sensors Mode-S transponder

70209A

ICAO 24-bit transponder address · allocated to Bangladesh

Currently assigned to S2-AJU · BOEING 787-8 Dreamliner

Hex
70209A
Octal
34020232
Decimal
7,348,378
Country
BD
Tail
S2-AJU
Type
B788
No current signal · last broadcast 18h ago
Flights observed
5
Distinct callsigns
2
Country
BD
Last broadcast
18h ago

Last known position

Most recent position reported by Mode-S 70209A.

Country allocation

The ICAO 24-bit address 70209A 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 2 distinct

Callsign Airline Flights Last seen
BBC202 - 3 2026-04-13
BBC355 Biman Bangladesh Airlines 2 2026-04-14

Recent flights last 5

DateFlightRouteTakeoffLandingDuration
2026-04-14 BBC355 DAC → FCO Apr 14, 07:10 UTCApr 14, 08:15 UTC1h 5m
2026-04-14 BBC355 DAC → FCO Apr 14, 05:50 UTCApr 14, 07:10 UTC1h 20m
2026-04-13 BBC202 - Apr 13, 04:20 UTCApr 13, 04:50 UTC30m
2026-04-13 BBC202 - Apr 13, 00:40 UTCApr 13, 02:40 UTC2h 0m
2026-04-12 BBC202 - Apr 12, 17:45 UTCApr 12, 20:15 UTC2h 30m

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-AJU page for operator, model, and routing details .

Mode-S 70209A frequently asked

What is Mode-S code 70209A?
70209A is an ICAO 24-bit transponder address. Allocated to Bangladesh. Assigned to S2-AJU.
Where is Mode-S 70209A registered?
Mode-S code 70209A is allocated to Bangladesh (BD). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 70209A broadcasting right now?
No active broadcast right now. Last signal was 18h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 70209A, octal 34020232, decimal 7,348,378.
What flights does 70209A operate?
Mode-S 70209A has broadcast 2 distinct callsigns, including BBC202, BBC355.