CESSNA 172M SKYHAWK — Airworthiness Directives

This document is a legal interpretation from the FAA regarding the operation of a Cessna 172 equipped with an inoperative rotating beacon. It addresses the requirements for anticollision light systems under 14 CFR § 91.205(b)(11) for VFR day operations. The interpretation clarifies whether a Cessna 172 can operate using only strobe lights if the rotating beacon is inoperative, provided it is placarded as such and logged appropriately. The document outlines the regulatory framework and considerations for pilots regarding the operation of aircraft with inoperative equipment, emphasizing the importance of compliance with airworthiness directives and safety regulations.

• Cessna 172 aircraft must comply with 14 CFR § 91.205(b)(11) regarding anticollision light systems.
• If the rotating beacon is inoperative, the aircraft may still operate using strobe lights if properly documented.
• The requirements for anticollision systems apply differently based on the aircraft's certification date.
• Pilots must ensure that all inoperative equipment is logged and placarded according to FAA regulations.