LNA Low Noise Amplifier
LNAV Lateral.Navigation
LO Low
LOB Left Outboard
LOC Localizer..The.lateral.guidance.portion.of.an.ILS.
system.
Lock-On The.condition.that.exists.when.the.DME.receives.
reply.pulses.to.at.least.50.percent.of.the.
interrogations..Valid.distance.information.is.then.
available.
LOFT Line Oriented Flight Training
LOM Locator Outer Marker. An NDB that is co-located
at.the.same.site.as.the.75.MHz.outer.marker.
beacon.
LON Longitude
LOP LORAN
LORAN C LOS
LP LPC LPDU LPT LPV LRA or LRRA
LRC LRM LRN LRR LRU LSB
LSC
LSD LS-DSAD LS-FRAD LSI
Line Of Position
Long.Range.Navigation..A.system.using.a.ground. facility.composed.of.a.master.station.and.a. slave.station..The.airborne.receiver.computes. the.position.of.the.aircraft.by.using.two.or.more.
received master-slave pairs of signals. LORAN-A operates at 1850, 1900, and 1950 kHz. LORAN-C operates at 100 kHz. LORA N-A was replaced by LORAN-C in 1980.
Long.Range.Navigation.System
(
1 ) Line Of Sight.
(
2 ) Line-Oriented Simulation
Linear.Polarization Low-Pressure.Compressor Link.Protocol.Data.Unit Low-Pressure.Turbine Localizer.Precision.Vertical (.1.).Low-Range.Radio.Altimeter.
(.2.).Line.Replaceable.Assembly Long.Range.Cruise Line.Replaceable.Module Long.Range.Navigation Long.Range.Radar Line.Replaceable.Unit (.1.).Lower.Sideband..The.lower.side.band.is.the.
difference in frequency between the AM carrier
signal.and.the.modulation.signal..
( 2 ) Least Significant Bit
Low.Speed.Cues:.Markings.on.the.airspeed.scale. associated.with.the.stall.speed.region.
Least Significant Digit
Low-Speed.Frame.Relay.Service.Access.Device Low-Speed.Frame.Relay.Access.Device Large.Scale.Integration
LSK Line.Select.Key
LSN Local.Subnetwork
LSP Link.State.PDU
LTC Lowest.Two-way.Channel
LTIR Long-Term.Image.Retention
LTP Left Top Plug. Identifies the plug on the rear
connector.of.an.avionics.unit.
LTVS Long-Term Verification Software
Lubber Line A fixed line placed on an indicator to indicate the
front-to-rear.axis.of.the.aircraft.
LV Lower.Sideband.Voice
LVDS Low-Voltage.Differential.Signaling
LVDT (.1.).Linear.Variable.Differential.Transformer..
(.2.).Linear.Voltage.Differential.Transducer.(used.
with.aircraft.control.surface.servos).
LVLCHG Level.Change
LVPS Low.Voltage.Power.Supply
LVTO Low Visibility Take-Off
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