Apparatus

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sensors Mode-S transponder

0900BB

ICAO 24-bit transponder address · allocated to Angola

Currently assigned to D2-TEG · BOEING 777-300ER

Hex
0900BB
Octal
02200273
Decimal
590,011
Country
AO
Tail
D2-TEG
Type
B77W
No current signal · last broadcast 6h ago
Flights observed
52
Distinct callsigns
15
Country
AO
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S 0900BB.

Country allocation

The ICAO 24-bit address 0900BB falls within the block assigned to Angola (AO) by ICAO Annex 10, Volume III. Every aircraft registered in Angola 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 15 distinct

Callsign Airline Flights Last seen
DTA653 TAAG Angola Airlines 11 2026-05-29
DTA652 TAAG Angola Airlines 11 2026-05-29
DTA702 - 5 2026-06-02
DTA703 - 4 2026-05-14
DTA583 TAAG Angola Airlines 3 2026-04-19
DTA578 TAAG Angola Airlines 3 2026-05-16
DTA577 TAAG Angola Airlines 3 2026-05-16
DTA584 - 2 2026-04-19
DTA580 TAAG Angola Airlines 2 2026-06-02
DTA579 TAAG Angola Airlines 2 2026-06-02
DTA576 TAAG Angola Airlines 2 2026-05-12
DTA575 TAAG Angola Airlines 1 2026-04-18
DTA574 - 1 2026-05-18
DTA053 - 1 2026-05-09
DTA052 - 1 2026-04-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-02 DTA702 - Jun 2, 22:05 UTCJun 2, 22:30 UTC25m
2026-06-02 DTA580 CPT → LAD Jun 2, 13:35 UTCJun 2, 16:45 UTC3h 10m
2026-06-02 DTA579 LAD → CPT Jun 2, 08:25 UTCJun 2, 11:50 UTC3h 25m
2026-05-31 DTA580 CPT → LAD May 31, 13:40 UTCMay 31, 16:50 UTC3h 10m
2026-05-31 DTA579 LAD → CPT May 31, 09:05 UTCMay 31, 12:20 UTC3h 15m
2026-05-29 DTA653 LIS → LAD May 29, 22:25 UTCMay 30, 05:00 UTC6h 35m
2026-05-29 DTA652 LAD → LIS May 29, 12:35 UTCMay 29, 19:35 UTC7h 0m
2026-05-28 DTA653 LIS → LAD May 28, 22:00 UTCMay 29, 04:35 UTC6h 35m
2026-05-28 DTA652 LAD → LIS May 28, 12:35 UTCMay 28, 19:35 UTC7h 0m
2026-05-27 DTA653 LIS → LAD May 27, 22:15 UTCMay 28, 04:55 UTC6h 40m
2026-05-27 DTA652 LAD → LIS May 27, 12:45 UTCMay 27, 19:50 UTC7h 5m
2026-05-25 DTA653 LIS → LAD May 25, 22:05 UTCMay 26, 04:45 UTC6h 40m
2026-05-25 DTA652 LAD → LIS May 25, 12:30 UTCMay 25, 19:25 UTC6h 54m
2026-05-24 DTA653 LIS → LAD May 24, 23:00 UTCMay 25, 04:50 UTC5h 50m
2026-05-24 DTA652 LAD → LIS May 24, 12:35 UTCMay 24, 19:35 UTC7h 0m
2026-05-23 DTA653 LIS → LAD May 23, 21:55 UTCMay 24, 04:30 UTC6h 35m
2026-05-23 DTA652 LAD → LIS May 23, 12:25 UTCMay 23, 19:30 UTC7h 5m
2026-05-22 DTA653 LIS → LAD May 22, 22:35 UTCMay 23, 05:15 UTC6h 40m
2026-05-22 DTA652 LAD → LIS May 22, 13:05 UTCMay 22, 20:00 UTC6h 55m
2026-05-21 DTA653 LIS → LAD May 21, 22:45 UTCMay 22, 05:25 UTC6h 40m
2026-05-21 DTA652 LAD → LIS May 21, 13:25 UTCMay 21, 20:15 UTC6h 50m
2026-05-20 DTA653 LIS → LAD May 20, 22:15 UTCMay 21, 05:00 UTC6h 45m
2026-05-20 DTA652 LAD → LIS May 20, 12:50 UTCMay 20, 19:55 UTC7h 5m
2026-05-18 DTA574 - May 18, 10:30 UTCMay 18, 16:05 UTC5h 35m
2026-05-16 DTA578 JNB → LAD May 16, 15:01 UTCMay 16, 15:31 UTC30m
2026-05-16 DTA577 LAD → JNB May 16, 09:06 UTCMay 16, 11:46 UTC2h 40m
2026-05-14 DTA703 - May 14, 21:50 UTCMay 15, 08:15 UTC10h 25m
2026-05-12 DTA702 - May 12, 21:50 UTCMay 13, 08:45 UTC10h 55m
2026-05-12 DTA576 JNB → LAD May 12, 04:00 UTCMay 12, 04:35 UTC35m
2026-05-10 DTA578 JNB → LAD May 10, 14:49 UTCMay 10, 15:24 UTC35m
2026-05-10 DTA577 LAD → JNB May 10, 12:10 UTCMay 10, 12:49 UTC40m
2026-05-09 DTA053 - May 9, 13:45 UTCMay 9, 13:55 UTC10m
2026-04-27 DTA052 - Apr 27, 11:15 UTCApr 27, 11:25 UTC10m
2026-04-26 DTA578 JNB → LAD Apr 26, 15:35 UTCApr 26, 16:05 UTC30m
2026-04-26 DTA577 LAD → JNB Apr 26, 13:30 UTCApr 26, 14:05 UTC35m
2026-04-21 DTA653 LIS → LAD Apr 21, 22:05 UTCApr 22, 04:35 UTC6h 30m
2026-04-21 DTA652 LAD → LIS Apr 21, 12:35 UTCApr 21, 19:45 UTC7h 10m
2026-04-20 DTA653 LIS → LAD Apr 20, 22:10 UTCApr 21, 04:50 UTC6h 40m
2026-04-20 DTA652 LAD → LIS Apr 20, 12:35 UTCApr 20, 19:40 UTC7h 5m
2026-04-19 DTA584 - Apr 19, 22:20 UTCApr 20, 01:40 UTC3h 20m
2026-04-19 DTA583 LAD → CPT Apr 19, 17:50 UTCApr 19, 21:05 UTC3h 15m
2026-04-19 DTA576 JNB → LAD Apr 19, 01:00 UTCApr 19, 01:30 UTC30m
2026-04-18 DTA575 LAD → JNB Apr 18, 19:50 UTCApr 18, 22:35 UTC2h 45m
2026-04-18 DTA584 - Apr 18, 01:55 UTCApr 18, 02:05 UTC10m
2026-04-17 DTA583 LAD → CPT Apr 17, 21:00 UTCApr 17, 21:10 UTC10m
2026-04-17 DTA583 LAD → CPT Apr 17, 18:00 UTCApr 17, 18:10 UTC10m
2026-04-17 DTA703 - Apr 17, 07:35 UTCApr 17, 08:10 UTC35m
2026-04-16 DTA703 - Apr 16, 21:55 UTCApr 16, 22:15 UTC20m
2026-04-16 DTA703 - Apr 16, 18:50 UTCApr 16, 19:00 UTC10m
2026-04-15 DTA702 - Apr 15, 09:10 UTCApr 15, 09:20 UTC10m

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 D2-TEG page for operator, model, and routing details .

Mode-S 0900BB frequently asked

What is Mode-S code 0900BB?
0900BB is an ICAO 24-bit transponder address. Allocated to Angola. Assigned to D2-TEG.
Where is Mode-S 0900BB registered?
Mode-S code 0900BB is allocated to Angola (AO). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0900BB broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0900BB, octal 02200273, decimal 590,011.
What flights does 0900BB operate?
Mode-S 0900BB has broadcast 15 distinct callsigns, including DTA653, DTA652, DTA702, DTA703, DTA583.