Bristell B23
Airplane Maintenance Manual
Chapter 02
Issue: 30-Sep-2020
Chapter 02 Page 5
02-20
Terminology and Abbreviations
Term
Meaning
ACCU
Accumulator
AEPS
Airframe Emergency Parachute System
ALT
Altimeter
ATC
Air Traffic Control
bar
pressure unit (1 bar = 14.5037 psi)
BEACON
anti-collision beacon
°C
temperature in degree of Celsius (1°C = (°F
- 32) / 1.8)
CAS
Calibrated Airspeed
CG
Centre of Gravity
COMM
Communication transmitter
EFIS
Electronic Flight Instrument System
ELT
Emergency Locator Transmitter
EMS
Engine Monitoring System
°F
temperature in degree of Fahrenheit (1°F = (°C x 1
.8) + 32)
ft
foot / feet (1 ft = 12 in = 0.3048 m = 304.8 mm)
ft/min
vertical speed in feet per minute
GPS
Global Positioning System
hp
power unit (1 hp = 0.7457 kW)
HTU
Horizontal Tail Unit
IAS
Indicated Airspeed
IC
Intercom
IFR
Instrument Flight Rules
in
inch (1 in = 25.4 mm)
ISA
International Standard Atmosphere
KCAS
Calibrated Airspeed in Knots
kg
kilogram (1 kg = 2.2046 lb)
KIAS
Indicated Airspeed in Knots
km/h
speed in kilometer per hour
knot
speed in NM per hour
kW
power unit (1 kW = 1.341 hp)
I
liter (1 l = 0.22 UK gal = 0.264 US gal)
lb
pounds (1 lb = 0.4536 kg)
lbf
force unit (1 lbf = 4.45 N)
m
meter (1 m = 1000 mm = 3.28 ft = 39.37 in)
mm
millimeter (1 mm = 0.03937 in)
MAC
Mean Aerodynamic Chord