Regulation · 14 CFRCurrent as of October 26, 2026 (eCFR)
14 CFR 135.185 Empty weight and center of gravity: Currency requirement
Subpart C—Aircraft and Equipment
A reference copy of the official regulation text for study. It is not legal advice or an FAA interpretation; always confirm against the current official source.
(a) No person may operate a multiengine aircraft unless the current empty weight and center of gravity are calculated from values established by actual weighing of the aircraft within the preceding 36 calendar months.
(b) Paragraph (a) of this section does not apply to—
(1) Aircraft issued an original airworthiness certificate within the preceding 36 calendar months; and
(2) Aircraft operated under a weight and balance system approved in the operations specifications of the certificate holder.
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