Apparatus

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sensors Mode-S transponder

0A003A

ICAO 24-bit transponder address · allocated to Algeria

Currently assigned to 7T-VUJ · ATR-72-500

Hex
0A003A
Octal
02400072
Decimal
655,418
Country
DZ
Tail
7T-VUJ
Type
AT75
No current signal · last broadcast 2h ago
Flights observed
91
Distinct callsigns
20
Country
DZ
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 0A003A.

Country allocation

The ICAO 24-bit address 0A003A 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
DAH6140 Air Algerie 5 2026-06-18
DAH6183 Air Algerie 4 2026-06-18
DAH6141 Air Algerie 4 2026-06-19
DAH6039 - 4 2026-06-27
DAH6038 Air Algerie 4 2026-06-27
DAH6185 - 3 2026-06-27
DAH6182 - 3 2026-06-18
DAH6181 - 3 2026-06-30
DAH6180 - 3 2026-06-30
DAH6175 Air Algerie 3 2026-06-12
DAH6389 Air Algerie 2 2026-05-18
DAH6388 - 2 2026-06-24
DAH6257 Air Algerie 2 2026-06-02
DAH6184 - 2 2026-06-26
DAH6173 Air Algerie 2 2026-06-30
DAH6143 Air Algerie 2 2026-06-13
DAH6142 Air Algerie 2 2026-06-12
DAH7000 - 1 2026-05-06
DAH6478 - 1 2026-05-25
DAH6401 - 1 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-30 DAH6173 AAE → ALG Jun 30, 13:55 UTCJun 30, 14:25 UTC30m
2026-06-30 DAH6172 - Jun 30, 11:25 UTCJun 30, 11:40 UTC15m
2026-06-30 DAH6181 - Jun 30, 09:10 UTCJun 30, 09:55 UTC45m
2026-06-30 DAH6180 - Jun 30, 08:05 UTCJun 30, 08:20 UTC15m
2026-06-29 DAH6045 BSK → ALG Jun 29, 17:55 UTCJun 29, 18:10 UTC15m
2026-06-29 DAH6191 - Jun 29, 08:19 UTCJun 29, 08:39 UTC20m
2026-06-27 DAH6039 - Jun 27, 16:10 UTCJun 27, 16:49 UTC40m
2026-06-27 DAH6038 ALG → BLJ Jun 27, 13:49 UTCJun 27, 14:25 UTC35m
2026-06-27 DAH6176 - Jun 27, 10:05 UTCJun 27, 10:29 UTC25m
2026-06-27 DAH6185 - Jun 27, 00:29 UTCJun 27, 01:19 UTC50m
2026-06-26 DAH6184 - Jun 26, 01:50 UTCJun 26, 02:30 UTC40m
2026-06-25 DAH6185 - Jun 25, 23:09 UTCJun 26, 00:05 UTC55m
2026-06-25 DAH6259 CZL → ALG Jun 25, 21:29 UTCJun 25, 21:44 UTC15m
2026-06-25 DAH6258 - Jun 25, 17:09 UTCJun 25, 17:49 UTC40m
2026-06-25 DAH6401 - Jun 25, 15:24 UTCJun 25, 15:44 UTC20m
2026-06-25 DAH6400 - Jun 25, 07:19 UTCJun 25, 07:54 UTC35m
2026-06-24 DAH6388 - Jun 24, 14:04 UTCJun 24, 14:45 UTC40m
2026-06-24 DAH6100 - Jun 24, 12:25 UTCJun 24, 13:00 UTC35m
2026-06-22 DAH6181 - Jun 22, 08:40 UTCJun 22, 09:10 UTC30m
2026-06-22 DAH6180 - Jun 22, 07:00 UTCJun 22, 07:19 UTC20m
2026-06-19 DAH6141 AZR → ALG Jun 19, 13:34 UTCJun 19, 13:44 UTC10m
2026-06-18 DAH6140 ALG → TMX Jun 18, 15:40 UTCJun 18, 16:40 UTC1h 0m
2026-06-18 DAH6183 ORN → ALG Jun 18, 12:45 UTCJun 18, 13:40 UTC55m
2026-06-18 DAH6182 - Jun 18, 10:45 UTCJun 18, 11:25 UTC40m
2026-06-18 DAH6193 CZL → ALG Jun 18, 08:20 UTCJun 18, 09:00 UTC40m
2026-06-17 DAH6037 BLJ → ALG Jun 17, 20:45 UTCJun 17, 21:20 UTC35m
2026-06-17 DAH6036 - Jun 17, 18:55 UTCJun 17, 19:30 UTC35m
2026-06-15 DAH6140 ALG → TMX Jun 15, 10:30 UTCJun 15, 11:00 UTC30m
2026-06-14 DAH6121 TLM → ALG Jun 14, 20:55 UTCJun 14, 22:00 UTC1h 5m
2026-06-14 DAH6120 ALG → TLM Jun 14, 18:50 UTCJun 14, 19:50 UTC1h 0m
2026-06-14 DAH6183 ORN → ALG Jun 14, 16:20 UTCJun 14, 16:55 UTC35m
2026-06-14 DAH6182 - Jun 14, 14:35 UTCJun 14, 15:15 UTC40m
2026-06-14 DAH6276 - Jun 14, 08:25 UTCJun 14, 09:35 UTC1h 10m
2026-06-13 DAH6038 ALG → BLJ Jun 13, 15:20 UTCJun 13, 15:40 UTC20m
2026-06-13 DAH6212 ALG → QSF Jun 13, 13:10 UTCJun 13, 13:30 UTC20m
2026-06-13 DAH6181 ORN → ALG Jun 13, 08:05 UTCJun 13, 08:45 UTC40m
2026-06-13 DAH6180 ALG → ORN Jun 13, 06:30 UTCJun 13, 06:55 UTC25m
2026-06-13 DAH6143 AZR → ALG Jun 13, 03:25 UTCJun 13, 04:05 UTC40m
2026-06-12 DAH6142 ALG → AZR Jun 12, 21:55 UTCJun 12, 22:55 UTC1h 0m
2026-06-12 DAH6175 AAE → ALG Jun 12, 17:15 UTCJun 12, 18:10 UTC55m
2026-06-12 DAH6173 AAE → ALG Jun 12, 12:50 UTCJun 12, 13:40 UTC50m
2026-06-12 DAH6171 AAE → ALG Jun 12, 07:20 UTCJun 12, 07:55 UTC35m
2026-06-12 DAH6185 ORN → ALG Jun 12, 02:15 UTCJun 12, 02:35 UTC20m
2026-06-09 DAH6141 AZR → ALG Jun 9, 13:25 UTCJun 9, 14:00 UTC35m
2026-06-08 DAH6140 ALG → TMX Jun 8, 09:25 UTCJun 8, 09:40 UTC15m
2026-06-05 DAH6141 AZR → ALG Jun 5, 16:20 UTCJun 5, 16:30 UTC10m
2026-06-04 DAH6140 ALG → TMX Jun 4, 19:40 UTCJun 4, 20:05 UTC25m
2026-06-02 DAH6175 AAE → ALG Jun 2, 17:20 UTCJun 2, 17:30 UTC10m
2026-06-02 DAH6257 CZL → ALG Jun 2, 12:15 UTCJun 2, 12:55 UTC40m
2026-06-01 DAH6170 ALG → AAE Jun 1, 05:45 UTCJun 1, 06:15 UTC30m

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

Mode-S 0A003A frequently asked

What is Mode-S code 0A003A?
0A003A is an ICAO 24-bit transponder address. Allocated to Algeria. Assigned to 7T-VUJ.
Where is Mode-S 0A003A registered?
Mode-S code 0A003A is allocated to Algeria (DZ). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0A003A broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0A003A, octal 02400072, decimal 655,418.
What flights does 0A003A operate?
Mode-S 0A003A has broadcast 20 distinct callsigns, including DAH6140, DAH6183, DAH6141, DAH6039, DAH6038.