sensors Mode-S transponder

06A12A

ICAO 24-bit transponder address · allocated to Qatar

Currently assigned to A7-ANN · AIRBUS A-350-1000

Hex
06A12A
Octal
01520452
Decimal
434,474
Country
QA
Tail
A7-ANN
Type
A35K
No current signal · last broadcast Jul 26, 12:15 UTC
Flights observed
174
Distinct callsigns
20
Country
QA
Last broadcast
Jul 26, 12:15 UTC

Last known position

Most recent position reported by Mode-S 06A12A.

Country allocation

The ICAO 24-bit address 06A12A falls within the block assigned to Qatar (QA) by ICAO Annex 10, Volume III. Every aircraft registered in Qatar 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
QTR93V - 13 2026-07-08
QTR778 - 10 2026-07-09
QTR5M Qatar Airways 7 2026-05-25
QTR40X - 6 2026-05-16
QTR22B Qatar Airways 6 2026-07-25
QTR93W - 5 2026-07-13
QTR858 Qatar Airways 5 2026-07-20
QTR74X - 5 2026-06-05
QTR66Y - 5 2026-06-05
QTR65B - 5 2026-07-14
QTR20V Qatar Airways 5 2026-05-18
QTR90B - 4 2026-07-21
QTR70E - 4 2026-07-12
QTR29F Qatar Airways 4 2026-05-31
QTR8M Qatar Airways 3 2026-05-01
QTR859 Qatar Airways 3 2026-07-20
QTR73V - 3 2026-07-15
QTR706 Qatar Airways 3 2026-06-11
QTR65R Qatar Airways 3 2026-06-07
QTR5Q - 3 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 QTR22B DOH → JFK Jul 25, 23:55 UTCJul 26, 12:15 UTC12h 21m
2026-07-24 QTR67H SKT → DOH Jul 24, 19:05 UTCJul 25, 01:15 UTC6h 10m
2026-07-24 QTR1F SFO → DOH Jul 24, 10:05 UTCJul 24, 16:35 UTC6h 30m
2026-07-23 QTR3255 YUL → DOH Jul 23, 08:00 UTCJul 23, 23:10 UTC15h 10m
2026-07-21 QTR90B - Jul 21, 05:00 UTCJul 21, 05:40 UTC40m
2026-07-20 QTR859 ICN → DOH Jul 20, 16:40 UTCJul 21, 02:00 UTC9h 20m
2026-07-20 QTR858 DOH → ICN Jul 20, 07:45 UTCJul 20, 08:15 UTC30m
2026-07-19 QTR858 DOH → ICN Jul 19, 23:40 UTCJul 20, 00:35 UTC55m
2026-07-19 QTR858 DOH → ICN Jul 19, 23:25 UTCJul 19, 23:35 UTC10m
2026-07-18 QTR22B DOH → JFK Jul 18, 23:40 UTCJul 19, 12:00 UTC12h 20m
2026-07-17 QTR419 - Jul 17, 22:35 UTCJul 18, 02:00 UTC3h 25m
2026-07-17 QTR48Y - Jul 17, 18:25 UTCJul 17, 20:25 UTC2h 0m
2026-07-16 QTR35P - Jul 16, 23:49 UTCJul 17, 15:29 UTC15h 40m
2026-07-16 QTR90B - Jul 16, 05:00 UTCJul 16, 11:45 UTC6h 45m
2026-07-15 QTR73V - Jul 15, 00:55 UTCJul 15, 16:25 UTC15h 30m
2026-07-14 QTR5Q - Jul 14, 05:45 UTCJul 14, 06:20 UTC35m
2026-07-14 QTR65B - Jul 14, 01:25 UTCJul 14, 01:50 UTC25m
2026-07-13 QTR65B - Jul 13, 23:10 UTCJul 13, 23:45 UTC35m
2026-07-13 QTR93W - Jul 13, 18:05 UTCJul 13, 21:05 UTC3h 0m
2026-07-13 QTR22B DFW → DOH Jul 13, 00:35 UTCJul 13, 15:20 UTC14h 45m
2026-07-12 QTR70E - Jul 12, 06:05 UTCJul 12, 06:45 UTC40m
2026-07-11 QTR51U DFW → DOH Jul 11, 05:15 UTCJul 11, 19:45 UTC14h 30m
2026-07-10 QTR7E MAD → BSL Jul 10, 02:30 UTCJul 10, 16:40 UTC14h 10m
2026-07-10 QTR7E MAD → BSL Jul 10, 00:40 UTCJul 10, 01:00 UTC20m
2026-07-09 QTR778 - Jul 9, 00:15 UTCJul 9, 12:15 UTC12h 0m
2026-07-08 QTR93V - Jul 8, 08:25 UTCJul 8, 20:50 UTC12h 25m
2026-07-08 QTR93V - Jul 8, 06:00 UTCJul 8, 06:30 UTC30m
2026-07-08 QTR859 - Jul 8, 01:35 UTCJul 8, 02:05 UTC30m
2026-07-07 QTR859 - Jul 7, 16:35 UTCJul 8, 00:15 UTC7h 40m
2026-07-07 QTR858 - Jul 7, 07:20 UTCJul 7, 07:50 UTC30m
2026-07-06 QTR858 - Jul 6, 23:15 UTCJul 7, 00:05 UTC50m
2026-07-06 QTR66X - Jul 6, 03:55 UTCJul 6, 17:20 UTC13h 25m
2026-07-04 QTR3V - Jul 4, 23:15 UTCJul 5, 13:45 UTC14h 30m
2026-07-04 QTR1155 - Jul 4, 19:50 UTCJul 4, 20:30 UTC40m
2026-07-04 QTR1154 - Jul 4, 17:20 UTCJul 4, 17:50 UTC30m
2026-07-03 QTR1X - Jul 3, 23:35 UTCJul 4, 13:50 UTC14h 15m
2026-07-03 QTR58G - Jul 3, 07:00 UTCJul 3, 21:00 UTC14h 0m
2026-07-03 QTR58G - Jul 3, 05:20 UTCJul 3, 05:50 UTC30m
2026-07-02 QTR778 - Jul 2, 01:05 UTCJul 2, 14:40 UTC13h 35m
2026-07-01 QTR93V DOH → MIA Jul 1, 06:25 UTCJul 1, 20:45 UTC14h 20m
2026-07-01 QTR3257 - Jul 1, 03:25 UTCJul 1, 04:10 UTC45m
2026-06-29 QTR1182 - Jun 29, 20:44 UTCJun 29, 21:09 UTC25m
2026-06-28 QTR68T SEA → DOH Jun 28, 23:54 UTCJun 29, 14:39 UTC14h 45m
2026-06-28 QTR21X - Jun 28, 05:20 UTCJun 28, 19:40 UTC14h 20m
2026-06-27 QTR1K DOH → DOH Jun 27, 19:05 UTCJun 28, 01:04 UTC6h 0m
2026-06-27 QTR35P BUD → DOH Jun 27, 01:09 UTCJun 27, 17:14 UTC16h 5m
2026-06-26 QTR90B CPT → DOH Jun 26, 05:19 UTCJun 26, 21:24 UTC16h 5m
2026-06-25 QTR25J - Jun 25, 18:24 UTCJun 26, 01:10 UTC6h 45m
2026-06-24 QTR22B DFW → DOH Jun 24, 23:50 UTCJun 25, 14:20 UTC14h 30m
2026-06-24 QTR70E - Jun 24, 05:15 UTCJun 24, 20:30 UTC15h 15m

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 A7-ANN page for operator, model, and routing details .

Mode-S 06A12A frequently asked

What is Mode-S code 06A12A?
06A12A is an ICAO 24-bit transponder address. Allocated to Qatar. Assigned to A7-ANN.
Where is Mode-S 06A12A registered?
Mode-S code 06A12A is allocated to Qatar (QA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 06A12A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 12:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 06A12A, octal 01520452, decimal 434,474.
What flights does 06A12A operate?
Mode-S 06A12A has broadcast 20 distinct callsigns, including QTR93V, QTR778, QTR5M, QTR40X, QTR22B.