RR Receiver.Ready
RRI Router.Reference.Implementation
RSDP Reliable Sequencing Delivery Confirmation
Protocol
RSN Regional.Subnetwork
RSP ( 1 ) Required Surveillance Performance .
(.2.).Reversion.Switch.Panel
RSSI Received.Signal.Strength.Indicator
RT (.1.).Radio.Telecommunication..
(.2.).Receiver-Transmitter.(R/T)..Also.referred.to.
as.a.transceiver..(See.T/R)
RTA (.1.).Receiver-Transmitter.Antenna..
( 2 ) Required Time of Arrival
RTC Real-Time.Clock
RTCA Radio.Technical.Commission.for.Aeronautics
RTCADO-60 RTCA.Document.160,.Environmental.Conditions.
and Test Procedures for Airborne Equipment,
Issued.12/04/89
RTCADO- RTCA.Document.178,.Software.Considerations.
in Airborne Systems and Equipment Certification,
issued.03/22/85
RTE Route
RTF Radio.telephony
RTI Real-Time.Interrogate
RTM Radio.Transmission.Module
RTP Reliability.Test.Plan
RTO Rejected.Takeoff
RTOS Real-Time Operating System
RTP Radio.Tuning.Panel RTR Remote.Transmitter.Receiver.Site RTS ( 1 ) Request To Send .
(.2.).Real-Time.Studio
RTSP Required Total System Performance
RTSS Rotable.Total.Service.Solutions.
RTTI Run-Time Type Identification
RTU Radio.Tuning.Unit:.A.control.for.tuning.
communication.and.navigation.radios.
RTW Real-Time.Workshop
RU Rack.Unit
Runway The.act.of.inadvertently.crossing.the.runway.
Incursion holding.point.without.ATC.clearance. RVDT Rotary.Voltage.Differential.Transducer RVR Runway.Visual.Range RVSM Reduced.Vertical.Separation.Minimum R/W Read/Write RW Runway RWM Read-Write.Memory..A.memory.in.which.each.cell.
is.selected.by.applying.appropriate.electrical.input. signals,.and.the.stored.data.may.be.either.sensed. at.the.appropriate.output.terminal.or.changes.in. response.to.other.electrical.input.signals.
RWS Reactive.Windshear.System
RWY Runway
Rx Receiver
RZ Return.to.Zero
S South
S0 Segment.0
S Segment.1
SA (.1.).Selective.Availability..
(.2.).Situation.Awareness SAA Service.Access.Area.(VHF.Cat.B.ACARS)
SAAAR Special Aircraft/Aircrew Authorization Required
SAARU Secondary.Attitude.Air.Data.Reference.Unit
SAE Society.of.Aeronautical.Engineers
SAI System.Architecture.and.Interface
SAL System.Address.Label.(ARINC.429)
SAMA Small.Aircraft.Manufacturers.Association
SAP Service.Access.Points
SAR Search.and.Rescue
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