Apparatus

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sensors Mode-S transponder

06A2E2

ICAO 24-bit transponder address · allocated to Qatar

Currently assigned to A7-BFU · BOEING 777-200LR

Hex
06A2E2
Octal
01521342
Decimal
434,914
Country
QA
Tail
A7-BFU
Type
B77L
No current signal · last broadcast 1h ago
Flights observed
268
Distinct callsigns
20
Country
QA
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 06A2E2.

Country allocation

The ICAO 24-bit address 06A2E2 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
QTR8400 Qatar Airways 8 2026-06-08
QTR8455 - 7 2026-07-05
QTR8160 Qatar Airways 7 2026-04-25
QTR8401 Qatar Airways 6 2026-06-08
QTR8147 Qatar Airways 6 2026-05-07
QTR8943 - 5 2026-07-10
QTR8421 - 5 2026-07-10
QTR8290 Qatar Airways 5 2026-04-27
QTR8232 Qatar Airways 5 2026-04-17
QTR8175 Qatar Airways 5 2026-06-22
QTR26A - 5 2026-04-27
QTR99E - 4 2026-06-24
QTR8960 Qatar Airways 4 2026-05-26
QTR8454 - 4 2026-07-05
QTR8270 - 4 2026-06-27
QTR8174 Qatar Airways 4 2026-06-21
QTR79L - 4 2026-04-14
QTR61C Qatar Airways 4 2026-05-28
QTR90G - 3 2026-07-14
QTR8919 Qatar Airways 3 2026-06-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 QTR90G - Jul 14, 08:25 UTCJul 14, 14:25 UTC6h 0m
2026-07-13 QTR30G - Jul 13, 20:00 UTCJul 14, 01:50 UTC5h 50m
2026-07-13 QTR40T - Jul 13, 09:55 UTCJul 13, 16:45 UTC6h 50m
2026-07-13 QTR8605 - Jul 13, 04:45 UTCJul 13, 07:20 UTC2h 35m
2026-07-12 QTR90A - Jul 12, 22:55 UTCJul 13, 02:01 UTC3h 5m
2026-07-12 QTR8953 - Jul 12, 14:20 UTCJul 12, 20:30 UTC6h 10m
2026-07-12 QTR8952 - Jul 12, 04:55 UTCJul 12, 10:45 UTC5h 50m
2026-07-11 QTR8282 - Jul 11, 18:55 UTCJul 12, 00:40 UTC5h 45m
2026-07-11 QTR8282 - Jul 11, 15:20 UTCJul 11, 16:30 UTC1h 10m
2026-07-11 QTR45A - Jul 11, 09:20 UTCJul 11, 13:10 UTC3h 50m
2026-07-11 QTR45A - Jul 11, 06:05 UTCJul 11, 09:15 UTC3h 10m
2026-07-10 QTR8421 - Jul 10, 22:10 UTCJul 11, 03:45 UTC5h 35m
2026-07-10 QTR8421 - Jul 10, 20:20 UTCJul 10, 20:35 UTC15m
2026-07-10 QTR8420 - Jul 10, 10:55 UTCJul 10, 17:25 UTC6h 30m
2026-07-10 QTR8943 - Jul 10, 03:10 UTCJul 10, 03:25 UTC15m
2026-07-09 QTR8943 - Jul 9, 21:20 UTCJul 10, 01:40 UTC4h 20m
2026-07-09 QTR8943 - Jul 9, 20:15 UTCJul 9, 20:30 UTC15m
2026-07-09 QTR8942 - Jul 9, 10:35 UTCJul 9, 16:10 UTC5h 35m
2026-07-09 QTR8731 - Jul 9, 07:40 UTCJul 9, 08:15 UTC35m
2026-07-09 QTR8730 - Jul 9, 03:30 UTCJul 9, 04:00 UTC30m
2026-07-08 QTR8256 - Jul 8, 14:35 UTCJul 8, 20:50 UTC6h 15m
2026-07-08 QTR8256 - Jul 8, 11:05 UTCJul 8, 12:45 UTC1h 40m
2026-07-08 QTR38J - Jul 8, 02:10 UTCJul 8, 08:50 UTC6h 40m
2026-07-07 QTR8421 - Jul 7, 23:05 UTCJul 7, 23:20 UTC15m
2026-07-07 QTR8421 - Jul 7, 16:35 UTCJul 7, 21:35 UTC5h 0m
2026-07-07 QTR8421 - Jul 7, 15:55 UTCJul 7, 16:05 UTC10m
2026-07-07 QTR8420 - Jul 7, 07:05 UTCJul 7, 13:45 UTC6h 40m
2026-07-07 QTR8420 - Jul 7, 03:10 UTCJul 7, 03:50 UTC40m
2026-07-06 QTR30G - Jul 6, 17:25 UTCJul 6, 23:15 UTC5h 50m
2026-07-06 QTR40T - Jul 6, 08:15 UTCJul 6, 14:30 UTC6h 15m
2026-07-05 QTR8455 - Jul 5, 16:15 UTCJul 5, 22:00 UTC5h 45m
2026-07-05 QTR8455 - Jul 5, 14:25 UTCJul 5, 14:35 UTC10m
2026-07-05 QTR8454 - Jul 5, 11:15 UTCJul 5, 11:50 UTC35m
2026-07-05 QTR8454 - Jul 5, 00:20 UTCJul 5, 01:05 UTC45m
2026-07-04 QTR79E - Jul 4, 16:20 UTCJul 4, 21:45 UTC5h 25m
2026-07-04 QTR8246 - Jul 4, 13:55 UTCJul 4, 14:35 UTC40m
2026-07-04 QTR72J - Jul 4, 03:55 UTCJul 4, 10:45 UTC6h 50m
2026-07-03 QTR8244 - Jul 3, 19:40 UTCJul 3, 23:05 UTC3h 25m
2026-07-03 QTR8244 - Jul 3, 16:00 UTCJul 3, 17:40 UTC1h 40m
2026-07-03 QTR8A - Jul 3, 08:50 UTCJul 3, 13:35 UTC4h 45m
2026-07-02 QTR8968 - Jul 2, 13:15 UTCJul 3, 05:05 UTC15h 50m
2026-07-02 QTR8955 - Jul 2, 04:10 UTCJul 2, 10:40 UTC6h 30m
2026-07-01 QTR8954 - Jul 1, 18:20 UTCJul 2, 01:25 UTC7h 5m
2026-07-01 QTR93M - Jul 1, 11:45 UTCJul 1, 16:20 UTC4h 35m
2026-07-01 QTR38Q - Jul 1, 04:30 UTCJul 1, 09:15 UTC4h 45m
2026-06-30 QTR8439 - Jun 30, 19:05 UTCJul 1, 02:00 UTC6h 55m
2026-06-30 QTR8439 - Jun 30, 18:20 UTCJun 30, 18:30 UTC10m
2026-06-30 QTR8438 GRU → VIX Jun 30, 15:35 UTCJun 30, 16:00 UTC25m
2026-06-30 QTR8438 GRU → VIX Jun 30, 08:05 UTCJun 30, 14:55 UTC6h 50m
2026-06-29 QTR8099 - Jun 29, 20:44 UTCJun 30, 02:45 UTC6h 1m

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

Mode-S 06A2E2 frequently asked

What is Mode-S code 06A2E2?
06A2E2 is an ICAO 24-bit transponder address. Allocated to Qatar. Assigned to A7-BFU.
Where is Mode-S 06A2E2 registered?
Mode-S code 06A2E2 is allocated to Qatar (QA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 06A2E2 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 06A2E2, octal 01521342, decimal 434,914.
What flights does 06A2E2 operate?
Mode-S 06A2E2 has broadcast 20 distinct callsigns, including QTR8400, QTR8455, QTR8160, QTR8401, QTR8147.