Federal Aviation Regulations
Sec. 21.231 — Applicability.
Link to an amendment published at 74 FR 53390, October 16, 2009.Link to an amendment published at 75 FR 9095, March 1, 2010.
This subpart prescribes procedures for—
(a) Obtaining and using a delegation option authorization for type, production, and airworthiness certification (as applicable) of—
(1) Small airplanes and small gliders;
(2) Commuter category airplanes;
(3) Normal category rotorcraft;
(4) Turbojet engines of not more than 1,000 pounds thrust;
(5) Turbopropeller and reciprocating engines of not more than 500 brake horsepower; and
(6) Propellers manufactured for use on engines covered by paragraph (a)(4) of this section; and
(b) Issuing airworthiness approval tags for engines, propellers, and parts of products covered by paragraph (a) of this section.
[Amdt. 21–5, 30 FR 11375, Sept. 8, 1965, as amended by Amdt. 21–59, 52 FR 1836, Jan. 15, 1987]
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