Sec. 23.1527 — Maximum operating altitude.
(a) The maximum altitude up to which operation is allowed, as limited by flight, structural, powerplant, functional or equipment characteristics, must be established.
(b) A maximum operating altitude limitation of not more than 25,000 feet must be established for pressurized airplanes unless compliance with §23.775(e) is shown.
[Doc. No. 26269, 58 FR 42166, Aug. 6, 1993]
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