eCFR (GPOAccess)
§ 23.971 Fuel tank sump.
(a) Each fuel tank must have a drainable sump with an effective capacity, in the normal ground and flight attitudes, of 0.25 percent of the tank capacity, or 1/16 gallon, whichever is greater.
(b) Each fuel tank must allow drainage of any hazardous quantity of water from any part of the tank to its sump with the airplane in the normal ground attitude.
(c) Each reciprocating engine fuel system must have a sediment bowl or chamber that is accessible for drainage; has a capacity of 1 ounce for every 20 gallons of fuel tank capacity; and each fuel tank outlet is located so that, in the normal flight attitude, water will drain from all parts of the tank except the sump to the sediment bowl or chamber.
(d) Each sump, sediment bowl, and sediment chamber drain required by paragraphs (a), (b), and (c) of this section must comply with the drain provisions of § 23.999(b)(1) and (b)(2).
[Doc. No. 26344, 58 FR 18972, Apr. 9, 1993; 58 FR 27060, May 6, 1993]

Title 14 published on 2015-01-01.

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

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  • 2015-05-21; vol. 80 # 98 - Thursday, May 21, 2015
    1. 80 FR 29205 - Special Conditions: Cirrus Design Corporation Model SF50 airplane; Full Authority Digital Engine Control (FADEC) System; Withdrawal
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; withdrawal.
      Effective May 21, 2015, the special condition published on April 20, 2010 (75 FR 20518) is withdrawn.
      14 CFR Part 23

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United States Code

Title 14 published on 2015-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR Part 23 after this date.

  • 2015-05-21; vol. 80 # 98 - Thursday, May 21, 2015
    1. 80 FR 29205 - Special Conditions: Cirrus Design Corporation Model SF50 airplane; Full Authority Digital Engine Control (FADEC) System; Withdrawal
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; withdrawal.
      Effective May 21, 2015, the special condition published on April 20, 2010 (75 FR 20518) is withdrawn.
      14 CFR Part 23