Pilot/Controller Responsibilities

AIM ¶ 5-5-1 Pilot/Controller Responsibilities

AIM 5-5-1 explains pilot and ATC responsibilities, PIC authority under 14 CFR 91.3, and controller priorities. Study guide for checkride and written test prep.

In Plain English

AIM 5-5-1 introduces the shared framework that makes the ATC system work: pilots and controllers each have defined duties, and those duties intentionally overlap to build in redundancy if one party slips up.

Key points to remember:

  • Pilot responsibilities come from the CFRs (FARs).
  • Controller responsibilities come from FAA Order JO 7110.65 and supplemental directives.
  • Supporting guidance for pilots includes the AIM, NOTAMs, Advisory Circulars, and aeronautical charts.
  • The pilot-in-command (PIC) is directly responsible and the final authority for safe operation of the aircraft.
  • Per 14 CFR 91.3, in an emergency requiring immediate action the PIC may deviate from any rule in Subparts A and B.

Controller priorities, in order:

  1. Separation of aircraft and issuing radar safety alerts.
  2. Other required services not involving separation.
  3. Additional services, workload permitting.

Operationally, this means you can't assume ATC will catch every mistake — and ATC doesn't assume you will either. The overlap is a safety net, not a substitute for doing your own job well.

AIM Source Text
FAA AIM ¶ 5-5-1
5-5-1. 5-5-1. General The roles and responsibilities of the pilot and controller for effective participation in the ATC system are contained in several documents. Pilot responsibilities are in the CFRs and the air traffic controllers' are in the FAA Order JO 7110.65, Air Traffic Control, and supplemental FAA directives. Additional and supplemental information for pilots can be found in the current Aeronautical Information Manual (AIM), Notices to Airmen, Advisory Circulars and aeronautical charts. Since there are many other excellent publications produced by nongovernment organizations, as well as other government organizations, with various updating cycles, questions concerning the latest or most current material can be resolved by cross‐checking with the above mentioned documents. The pilot-in-command of an aircraft is directly responsible for, and is the final authority as to the safe operation of that aircraft. In an emergency requiring immediate action, the pilot-in-command may deviate from any rule in the General Subpart A and Flight Rules Subpart B in accordance with 14 CFR section 91.3. The air traffic controller is responsible to give first priority to the separation of aircraft and to the issuance of radar safety alerts, second priority to other services that are required, but do not involve separation of aircraft and third priority to additional services to the extent possible. In order to maintain a safe and efficient air traffic system, it is necessary that each party fulfill their responsibilities to the fullest. The responsibilities of the pilot and the controller intentionally overlap in many areas providing a degree of redundancy. Should one or the other fail in any manner, this overlapping responsibility is expected to compensate, in many cases, for failures that may affect safety. The following, while not intended to be all inclusive, is a brief listing of pilot and controller responsibilities for some commonly used procedures or phases of flight. More detailed explanations are contained in other portions of this publication, the appropriate CFRs, ACs and similar publications. The information provided is an overview of the principles involved and is not meant as an interpretation of the rules nor is it intended to extend or diminish responsibilities.
Oral Exam Questions a DPE Might Ask
Q1Who is the final authority for the safe operation of an aircraft, and what rule allows deviation in an emergency?
Per AIM 5-5-1, the pilot-in-command is directly responsible for and is the final authority as to the safe operation of the aircraft. In an emergency requiring immediate action, the PIC may deviate from any rule in General Subpart A and Flight Rules Subpart B in accordance with 14 CFR 91.3.
Q2What are the air traffic controller's three priorities, in order?
Per AIM 5-5-1, the controller's first priority is separation of aircraft and the issuance of radar safety alerts; second priority is other required services that do not involve separation; and third priority is additional services to the extent possible.
Q3Where are pilot and controller responsibilities formally documented?
Per AIM 5-5-1, pilot responsibilities are contained in the CFRs, while controller responsibilities are in FAA Order JO 7110.65, Air Traffic Control, and supplemental FAA directives. Additional pilot guidance is found in the AIM, NOTAMs, Advisory Circulars, and aeronautical charts.
Related Paragraphs in AIM Chapter 5
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AIM 5-5-1 — Pilot/Controller Roles & Responsibilities