Aviation General

What is HYDIM in Aviation? (Hydraulic Interface Module)

What is PTT in Aviation? (Push To Talk)

What is AD in Aviation? (Airworthiness Directive)

What is MDM in Aviation? (Multi-Disciplinary Measure)

What is FD in Aviation? (Upper Winds And Temperature Forecast)

What is NORAD in Aviation? (North American Aerospace Defense Command)

What is NR in Aviation? (Rotor Speed (Helicopters))

What is DFDR in Aviation? (Digital Flight Data Recorder)

What is PANS-OPS in Aviation? (Procedures For Air Navigation Services – Aircraft Operations)