Apparatus

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sensors Mode-S transponder

0A001B

ICAO 24-bit transponder address · allocated to Algeria

Currently assigned to 7T-VJM · BOEING 737-800

Hex
0A001B
Octal
02400033
Decimal
655,387
Country
DZ
Tail
7T-VJM
Type
B738
No current signal · last broadcast 5h ago
Flights observed
315
Distinct callsigns
20
Country
DZ
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 0A001B.

Country allocation

The ICAO 24-bit address 0A001B falls within the block assigned to Algeria (DZ) by ICAO Annex 10, Volume III. Every aircraft registered in Algeria 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
DAH2055 - 25 2026-07-13
DAH2054 - 25 2026-07-13
DAH5011 Air Algerie 8 2026-06-10
DAH1008 - 6 2026-07-11
DAH6107 - 5 2026-07-07
DAH2005 - 5 2026-07-09
DAH2004 - 5 2026-07-09
DAH1287 Air Algerie 5 2026-06-05
DAH1286 Air Algerie 5 2026-06-05
DAH1215 Air Algerie 5 2026-06-11
DAH1214 Air Algerie 5 2026-06-11
DAH1009 - 5 2026-07-12
DAH5010 Air Algerie 4 2026-05-26
DAH1231 - 4 2026-07-09
DAH1230 - 4 2026-07-08
DAH1108 Air Algerie 4 2026-05-23
DAH6106 - 3 2026-06-27
DAH2071 - 3 2026-07-01
DAH2070 - 3 2026-07-01
DAH2057 Air Algerie 3 2026-06-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 DAH6026 - Jul 13, 21:50 UTCJul 13, 22:10 UTC20m
2026-07-13 DAH2055 - Jul 13, 18:00 UTCJul 13, 19:55 UTC1h 55m
2026-07-13 DAH2054 - Jul 13, 13:05 UTCJul 13, 15:10 UTC2h 5m
2026-07-12 DAH1173 - Jul 12, 20:05 UTCJul 12, 21:40 UTC1h 35m
2026-07-12 DAH1172 - Jul 12, 16:45 UTCJul 12, 18:15 UTC1h 30m
2026-07-12 DAH2027 - Jul 12, 13:15 UTCJul 12, 14:55 UTC1h 40m
2026-07-12 DAH2026 - Jul 12, 10:05 UTCJul 12, 11:30 UTC1h 25m
2026-07-12 DAH1009 - Jul 12, 05:45 UTCJul 12, 07:31 UTC1h 45m
2026-07-11 DAH1008 - Jul 11, 18:55 UTCJul 11, 20:55 UTC2h 0m
2026-07-11 DAH2055 - Jul 11, 14:50 UTCJul 11, 16:50 UTC2h 0m
2026-07-11 DAH2054 - Jul 11, 10:20 UTCJul 11, 12:45 UTC2h 25m
2026-07-11 DAH1311 - Jul 11, 06:45 UTCJul 11, 07:55 UTC1h 10m
2026-07-11 DAH1310 - Jul 11, 03:25 UTCJul 11, 04:50 UTC1h 25m
2026-07-10 DAH4705 - Jul 10, 11:30 UTCJul 10, 11:50 UTC20m
2026-07-09 - - Jul 9, 21:15 UTCJul 9, 21:25 UTC10m
2026-07-09 DAH2005 - Jul 9, 17:35 UTCJul 9, 18:00 UTC25m
2026-07-09 DAH2004 - Jul 9, 15:35 UTCJul 9, 16:10 UTC35m
2026-07-09 DAH1231 - Jul 9, 07:10 UTCJul 9, 09:00 UTC1h 50m
2026-07-08 DAH1230 - Jul 8, 18:30 UTCJul 8, 20:30 UTC2h 0m
2026-07-08 DAH2063 - Jul 8, 13:25 UTCJul 8, 15:25 UTC2h 0m
2026-07-08 DAH2062 - Jul 8, 09:30 UTCJul 8, 11:55 UTC2h 25m
2026-07-08 DAH6538 - Jul 8, 01:50 UTCJul 8, 06:45 UTC4h 55m
2026-07-08 DAH6193 - Jul 8, 00:00 UTCJul 8, 00:20 UTC20m
2026-07-07 DAH2055 - Jul 7, 14:20 UTCJul 7, 16:15 UTC1h 55m
2026-07-07 DAH2054 - Jul 7, 10:20 UTCJul 7, 12:30 UTC2h 10m
2026-07-07 DAH6107 - Jul 7, 05:20 UTCJul 7, 05:45 UTC25m
2026-07-07 DAH2021 - Jul 7, 00:10 UTCJul 7, 00:40 UTC30m
2026-07-06 DAH2020 - Jul 6, 22:30 UTCJul 6, 23:05 UTC35m
2026-07-06 DAH1069 - Jul 6, 20:10 UTCJul 6, 21:25 UTC1h 15m
2026-07-06 DAH1196 - Jul 6, 17:25 UTCJul 6, 18:30 UTC1h 5m
2026-07-06 DAH1197 - Jul 6, 15:20 UTCJul 6, 16:35 UTC1h 15m
2026-07-06 DAH1068 - Jul 6, 12:30 UTCJul 6, 14:00 UTC1h 30m
2026-07-06 DAH3025 - Jul 6, 07:40 UTCJul 6, 11:05 UTC3h 25m
2026-07-05 DAH3024 - Jul 5, 09:10 UTCJul 5, 12:25 UTC3h 15m
2026-07-04 DAH2021 - Jul 4, 20:55 UTCJul 4, 21:20 UTC25m
2026-07-04 DAH2020 - Jul 4, 18:50 UTCJul 4, 19:30 UTC40m
2026-07-04 DAH1081 - Jul 4, 15:45 UTCJul 4, 17:30 UTC1h 45m
2026-07-04 DAH1098 - Jul 4, 12:45 UTCJul 4, 14:25 UTC1h 40m
2026-07-04 DAH1099 - Jul 4, 09:20 UTCJul 4, 11:00 UTC1h 40m
2026-07-04 DAH1080 - Jul 4, 06:05 UTCJul 4, 07:45 UTC1h 40m
2026-07-03 DAH6255 - Jul 3, 23:05 UTCJul 3, 23:30 UTC25m
2026-07-03 DAH6254 - Jul 3, 20:45 UTCJul 3, 21:25 UTC40m
2026-07-03 DAH1081 - Jul 3, 17:55 UTCJul 3, 19:40 UTC1h 45m
2026-07-03 DAH1080 - Jul 3, 14:40 UTCJul 3, 16:20 UTC1h 40m
2026-07-03 DAH1061 - Jul 3, 11:05 UTCJul 3, 13:00 UTC1h 55m
2026-07-03 DAH1060 - Jul 3, 07:00 UTCJul 3, 09:15 UTC2h 15m
2026-07-02 DAH6388 - Jul 2, 21:10 UTCJul 3, 00:25 UTC3h 15m
2026-07-02 DAH1193 - Jul 2, 17:10 UTCJul 2, 18:40 UTC1h 30m
2026-07-02 DAH1192 - Jul 2, 14:05 UTCJul 2, 15:35 UTC1h 30m
2026-07-02 DAH2019 - Jul 2, 11:55 UTCJul 2, 12:50 UTC55m

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 7T-VJM page for operator, model, and routing details .

Mode-S 0A001B frequently asked

What is Mode-S code 0A001B?
0A001B is an ICAO 24-bit transponder address. Allocated to Algeria. Assigned to 7T-VJM.
Where is Mode-S 0A001B registered?
Mode-S code 0A001B is allocated to Algeria (DZ). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0A001B broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0A001B, octal 02400033, decimal 655,387.
What flights does 0A001B operate?
Mode-S 0A001B has broadcast 20 distinct callsigns, including DAH2055, DAH2054, DAH5011, DAH1008, DAH6107.