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the Aviation Dictionary

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RML - radio microwave link

RMLR - RML repeater

RMLT - RML terminal

RMM - remote maintenance

monitoring

RMMS - remote maintenance

monitoring system

RMS - remote monitoring

subsystem

RMS - root mean square

RMSC - remote monitoring

subsystem concentrator

RNAV - area navigation

RNP - required navigation

performance

ROD - record of decision

ROSA -report

of service activity

ROT - runway occupancy time

RP -restoration

priority

RPC - restoration priority code

RPG - radar processing group

RPM - Revolutions per minute.

RPZ - runway protection zone

RR - low or medium frequency

radio range station

RRH - remote reading

hygrothermometer

RRHS - remote reading

hydrometer

RRWDS - remote radar weather

display

RRWSS - remote radar weather

display (RWDS) sensor site

RSS - remote speaking system

RT - remote transmitter

RT & BTL - radar tracking and

beacon tracking level

RTAD - remote tower

alphanumeric display

RTCA - Radio Technical

Commission for Aeronautics

RTM - resin transfer molding

RTOP - reserve takeoff power

RTR - remote

transmitterlreceiver

RTRD - remote tower radar

display

RVDT - rotary variable display

transmitter

RVR - runway visual range as

measured in the touchdown zone

area

RVV - runway visibility value

RW - runway

RWDS - remote radar weather

display

RWP - real time weather

processor

my -runway

SIG - starter-generator

SIS - sector suite

SAA - special activity airspace

SAC - Strategic Air Command

SAE - Society of Automotive

Engineers

SAFI - semi automatic flight

inspection

SAI - standby attitude indicator

SALS - short approach light

system

SAAR - special aircraft and

aircrew authorization required

SAR - search and rescue

SAS - stability augmentation

system

SAT - static air temperature

SATCOM - satellite

communications

SAWRS - Supplementary

Aviation Weather Reporting

System

SBC - surge bleed control

SCAT 1 DGPS - special

category 1 differential GPS

SCATANA - Security Control of

Air Traffic and Air Navigation

Aids

SCC - System Command Center

SCVTS - Switched Compressed

Video Telecommunications

Service

SD - radar weather report

Aircraft Technical Book Company

P.O. Box 270

Tabernash, CO 80478

http:llw.ACTechbooks.com

SDF - simplified direction

finding

SDF - simplified directional

facility

SDF - simplified directional

facility

SDF - software defined network

SDIS - switched digital

integrated service

SDP - service delivery point

SDS - switched data service

sec - second (time).

SEL - single event level

SELF - simplified short

approach lighting system with

sequenced flashing lights

SER - start end of runway

SFAR 38 -Special Federal

Aviation Regulation 38

SFC - Specific Fuel

Consumption.

sfc - surface

SFL - sequenced flashing lights

SFR - special flight rules

SG - Specific Gravity

SHF - super high Gequency

SHP - Shaft Horse Power.

SHPO - State Historic

Preservation Officer

SI - international system of units

SIAP - standard instrument

approach procedure

SIC - service initiation charge

SID - standard instrument

departure

SID - station identifier

SIF - stall indicator failure

SIGMET - significant

meteorological information

SIMMOD - airport and airspace

simulation model

SIP - state implementation plan

SM - statute mile

SMGC - surface movement

guidance and control

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