aal | Above Airfield Level |
AMSL | Above Mean Sea Level |
AGL | Above Ground Level |
AI | Assistant Instructor (BGA) |
AMC | Acceptable Means of Compliance |
ANO | Air Navigation Orders (UK CAA) |
ARC | Airworthiness Review Certificate |
ASI | Airspeed Indicator |
ATC | Air Traffic Control |
ATS | Air Traffic Service |
ATZ | Aerodrome Traffic Zone |
Avgas | Aviation gasoline |
BGA | British Gliding Association |
BI | Basic Instructor (BGA) |
CAA | Civil Aviation Authority |
CAP | Civil Aviation Authority Publication |
CCE | Cross Country Endorsement |
CFI | Chief Flying Instructor |
CGFF | Common Glider Field Frequency |
CofA | Certificate of Airworthiness |
CRI | Class Rating Instructor |
CTA | Control Area |
CTR | Control Zone |
D&D | Distress and Diversion (Service) |
DI | Duty Instructor; Daily Inspection |
EASA | European Aviation Safety Agency |
ELT | Emergency Locator Transmitter |
F&F | Friends and Family |
FES | Front Electric Sustainer |
FI | Fully Rated Instructor (BGA) |
FI(S) | Flight Instructor (Sailplanes) (EASA) |
FL | Flight level (FL x 100 = feet calculated at standard pressure of 1013.25 hPa) |
FRTOL | Flight Radiotelephony Operators Licence |
GA | General Aviation |
GPL | Glider Pilot Licence |
GPS | Global positioning system |
hPa | hectoPascal (unit of pressure, same as millibar) |
IAIP | Interactive Aeronautical Information Package (NATS) |
ICAO | International Civil Aviation Organisation |
IFP | Introductory Flight Pilot (EASA) |
IFR | Instrument Flight Rules |
IMC | Instrument Meteorological Conditions |
L&R | (BGA) Laws & Rules |
LAA | Light Aircraft Association |
LAPL(S) | Light Aeroplane Pilot Licence (Sailplane) (EASA) |
LoA | Letter of Agreement |
MATZ | Military Aerodrome Traffic Zone |
MG | Motor glider |
nm | nautical mile (1.15 miles, 1.85 km) |
NOTAM | Notice to Air Men |
NPPL | National Private Pilot Licence |
NST | Navigation Skills Test |
P1 | Pilot in command |
P2 | Pilot under supervision |
PDZ | Parachute Drop Zone |
PIC | Pilot in command |
PLB | Personal Locator Beacon |
PPL | Private Pilot Licence |
PPR | Prior Permission Required |
QFE | Pressure showing height above airfield or runway |
QNH | Pressure showing height above mean sea level |
RA(T) | Restricted Area (Temporary) airspace |
RotA | Rules of the Air (UK CAA) |
RT | Radio telephony |
SEP | Single engine piston aircraft |
SERA | Standardised European Rules of the Air |
SGA | Scottish Gliding Association |
SGC | Scottish Gliding Centre (the airfield & club) |
SGU | Scottish Gliding Union (the company) |
SLMG | Self-launching motor glider |
SPL | Sailplane Pilot Licence (EASA) |
SSEA | Simple Single Engine Aircraft (UK NPPL) |
SSR | Secondary surveillance radar |
TMA | Terminal Manoeuvring Area |
TMG | Touring Motor Glider |
TMZ | Transponder Mandatory Zone |
TRA(G) | Temporary Reserved Area (Gliding) airspace |
UL91 | Unleaded Avgas (91 octane) |
VFR | Visual Flight Rules |
VMC | Visual meteorological conditions |
VNE | Velocity Never to be Exceeded |