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LAT |
latitude |
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LCD |
liquid crystal display |
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LIB |
left inboard |
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LCN |
load classification number |
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L/G |
landing gear |
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LGCIU |
landing gear control interface unit |
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LGPIU |
landing gear position indicator unit |
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LIS |
localiser inertial smoothing |
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LNA |
low noise amplifier |
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LNAV |
lateral navigation |
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LOB |
left outboard |
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LOC |
localiser |
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LONG |
longitude |
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LP |
low pressure |
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LPC |
low pressure compressor |
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LPT |
low pressure turbine |
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LRRA |
low range radio altimeter |
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LRM |
line replaceable module |
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LRU |
line replaceable unit |
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LVP |
low visibility procedure |
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LW |
landing weight |
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m |
metre |
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Mach |
ratio of TAS to the current speed of sound |
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mb |
millibar |
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MAT |
maintenance access terminal |
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MCP |
module control panel |
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MCT |
maximum continuous thrust |
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MCDU |
multipurpose control and display unit |
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MCU |
modular concept unit |
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MDA |
minimum descent altitude |
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MEC |
main equipment centre |
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MEL |
minimum equipment list |
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MES |
main engine start |
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MFA |
memorised fault annunciator |
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MFD |
multi-function display |
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MGSCU |
main gear steering control unit |
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MLS |
microwave landing system |
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MLW |
maximum landing weight |
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MMEL |
master minimum equipment list |
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MMO |
maximum operating Mach |
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MRO |
maintenance, repair and overhaul |
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MRIU |
maintenance and recording interface unit |
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MSA |
minimum safe altitude |
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MSL |
mean sea level |
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MSU |
mode selector unit |
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MTBF |
mean time between failure |
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MTOW |
maximum take-off weight |
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MZFW |
minimum zero fuel weight |
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NAVAID |
navigational aid |
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NCD |
non-computed data |
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ND |
navigational display |
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NDB |
non-directional beacon |
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notam |
notice to airmen |
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NM |
nautical mile |
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NW |
nosewheel |
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OAT |
outside air temperature |
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OBRM |
onboard replaceable module |
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OEM |
original equipment manufacturer |
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OEU |
overhead electronics unit |
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OPAS |
overhead panel ARINC system |
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OPBC |
overhead panel bus controller |
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OPR |
once per revolution |
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OPU |
overspeed protection unit |
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OVBD |
overboard |
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OVHD |
overhead |
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OVHT |
overheat |
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OVRD |
override |
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OVSPD |
overspeed |
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oxy |
oxygen |
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