Apparatus

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sensors Mode-S transponder

70204A

ICAO 24-bit transponder address · allocated to Bangladesh

Currently assigned to S2-AHM · BOEING 777-300ER

Hex
70204A
Octal
34020112
Decimal
7,348,298
Country
BD
Tail
S2-AHM
Type
B77W
No current signal · last broadcast 10h ago
Flights observed
83
Distinct callsigns
20
Country
BD
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S 70204A.

Country allocation

The ICAO 24-bit address 70204A falls within the block assigned to Bangladesh (BD) by ICAO Annex 10, Volume III. Every aircraft registered in Bangladesh receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
BBC136 Biman Bangladesh Airlines 7 2026-05-22
BBC138 Biman Bangladesh Airlines 6 2026-05-30
BBC7056 - 5 2026-04-15
BBC532 Biman Bangladesh Airlines 4 2026-05-07
BBC336 Biman Bangladesh Airlines 4 2026-05-31
BBC335 Biman Bangladesh Airlines 4 2026-06-02
BBC236 Biman Bangladesh Airlines 4 2026-04-30
BBC135 Biman Bangladesh Airlines 4 2026-05-31
BBC538 Biman Bangladesh Airlines 3 2026-05-24
BBC340 Biman Bangladesh Airlines 3 2026-05-14
BBC337 Biman Bangladesh Airlines 3 2026-05-15
BBC332 Biman Bangladesh Airlines 3 2026-05-18
BBC722 Biman Bangladesh Airlines 2 2026-04-16
BBC531 Biman Bangladesh Airlines 2 2026-05-19
BBC449 Biman Bangladesh Airlines 2 2026-05-04
BBC383 Biman Bangladesh Airlines 2 2026-05-23
BBC382 Biman Bangladesh Airlines 2 2026-05-23
BBC3402 Biman Bangladesh Airlines 2 2026-04-18
BBC3401 Biman Bangladesh Airlines 2 2026-04-18
BBC339 Biman Bangladesh Airlines 2 2026-05-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-02 BBC335 DAC → JED Jun 2, 13:40 UTCJun 2, 16:35 UTC2h 55m
2026-06-01 BBC3102 JED → DAC Jun 1, 10:15 UTCJun 2, 02:05 UTC15h 50m
2026-05-31 BBC336 JED → DAC May 31, 13:40 UTCJun 1, 05:20 UTC15h 40m
2026-05-31 BBC135 CGP → JED May 31, 11:45 UTCMay 31, 12:00 UTC15m
2026-05-30 BBC335 DAC → JED May 30, 13:40 UTCMay 30, 16:35 UTC2h 55m
2026-05-30 BBC138 CGP → DAC May 30, 04:50 UTCMay 30, 05:10 UTC20m
2026-05-29 BBC138 CGP → DAC May 29, 11:50 UTCMay 30, 03:10 UTC15h 20m
2026-05-29 BBC137 DAC → CGP May 29, 09:55 UTCMay 29, 10:10 UTC15m
2026-05-28 BBC356 FCO → DAC May 28, 18:35 UTCMay 29, 02:45 UTC8h 10m
2026-05-28 BBC355 DAC → FCO May 28, 06:05 UTCMay 28, 15:45 UTC9h 40m
2026-05-26 BBC338 MED → DAC May 26, 12:10 UTCMay 27, 03:04 UTC14h 55m
2026-05-25 BBC539 DAC → RUH May 25, 18:25 UTCMay 26, 07:59 UTC13h 35m
2026-05-24 BBC538 MED → DAC May 24, 20:20 UTCMay 25, 10:55 UTC14h 35m
2026-05-24 BBC585 SIN → DAC May 24, 09:25 UTCMay 24, 13:00 UTC3h 35m
2026-05-24 BBC584 DAC → SIN May 24, 02:15 UTCMay 24, 05:45 UTC3h 30m
2026-05-23 BBC383 KUL → DAC May 23, 14:45 UTCMay 23, 16:50 UTC2h 5m
2026-05-23 BBC383 KUL → DAC May 23, 13:40 UTCMay 23, 13:50 UTC10m
2026-05-23 BBC382 DAC → KUL May 23, 10:35 UTCMay 23, 10:55 UTC20m
2026-05-23 BBC382 DAC → KUL May 23, 07:30 UTCMay 23, 09:35 UTC2h 5m
2026-05-22 BBC336 JED → DAC May 22, 13:30 UTCMay 23, 04:20 UTC14h 50m
2026-05-22 BBC135 CGP → JED May 22, 11:35 UTCMay 22, 11:45 UTC10m
2026-05-22 BBC136 JED → CGP May 22, 05:50 UTCMay 22, 06:10 UTC20m
2026-05-21 BBC335 DAC → JED May 21, 12:30 UTCMay 21, 15:25 UTC2h 55m
2026-05-19 BBC531 DAC → JED May 19, 21:30 UTCMay 20, 12:05 UTC14h 36m
2026-05-19 BBC3020 JED → DAC May 19, 02:10 UTCMay 19, 16:45 UTC14h 35m
2026-05-18 BBC332 JED → DAC May 18, 08:50 UTCMay 18, 23:35 UTC14h 44m
2026-05-17 BBC336 JED → DAC May 17, 13:20 UTCMay 18, 04:15 UTC14h 55m
2026-05-17 BBC135 CGP → JED May 17, 11:05 UTCMay 17, 11:20 UTC15m
2026-05-17 BBC136 JED → CGP May 17, 06:25 UTCMay 17, 06:50 UTC25m
2026-05-16 BBC235 DAC → ZYL May 16, 13:21 UTCMay 17, 04:35 UTC15h 15m
2026-05-16 BBC235 DAC → ZYL May 16, 11:25 UTCMay 16, 11:41 UTC15m
2026-05-16 BBC138 CGP → DAC May 16, 04:55 UTCMay 16, 05:20 UTC25m
2026-05-15 BBC337 DAC → MED May 15, 12:10 UTCMay 16, 03:20 UTC15h 9m
2026-05-14 BBC340 RUH → DAC May 14, 20:05 UTCMay 15, 09:50 UTC13h 45m
2026-05-14 BBC340 RUH → DAC May 14, 04:51 UTCMay 14, 15:55 UTC11h 5m
2026-05-14 BBC339 DAC → RUH May 14, 02:45 UTCMay 14, 03:50 UTC1h 5m
2026-05-13 BBC332 JED → DAC May 13, 08:25 UTCMay 14, 00:30 UTC16h 5m
2026-05-12 BBC337 DAC → MED May 12, 12:05 UTCMay 13, 02:55 UTC14h 50m
2026-05-12 BBC138 CGP → DAC May 12, 06:30 UTCMay 12, 07:00 UTC30m
2026-05-11 BBC337 DAC → MED May 11, 14:15 UTCMay 12, 04:45 UTC14h 31m
2026-05-09 BBC531 DAC → JED May 9, 21:19 UTCMay 10, 12:00 UTC14h 40m
2026-05-09 BBC340 RUH → DAC May 9, 01:40 UTCMay 9, 15:30 UTC13h 50m
2026-05-07 BBC532 JED → DAC May 7, 21:10 UTCMay 8, 12:00 UTC14h 50m
2026-05-06 BBC532 JED → DAC May 6, 20:55 UTCMay 7, 11:45 UTC14h 50m
2026-05-04 BBC450 DMM → DAC May 4, 22:45 UTCMay 5, 03:30 UTC4h 45m
2026-05-04 BBC449 DAC → DMM May 4, 19:40 UTCMay 4, 19:50 UTC10m
2026-05-04 BBC449 DAC → DMM May 4, 14:10 UTCMay 4, 15:05 UTC55m
2026-05-03 BBC538 MED → DAC May 3, 19:55 UTCMay 4, 10:30 UTC14h 35m
2026-05-03 BBC537 DAC → MED May 3, 17:29 UTCMay 3, 17:45 UTC15m
2026-05-02 BBC339 DAC → RUH May 2, 20:05 UTCMay 3, 09:45 UTC13h 39m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the S2-AHM page for operator, model, and routing details .

Mode-S 70204A frequently asked

What is Mode-S code 70204A?
70204A is an ICAO 24-bit transponder address. Allocated to Bangladesh. Assigned to S2-AHM.
Where is Mode-S 70204A registered?
Mode-S code 70204A is allocated to Bangladesh (BD). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 70204A broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 70204A, octal 34020112, decimal 7,348,298.
What flights does 70204A operate?
Mode-S 70204A has broadcast 20 distinct callsigns, including BBC136, BBC138, BBC7056, BBC532, BBC336.