Aviation General

What is HF in Aviation? (High Frequency)

What is IFR in Aviation? (Instrument Flight Rules)

What is GND in Aviation? (Ground)

What is SIU in Aviation? (Satellite Interface Unit)

What is IDG in Aviation? (Integrated Drive Generator)

What is H in Aviation? (Heavy)

What is UPRT in Aviation? (Upset Prevention And Recovery Training)

What is WDM in Aviation? (Wiring Diagram Manual)

What is PO in Aviation? (Pilot’S Operating Handbook)