Glossary/B

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


B

B777
Boeing 777 aircraft
777-200ER
Boeing 777-200 Extended Range
777-200LR
Boeing 777-200 Long Range
Bathymetry
The study and mapping of sea floor topography. It involves obtaining measurements of the ocean depth and is equivalent to mapping topography on land. (Source: ATSB)
BEA
Bureau d’Enquêtes et d’Analyses (France)
BFO
Burst frequency offset. BFO is a measure of the difference between the expected frequency of a satellite transmission and the frequency received at the ground station. (Source: ATSB)
BITE
Built In Test Equipment
Blind transmission
A transmission from one station to another station in circumstances where two-way communications cannot be established but where it is believed that the called station is able to receive the transmission. (Source: Safety Investigation Report MH370/01/2018)
BTO
Burst Timing Offset. BTO is a measure of the time taken for a satellite transmission round trip (ground station to satellite to aircraft and back) and allows a calculation of the distance between the satellite and the aircraft. (Source: ATSB)