---
kind: "section"
citation: "14 C.F.R. § 135.109"
title: "14"
number: "135.109"
heading: "Pilot in command or second in command: Designation required."
url: "https://uscodex.org/cfr/14/135.109"
---

# §135.109. Pilot in command or second in command: Designation required.

- (a) Each certificate holder shall designate a—
  - (1) Pilot in command for each flight; and
  - (2) **Second in command for each flight requiring two pilots.**
- (b) The pilot in command, as designated by the certificate holder, shall remain the pilot in command at all times during that flight.

## 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.