​ေလ​ေၾကာင္​း​ေဝါဟာရမ်ား

Aviation Glossary
(Credit Cho Lei Fb)

GPS..Global Positioning System
LAAS..Local Area Augmentation System
MOA..Military Operations Area
MSL..Mean Sea Level
NMAC..Near Mid-Air Collission
NTSB..National Transportation Safety Board
TCA..Terminal Control Area
TCAS..Traffic Alert and Collission Avoidance System
TRSA.
Terminal Radar Service Area
VFR..Visual Flight Rules
CTAF..Common Traffic Advisory Frequency
AWOS..Automatic Weather Observing System
CFI..Certificated Flight Instructor
ATP..Airline Transport Pilot
ATIS..Automated Terminal Information System
ATC..Air Traffic Control
FSS..Flight Service Station
XFSS..Auxiliary Flight Service Station
ASOS..Automated Surface O servation System
AGL..Above Ground Level
Class A airspace..Airspace between 18000 and 60000feet
Class B airspace..up to 10000feet above ground level
Class C airspace..surface to 1200 feet AGL out to 5miles and from 1200 to 4000feet AGL to 10miles from the airport.

Class D airspace..radius of 5miles from the surface to 2500feet AGL

Class E airspace ..the Continental  Control Area
Class F airspace..International airspace designation