Apparatus

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sensors Mode-S transponder

06A2E1

ICAO 24-bit transponder address · allocated to Qatar

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

Hex
06A2E1
Octal
01521341
Decimal
434,913
Country
QA
Tail
A7-BFT
Type
B77L
Broadcasting now · callsign QTR8172 · 3,425 ft
Flights observed
311
Distinct callsigns
20
Country
QA
Last broadcast
Jul 26, 20:55 UTC

Current position

06A2E1 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 06A2E1 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
QTR8358 Qatar Airways 7 2026-05-23
QTR8472 Qatar Airways 6 2026-06-13
QTR8960 Qatar Airways 5 2026-05-17
QTR8441 - 5 2026-07-18
QTR8435 - 5 2026-07-12
QTR8434 - 5 2026-07-12
QTR8359 Qatar Airways 5 2026-05-23
QTR8236 Qatar Airways 5 2026-06-03
QTR9G Qatar Airways 4 2026-06-30
QTR8984 Qatar Airways 4 2026-06-09
QTR8961 Qatar Airways 4 2026-05-18
QTR8473 Qatar Airways 4 2026-06-14
QTR8440 Qatar Airways 4 2026-07-18
QTR8415 Qatar Airways 4 2026-04-26
QTR8242 - 4 2026-07-13
QTR8099 - 4 2026-06-22
QTR8098 - 4 2026-06-21
QTR8035 Qatar Airways 4 2026-07-25
QTR8007 Qatar Airways 4 2026-06-17
QTR78F Qatar Airways 4 2026-06-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 QTR8408 SIN → HKG Jul 26, 20:30 UTCJul 26, 20:55 UTC25m
2026-07-26 QTR8408 SIN → HKG Jul 26, 13:15 UTCJul 26, 18:15 UTC5h 0m
2026-07-25 QTR8035 LGG → DOH Jul 25, 23:10 UTCJul 26, 04:30 UTC5h 20m
2026-07-25 QTR8035 LGG → DOH Jul 25, 06:20 UTCJul 26, 04:30 UTC22h 10m
2026-07-25 QTR8035 LGG → DOH Jul 25, 04:20 UTCJul 26, 04:15 UTC23h 55m
2026-07-25 QTR8403 HKG → DOH Jul 25, 02:45 UTCJul 26, 02:15 UTC23h 30m
2026-07-25 QTR8403 HKG → DOH Jul 25, 01:05 UTCJul 26, 00:15 UTC23h 10m
2026-07-24 QTR8402 DOH → HKG Jul 24, 14:15 UTCJul 24, 22:15 UTC8h 0m
2026-07-24 QTR8165 ORD → DOH Jul 24, 11:30 UTCJul 24, 12:05 UTC35m
2026-07-24 QTR8165 ORD → DOH Jul 24, 03:50 UTCJul 24, 07:05 UTC3h 15m
2026-07-23 QTR8165 ORD → DOH Jul 23, 17:35 UTCJul 24, 02:10 UTC8h 35m
2026-07-23 QTR8164 PTY → MST Jul 23, 14:20 UTCJul 23, 15:00 UTC40m
2026-07-23 QTR8164 PTY → MST Jul 23, 01:50 UTCJul 23, 11:20 UTC9h 30m
2026-07-22 QTR61C LGG → ORD Jul 22, 04:55 UTCJul 22, 23:50 UTC18h 55m
2026-07-22 QTR61C LGG → ORD Jul 22, 02:55 UTCJul 22, 23:50 UTC20h 55m
2026-07-21 QTR23C - Jul 21, 22:15 UTCJul 21, 22:55 UTC40m
2026-07-21 QTR49L - Jul 21, 01:35 UTCJul 21, 12:30 UTC10h 55m
2026-07-20 QTR57R FRA → DOH Jul 20, 15:10 UTCJul 20, 21:05 UTC5h 55m
2026-07-20 QTR75J DOH → BLR Jul 20, 05:45 UTCJul 20, 12:00 UTC6h 15m
2026-07-19 QTR8288 - Jul 19, 19:00 UTCJul 20, 00:45 UTC5h 45m
2026-07-19 QTR8288 LEJ → MXP Jul 19, 15:05 UTCJul 19, 16:15 UTC1h 10m
2026-07-18 QTR8287 - Jul 18, 23:25 UTCJul 19, 13:25 UTC14h 0m
2026-07-18 QTR8441 - Jul 18, 21:40 UTCJul 18, 21:55 UTC15m
2026-07-18 QTR8440 DOH → STN Jul 18, 13:00 UTCJul 18, 19:40 UTC6h 40m
2026-07-18 QTR8244 LGG → LYS Jul 18, 05:10 UTCJul 18, 08:50 UTC3h 40m
2026-07-18 QTR8094 LEI → MAD Jul 18, 00:15 UTCJul 18, 03:15 UTC3h 1m
2026-07-17 QTR8094 LEI → MAD Jul 17, 12:00 UTCJul 17, 22:10 UTC10h 10m
2026-07-17 QTR8362 LHR → OSL Jul 17, 03:34 UTCJul 17, 08:35 UTC5h 0m
2026-07-16 QTR35T - Jul 16, 23:55 UTCJul 17, 01:15 UTC1h 20m
2026-07-16 QTR8726 DOH → DWC Jul 16, 21:10 UTCJul 16, 21:50 UTC40m
2026-07-16 QTR8288 - Jul 16, 12:09 UTCJul 16, 18:40 UTC6h 30m
2026-07-16 QTR8287 - Jul 16, 09:25 UTCJul 16, 10:04 UTC40m
2026-07-16 QTR8287 DOH → LHR Jul 16, 00:15 UTCJul 16, 07:05 UTC6h 50m
2026-07-15 QTR8256 - Jul 15, 20:15 UTCJul 15, 21:00 UTC45m
2026-07-15 QTR8256 - Jul 15, 14:55 UTCJul 15, 19:20 UTC4h 25m
2026-07-15 QTR8256 - Jul 15, 11:25 UTCJul 15, 13:05 UTC1h 40m
2026-07-15 QTR38J - Jul 15, 02:10 UTCJul 15, 09:20 UTC7h 10m
2026-07-14 QTR8421 - Jul 14, 17:25 UTCJul 14, 23:05 UTC5h 39m
2026-07-14 QTR8421 - Jul 14, 15:40 UTCJul 14, 15:50 UTC10m
2026-07-14 QTR8420 - Jul 14, 07:00 UTCJul 14, 13:45 UTC6h 45m
2026-07-14 QTR8420 - Jul 14, 02:40 UTCJul 14, 03:25 UTC45m
2026-07-13 QTR8242 - Jul 13, 18:45 UTCJul 13, 23:35 UTC4h 50m
2026-07-13 QTR8242 BUD → VIE Jul 13, 15:20 UTCJul 13, 15:45 UTC25m
2026-07-13 QTR8P DOH → BUD Jul 13, 08:25 UTCJul 13, 13:00 UTC4h 35m
2026-07-12 QTR8435 - Jul 12, 23:10 UTCJul 13, 04:45 UTC5h 35m
2026-07-12 QTR8435 - Jul 12, 21:25 UTCJul 12, 21:35 UTC10m
2026-07-12 QTR8434 - Jul 12, 18:01 UTCJul 12, 18:30 UTC30m
2026-07-12 QTR8434 - Jul 12, 10:20 UTCJul 12, 16:15 UTC5h 55m
2026-07-12 QTR8817 - Jul 12, 07:10 UTCJul 12, 07:50 UTC40m
2026-07-12 QTR8816 - Jul 12, 05:01 UTCJul 12, 05:25 UTC25m

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

Mode-S 06A2E1 frequently asked

What is Mode-S code 06A2E1?
06A2E1 is an ICAO 24-bit transponder address. Allocated to Qatar. Assigned to A7-BFT.
Where is Mode-S 06A2E1 registered?
Mode-S code 06A2E1 is allocated to Qatar (QA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 06A2E1 broadcasting right now?
Yes. Mode-S 06A2E1 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 06A2E1, octal 01521341, decimal 434,913.
What flights does 06A2E1 operate?
Mode-S 06A2E1 has broadcast 20 distinct callsigns, including QTR8358, QTR8472, QTR8960, QTR8441, QTR8435.