Apparatus

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sensors Mode-S transponder

0A0053

ICAO 24-bit transponder address · allocated to Algeria

Currently assigned to 7T-VCO · DE HAVILLAND DHC-8-400 Dash 8

Hex
0A0053
Octal
02400123
Decimal
655,443
Country
DZ
Tail
7T-VCO
Type
DH8D
No current signal · last broadcast 2h ago
Flights observed
79
Distinct callsigns
20
Country
DZ
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 0A0053.

Country allocation

The ICAO 24-bit address 0A0053 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
DTH2353 Tassili Airlines 6 2026-05-25
DTH2352 Tassili Airlines 5 2026-05-25
DTH2320 Tassili Airlines 5 2026-05-30
DTH2408 Tassili Airlines 3 2026-06-03
DTH1202 - 3 2026-05-29
DTH2321 Tassili Airlines 2 2026-05-23
DTH2308 Tassili Airlines 2 2026-05-31
DTH2229 Tassili Airlines 2 2026-05-17
DTH2228 Tassili Airlines 2 2026-05-17
DTH2203 Tassili Airlines 2 2026-05-25
DTH2202 Tassili Airlines 2 2026-05-25
DTH2118 - 2 2026-04-21
DTH1211 - 2 2026-05-23
DTH1113 - 2 2026-05-29
1978 - 2 2026-05-19
1203 - 2 2026-05-13
DTH2247 Tassili Airlines 1 2026-04-26
DTH2246 Tassili Airlines 1 2026-04-26
DTH2117 Tassili Airlines 1 2026-04-26
DTH2116 Tassili Airlines 1 2026-04-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-04 1975 - Jun 4, 13:00 UTCJun 4, 13:10 UTC10m
2026-06-03 DTH2408 ALG → CBH Jun 3, 01:40 UTCJun 3, 02:05 UTC25m
2026-06-03 DTH2408 ALG → CBH Jun 3, 00:20 UTCJun 3, 00:55 UTC35m
2026-06-02 DTH2408 ALG → CBH Jun 2, 21:20 UTCJun 2, 22:05 UTC45m
2026-06-01 - - Jun 1, 16:55 UTCJun 1, 17:40 UTC45m
2026-06-01 - - Jun 1, 15:35 UTCJun 1, 16:00 UTC25m
2026-06-01 - - Jun 1, 11:35 UTCJun 1, 12:10 UTC35m
2026-06-01 DTH1710 - Jun 1, 10:15 UTCJun 1, 10:30 UTC15m
2026-06-01 DTH1708 - Jun 1, 05:55 UTCJun 1, 06:45 UTC50m
2026-05-31 DTH2308 ALG → TMX May 31, 22:35 UTCMay 31, 23:25 UTC50m
2026-05-31 DTH2308 ALG → TMX May 31, 20:50 UTCMay 31, 21:30 UTC40m
2026-05-30 DTH2320 ALG → AZR May 30, 19:10 UTCMay 30, 19:25 UTC15m
2026-05-30 DTH2320 ALG → AZR May 30, 15:00 UTCMay 30, 15:35 UTC35m
2026-05-30 DTH2320 ALG → AZR May 30, 13:35 UTCMay 30, 14:10 UTC35m
2026-05-29 DTH1202 - May 29, 14:35 UTCMay 29, 15:10 UTC35m
2026-05-29 DTH1202 - May 29, 13:30 UTCMay 29, 14:00 UTC30m
2026-05-29 DTH1113 - May 29, 09:05 UTCMay 29, 09:50 UTC45m
2026-05-28 DTH1110 - May 28, 16:40 UTCMay 28, 17:15 UTC35m
2026-05-28 2321 - May 28, 12:10 UTCMay 28, 13:00 UTC50m
2026-05-27 2320 - May 27, 12:50 UTCMay 27, 13:25 UTC35m
2026-05-26 - - May 26, 21:44 UTCMay 26, 22:20 UTC35m
2026-05-26 - - May 26, 20:29 UTCMay 26, 20:50 UTC20m
2026-05-26 DTH1402 - May 26, 11:24 UTCMay 26, 11:34 UTC10m
2026-05-25 DTH2203 ORN → ALG May 25, 17:10 UTCMay 25, 17:50 UTC40m
2026-05-25 DTH2352 AZR → ORN May 25, 15:35 UTCMay 25, 16:05 UTC30m
2026-05-25 DTH2353 ORN → AZR May 25, 11:35 UTCMay 25, 12:15 UTC40m
2026-05-25 DTH2202 ALG → ORN May 25, 09:50 UTCMay 25, 10:25 UTC35m
2026-05-24 - - May 24, 19:00 UTCMay 24, 19:25 UTC25m
2026-05-24 - - May 24, 17:40 UTCMay 24, 18:15 UTC35m
2026-05-24 DTH1201 - May 24, 03:35 UTCMay 24, 04:15 UTC40m
2026-05-23 DTH2321 AZR → ALG May 23, 20:00 UTCMay 23, 20:15 UTC15m
2026-05-23 DTH2353 ORN → AZR May 23, 15:45 UTCMay 23, 15:55 UTC10m
2026-05-23 DTH2320 ALG → AZR May 23, 10:00 UTCMay 23, 10:15 UTC15m
2026-05-23 DTH1211 - May 23, 08:00 UTCMay 23, 08:15 UTC15m
2026-05-22 DTH2113 CZL → ALG May 22, 11:20 UTCMay 22, 12:00 UTC41m
2026-05-21 DTH2112 ALG → CZL May 21, 15:15 UTCMay 21, 15:40 UTC25m
2026-05-20 1979 - May 20, 15:15 UTCMay 20, 15:30 UTC15m
2026-05-19 1978 - May 19, 17:15 UTCMay 19, 17:25 UTC10m
2026-05-19 1978 - May 19, 16:20 UTCMay 19, 16:35 UTC15m
2026-05-18 2203 - May 18, 18:20 UTCMay 18, 19:05 UTC44m
2026-05-18 2352 - May 18, 16:30 UTCMay 18, 17:10 UTC40m
2026-05-18 DTH2353 ORN → AZR May 18, 12:25 UTCMay 18, 13:05 UTC40m
2026-05-18 DTH2202 ALG → ORN May 18, 11:10 UTCMay 18, 11:25 UTC15m
2026-05-17 DTH2229 ORN → ALG May 17, 22:20 UTCMay 17, 22:40 UTC20m
2026-05-17 DTH2228 ALG → ORN May 17, 20:50 UTCMay 17, 21:25 UTC35m
2026-05-16 DTH1113 - May 16, 21:25 UTCMay 16, 21:55 UTC30m
2026-05-16 DTH1406 - May 16, 09:40 UTCMay 16, 10:05 UTC25m
2026-05-15 - - May 15, 09:10 UTCMay 15, 09:35 UTC25m
2026-05-14 - - May 14, 19:30 UTCMay 14, 19:55 UTC25m
2026-05-13 1203 - May 13, 10:30 UTCMay 13, 11:05 UTC35m

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

Mode-S 0A0053 frequently asked

What is Mode-S code 0A0053?
0A0053 is an ICAO 24-bit transponder address. Allocated to Algeria. Assigned to 7T-VCO.
Where is Mode-S 0A0053 registered?
Mode-S code 0A0053 is allocated to Algeria (DZ). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0A0053 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 0A0053, octal 02400123, decimal 655,443.
What flights does 0A0053 operate?
Mode-S 0A0053 has broadcast 20 distinct callsigns, including DTH2353, DTH2352, DTH2320, DTH2408, DTH1202.