(1) 2.25 times the drop height prescribed in §23.725(a); or
(2) Sufficient to develop 1.5 times the limit load factor.
(b) The critical landing condition for each of the design conditions specified in §§23.479 through 23.483 must be used for proof of strength.
[Amdt. 23–7, 34 FR 13091, Aug. 13, 1969]
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