Safety belt briefing
The required briefing on fastening and unfastening belts before takeoff.
As taught in Preflight Action and Safety Belts (Regulatory Framework and Pilot Responsibilities) — a free lesson with cited FAA sources.
The required PIC briefing on fastening/unfastening belts before takeoff.
As taught in Passenger Briefings (Preflight Planning and Required Information) — a free lesson with cited FAA sources.