Glossary/S

MH370 DECODED
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This index uses the Phonetic (spoken) Alphabet.

Alpha Bravo Charlie Delta Echo Foxtrot Golf Hotel India Juliet Kilo Lima Mike November Oscar Papa Quebec Romeo Sierra Tango Uniform Victor Whiskey X-ray Yankee Zulu


SAARU
Secondary Attitude and Air Data Reference Unit
SANYA
A city on Hainan Island (China)
SANYA FIR
Sanya flight information region, (ZJSA), administered by an air traffic control centre in Sanya on Hainan Island (China)
SAP
Safety Awareness Programme
SAR
Search And Rescue
SARP
SARPs
Standards and Recommended Practices
SAS
Synthetic Aperture Sonar
A sonar system which uses sophisticated post-processing of sonar data to combine a number of sonar pings to form an image with higher resolution than conventional sonar. (Source: ATSB)
SAT
Static Air Temperature
SATCOM
Satellite Communications
SATCOM WG
Satellite Communications Working Group
SDU
Satellite Data Unit
Secondary radar
Secondary (or en route) radar returns are dependent on a transponder in the aircraft to reply to an interrogation from a radar ground station. (Source: ATSB)
Seventh arc
Independent analysis of satellite communications and aircraft performance confirms MH370 will be found in close proximity to the arc labelled as the 7th arc. The arc extends from latitude 20 degrees south to latitude 39 degrees south. At the time MH370 reached this arc the aircraft is considered to have exhausted its fuel and to have been descending. (Source: ATSB)
Shadow Copy
A hidden file created by the Volume Shadow Copy Service in Microsoft Windows operating systems to enable a user to restore a file to a previous version. More Info
SID
SIDs
Standard Instrument Departure
SITA
Société Internationale de Télécommunications Aéronautiques
SITREP
Situation Report
SKMM
Suruhanjaya Komunikasi dan Multimedia Malaysia (Also known as MCMC - Malaysian Communications and Multimedia Commission)
SME
Site Maintenance Engineer


SMS
Short Message Service, a text message
SOP
SOPs
Standard Operating Procedures
SRU
Search and Rescue Unit
SSR
Secondary Surveillance Radar - A surveillance radar system which uses transmitters/receivers system (interrogators) and transponders.
STAR
STARs
Standard Instrument Arrival. A designated Instrument Flight Rule (IFR) arrival route linking a significant point, normally on an Air Traffic Service (ATS) route, with a point from which a published instrument approach procedure can be commenced.
Strayed aircraft
strayed aircraft
An aircraft that has deviated significantly from its intended track or which reports that it is lost.
SSWG
Search Strategy Working Group. Coordinated by the ATSB, the group of international satellite and aircraft specialists has been working towards defining the most probable position of MH370, at the time of the last satellite communications. (Source: ATSB)