---
kind: "section"
citation: "14 C.F.R. § 135.83"
title: "14"
number: "135.83"
heading: "Operating information required."
url: "https://uscodex.org/cfr/14/135.83"
---

# §135.83. Operating information required.

- (a) The operator of an aircraft must provide the following materials, in current and appropriate form, accessible to the pilot at the pilot station, and the pilot shall use them:
  - (1) **A cockpit checklist.**
  - (2) For multiengine aircraft or for aircraft with retractable landing gear, an emergency cockpit checklist containing the procedures required by [paragraph (c)](#c) of this section, as appropriate.
  - (3) **Pertinent aeronautical charts.**
  - (4) For IFR operations, each pertinent navigational en route, terminal area, and approach and letdown chart.
  - (5) For multiengine aircraft, one-engine-inoperative climb performance data and if the aircraft is approved for use in IFR or over-the-top operations, that data must be sufficient to enable the pilot to determine compliance with [§ 135.181(a)(2)](/cfr/14/135.181.md?p=a-2).
- (b) Each cockpit checklist required by [paragraph (a)(1)](#a-1) of this section must contain the following procedures:
  - (1) Before starting engines;
  - (2) Before takeoff;
  - (3) Cruise;
  - (4) Before landing;
  - (5) After landing;
  - (6) **Stopping engines.**
- (c) Each emergency cockpit checklist required by [paragraph (a)(2)](#a-2) of this section must contain the following procedures, as appropriate:
  - (1) **Emergency operation of fuel, hydraulic, electrical, and mechanical systems.**
  - (2) **Emergency operation of instruments and controls.**
  - (3) **Engine inoperative procedures.**
  - (4) **Any other emergency procedures necessary for safety.**

## 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.