Aviation General

What is SMOH in Aviation? (Since Major Overhaul)

What is VNO in Aviation? (Normal Operating Speed Limit)

What is A/D in Aviation? (Aerodrome)

What is LPT in Aviation? (Low Pressure Turbine)

What is TC in Aviation? (Type Certificate)

What is AGDL in Aviation? (Air–Ground Data Link)

What is PNR in Aviation? (Passive Noise Reduction)

What is ATSU in Aviation? (Air Traffic Services Unit)

What is NTZ in Aviation? (No-Transgression Zone)