Batteries need to be replaced when the ELT has been used more than one cumulative hour or 50 percent of the useful charge or life has expired.
Airworthiness directives are legally enforceable rules that apply to aircraft, aircraft engines, propellers, and appliances.
The required instruments for VFR flight during the day include airspeed indicator, altimeter, magnetic direction indicator, tachometer, manifold pressure gauge, oil pressure gauge, oil temperature gauge and fuel gauge.
If the equipment is not required, the item should be disabled and placarded as inoperative.
The following documents are required to be in the aircraft during flight. Airworthiness certificate, registration, radio operators permit (if outside the U.S.), operating limitations, and weight and balance. The mnemonic ARROW is often used to remember these documents.
No. The helicopter is not airworthy with any dents in a monocoque tailboom.
The beacon for a land-based civil airport is an alternating white and green light.
The beacon is operated from sunset to sunrise and when less than VFR conditions during the day.
The helicopter is to avoid the flow of fixed-wing traffic.
On the common radio frequency, state the airport, helicopter tail number, distance, direction and altitude.