AC 43.13-1B

Appendix 2

4 RATram air turbine RCCBremote-control circuit breaker RCLrecall RCVRreceiver RCVR/XMTRreceiver/transmitter RDMIradio distance magnetic indicator RF (rf) radio frequency RFIradio-frequency interference RLSremote light sensor RMIradio magnetic indicator rpmrevolution per minute RTVroom temperature vulcanizing SAESociety of Automotive Engineers SATstatic air temperature SATCOMsatellite communication SCRsilicon-controlled rectifier SDIsource destination identifier SELCALselective calling system SER DLserial data link SGsymbol generator SITASociété International de Telecommunications Aeronautiques SMAWshielded metal arc welding SMDsurface mounted device SNRsignal-to-noise ratio SOLsolenoid SOLVsolenoid valve SOMstart of message SOTstart of transmission SPKRspeaker SPRsoftware problem report SQLsquelch SSBsingle sideband SSIDSupplemental Structural Inspection Documents SSMsign status matrix STsynchro transmitter STAT INVstatic inverter STBYstandby STCSupplemental Type Certificate SWswitch SYM GENsymbol generator T-Rtransformer-rectifier TATtrue air temperature TBDPtie bus differential protection TCType Certificate TCAStraffic alert and collision avoidance system TCDSType Certificate Data Sheets TDCtop dead center TFRtransfer TIGtungsten inert gas TMCthrust management computer TMSterminal marking sleeve TMSthrust management system TMSPthrust mode select panel TRUtransformer-rectifier unit TSOTechnical Standard Order TXPDRtransponder µmicro UBRutility bus relay UFunderfrequency UHFultrahigh frequency (300 MHz to 3 GHz) UNDFunderfrequency UNDVundervoltage USunderspeed USB (us)upper sideband USECmicroseconds UVundervoltage UVutraviolet V ac, Vac, or VACvolts alternating current V dc, Vdc, or VDC volts direct current Vvolts; voltage; vertical; valve VAvolt-amperes VARvolt-ampere reactive VFRvisual flight rules VHF (vhf) very high frequency (30 TO 300 MHz) VLSIvery large-scale integration VORVHF omnirange; visual omnirange VORTACVOR tactical air navigation VRvoltage regulator VRMSvolts root means square Wwatts WARNwarning WCPweather radar control panel WEAweather WEUwarning electronics unit power supply WPTwaypoint WX (WXR)weather radar XCVRtransceiver XDCRtransducer XFMRtransformer XFRtransfer XMITtransmit XMTRtransmitter XPDRtransponder

Appendix 3

APPENDIX 3. METRIC-BASED PREFIXES AND POWERS OF 10

Atto (a) = quintillionth of = 10 -18 times Femto (f) = quadrillionth of = 10 -15 times Pico (p), or µµ = trillionth of = 10 -12 times Nano (n), or mµ = billionth of = 10 -9 times Micro (µ) = millionth of = 10 -6 times Milli (m) = thousandth of = 10 -3 times` Centi (c) = hundredth of = 10 -2 times Deci (d) = tenth of = 10 -1 times unity = 10 0 = 1 Deka (da) = ten times = 10 times Hecto (h) = hundred times = 10 2 times Kilo (k) = thousand times = 10 3 times Mega (M) = million times = 10 6 times Giga (G), or kM = billion times = 10 9 times Tera (T) = trillion times = 10 12 times

Appendix 3