---
kind: "section"
citation: "14 C.F.R. § 135.185"
title: "14"
number: "135.185"
heading: "Empty weight and center of gravity: Currency requirement."
url: "https://uscodex.org/cfr/14/135.185"
---

# §135.185. Empty weight and center of gravity: Currency requirement.

- (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.

## Notes

### Authority

Authority: 49 U.S.C. 106(f), 40113, 41706, 44701-44702, 44705, 44709, 44711-44713, 44715-44717, 44722, 44730, 45101-45105; Pub. L. 112-95, 126 Stat. 58 (49 U.S.C. 44730).

### Source

Source: Docket 16097, 43 FR 46783, Oct. 10, 1978, unless otherwise noted.