sensors Mode-S transponder

06A12B

ICAO 24-bit transponder address · allocated to Qatar

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

Hex
06A12B
Octal
01520453
Decimal
434,475
Country
QA
Tail
A7-ANO
Type
A35K
No current signal · last broadcast 2h ago
Flights observed
163
Distinct callsigns
20
Country
QA
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 06A12B.

Country allocation

The ICAO 24-bit address 06A12B 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
QTR815 Qatar Airways 9 2026-05-29
QTR17E - 8 2026-05-14
QTR4E Qatar Airways 7 2026-04-29
QTR20V - 7 2026-06-13
QTR818 Qatar Airways 6 2026-05-29
QTR93V - 5 2026-07-14
QTR87Q Qatar Airways 5 2026-06-14
QTR29F - 5 2026-06-15
QTR90B - 4 2026-07-10
QTR8M Qatar Airways 4 2026-05-11
QTR7E - 4 2026-07-11
QTR778 - 4 2026-06-24
QTR5M Qatar Airways 4 2026-05-10
QTR35P - 4 2026-07-11
QTR16M Qatar Airways 4 2026-05-24
QTR003 - 4 2026-04-20
QTR99M Qatar Airways 3 2026-04-22
QTR5Q Qatar Airways 3 2026-07-06
QTR572 - 3 2026-06-17
QTR51U - 3 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 QTR93V - Jul 14, 08:30 UTCJul 14, 13:50 UTC5h 20m
2026-07-14 QTR93V - Jul 14, 06:20 UTCJul 14, 06:55 UTC35m
2026-07-14 QTR1157 - Jul 14, 02:50 UTCJul 14, 03:30 UTC40m
2026-07-14 QTR1156 - Jul 14, 00:10 UTCJul 14, 00:40 UTC30m
2026-07-13 QTR51U - Jul 13, 05:15 UTCJul 13, 18:05 UTC12h 50m
2026-07-11 QTR7E DOH → DFW Jul 11, 23:40 UTCJul 12, 14:55 UTC15h 15m
2026-07-11 QTR35P - Jul 11, 00:20 UTCJul 11, 16:00 UTC15h 40m
2026-07-10 QTR90B - Jul 10, 05:25 UTCJul 10, 21:40 UTC16h 15m
2026-07-09 QTR51U DFW → DOH Jul 9, 05:00 UTCJul 9, 20:00 UTC15h 0m
2026-07-08 QTR7E MAD → BSL Jul 8, 01:35 UTCJul 8, 14:55 UTC13h 20m
2026-07-07 QTR7E MAD → BSL Jul 7, 23:30 UTCJul 7, 23:55 UTC25m
2026-07-07 QTR73V SFO → DOH Jul 7, 01:00 UTCJul 7, 15:55 UTC14h 55m
2026-07-06 QTR5Q SAW → DOH Jul 6, 06:00 UTCJul 6, 22:20 UTC16h 20m
2026-07-05 QTR1237 - Jul 5, 22:45 UTCJul 5, 23:15 UTC30m
2026-07-05 QTR1236 - Jul 5, 19:25 UTCJul 5, 19:45 UTC20m
2026-07-04 QTR35P BUD → DOH Jul 4, 23:55 UTCJul 5, 15:15 UTC15h 20m
2026-07-04 QTR90B CPT → DOH Jul 4, 05:10 UTCJul 4, 21:15 UTC16h 5m
2026-07-03 QTR35P BUD → DOH Jul 3, 14:15 UTCJul 3, 14:50 UTC35m
2026-07-02 QTR35P BUD → DOH Jul 2, 23:55 UTCJul 3, 13:15 UTC13h 20m
2026-07-02 QTR90B CPT → DOH Jul 2, 06:41 UTCJul 2, 21:00 UTC14h 19m
2026-07-02 QTR90B CPT → DOH Jul 2, 05:00 UTCJul 2, 05:30 UTC30m
2026-07-01 QTR65B - Jul 1, 23:20 UTCJul 2, 02:15 UTC2h 55m
2026-07-01 QTR93W DOH → BOM Jul 1, 18:10 UTCJul 1, 21:10 UTC3h 0m
2026-07-01 QTR73V SFO → DOH Jul 1, 00:00 UTCJul 1, 15:10 UTC15h 10m
2026-06-30 QTR5Q SAW → DOH Jun 30, 06:45 UTCJun 30, 20:40 UTC13h 55m
2026-06-30 QTR5Q SAW → DOH Jun 30, 05:00 UTCJun 30, 05:30 UTC30m
2026-06-29 QTR859 - Jun 29, 16:59 UTCJun 30, 02:20 UTC9h 21m
2026-06-29 QTR858 - Jun 29, 07:25 UTCJun 29, 07:55 UTC30m
2026-06-28 QTR858 - Jun 28, 23:14 UTCJun 29, 06:40 UTC7h 25m
2026-06-28 QTR51U DFW → DOH Jun 28, 04:35 UTCJun 28, 18:55 UTC14h 20m
2026-06-26 QTR7E MAD → BSL Jun 26, 23:19 UTCJun 27, 14:35 UTC15h 15m
2026-06-26 QTR98E - Jun 26, 15:34 UTCJun 26, 20:55 UTC5h 20m
2026-06-26 QTR5X DOH → ALG Jun 26, 06:04 UTCJun 26, 11:24 UTC5h 20m
2026-06-26 QTR1157 - Jun 26, 02:14 UTCJun 26, 02:44 UTC30m
2026-06-25 QTR1156 - Jun 25, 23:39 UTCJun 26, 00:10 UTC30m
2026-06-24 QTR778 - Jun 24, 23:54 UTCJun 25, 13:55 UTC14h 0m
2026-06-24 QTR93V DOH → MIA Jun 24, 05:54 UTCJun 24, 20:44 UTC14h 50m
2026-06-23 QTR29R CDG → DOH Jun 23, 08:15 UTCJun 23, 14:10 UTC5h 55m
2026-06-22 QTR38P DOH → MAN Jun 22, 23:14 UTCJun 23, 05:29 UTC6h 15m
2026-06-22 QTR66X - Jun 22, 03:50 UTCJun 22, 17:40 UTC13h 50m
2026-06-20 QTR3V - Jun 20, 23:10 UTCJun 21, 13:54 UTC14h 45m
2026-06-20 QTR22B - Jun 20, 00:09 UTCJun 20, 14:39 UTC14h 30m
2026-06-19 QTR70E - Jun 19, 05:45 UTCJun 19, 20:29 UTC14h 45m
2026-06-18 QTR67H SKT → DOH Jun 18, 19:05 UTCJun 19, 01:19 UTC6h 14m
2026-06-17 QTR1F - Jun 17, 22:40 UTCJun 18, 16:35 UTC17h 55m
2026-06-17 QTR572 - Jun 17, 19:10 UTCJun 17, 20:50 UTC1h 40m
2026-06-17 QTR778 - Jun 17, 00:15 UTCJun 17, 13:50 UTC13h 35m
2026-06-16 QTR93V - Jun 16, 08:00 UTCJun 16, 20:30 UTC12h 31m
2026-06-15 QTR29F - Jun 15, 08:10 UTCJun 15, 14:30 UTC6h 20m
2026-06-15 QTR57W - Jun 15, 01:00 UTCJun 15, 06:15 UTC5h 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-ANO page for operator, model, and routing details .

Mode-S 06A12B frequently asked

What is Mode-S code 06A12B?
06A12B is an ICAO 24-bit transponder address. Allocated to Qatar. Assigned to A7-ANO.
Where is Mode-S 06A12B registered?
Mode-S code 06A12B is allocated to Qatar (QA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 06A12B 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 06A12B, octal 01520453, decimal 434,475.
What flights does 06A12B operate?
Mode-S 06A12B has broadcast 20 distinct callsigns, including QTR815, QTR17E, QTR4E, QTR20V, QTR818.