Apparatus

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sensors Mode-S transponder

06A0B8

ICAO 24-bit transponder address · allocated to Qatar

Currently assigned to A7-BCT · BOEING 787-8 Dreamliner

Hex
06A0B8
Octal
01520270
Decimal
434,360
Country
QA
Tail
A7-BCT
Type
B788
No current signal · last broadcast 1h ago
Flights observed
178
Distinct callsigns
20
Country
QA
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 06A0B8.

Country allocation

The ICAO 24-bit address 06A0B8 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
QTR91R - 6 2026-06-28
QTR5U Qatar Airways 6 2026-05-04
QTR51V - 6 2026-06-29
QTR13H - 6 2026-07-13
QTR71L - 5 2026-07-13
QTR571 - 5 2026-06-29
QTR53A - 5 2026-06-23
QTR5A Qatar Airways 4 2026-05-03
QTR861 Qatar Airways 3 2026-06-11
QTR74C - 3 2026-04-15
QTR61E Qatar Airways 3 2026-05-17
QTR42U - 3 2026-07-14
QTR3B Qatar Airways 3 2026-04-15
QTR2Q Qatar Airways 3 2026-05-09
QTR1491 - 3 2026-07-10
QTR8T Qatar Airways 2 2026-06-20
QTR8K - 2 2026-07-06
QTR76X - 2 2026-07-08
QTR74M - 2 2026-04-28
QTR66E - 2 2026-04-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 QTR42U - Jul 14, 08:40 UTCJul 14, 15:40 UTC7h 0m
2026-07-13 QTR343 DOH → LIS Jul 13, 22:20 UTCJul 14, 05:45 UTC7h 25m
2026-07-13 QTR13H - Jul 13, 14:15 UTCJul 13, 18:25 UTC4h 10m
2026-07-13 QTR71L DOH → OTP Jul 13, 07:15 UTCJul 13, 11:15 UTC4h 0m
2026-07-12 QTR20H - Jul 12, 21:40 UTCJul 13, 04:30 UTC6h 50m
2026-07-12 QTR13H - Jul 12, 17:40 UTCJul 12, 18:20 UTC40m
2026-07-12 QTR13H - Jul 12, 14:15 UTCJul 12, 16:30 UTC2h 15m
2026-07-12 QTR71L - Jul 12, 08:01 UTCJul 12, 12:05 UTC4h 5m
2026-07-11 QTR8C - Jul 11, 18:15 UTCJul 12, 02:01 UTC7h 45m
2026-07-11 QTR42C - Jul 11, 07:50 UTCJul 11, 08:05 UTC15m
2026-07-11 QTR263 - Jul 11, 04:10 UTCJul 11, 04:30 UTC20m
2026-07-10 QTR1491 - Jul 10, 16:30 UTCJul 10, 20:05 UTC3h 35m
2026-07-09 QTR651 - Jul 9, 10:50 UTCJul 9, 14:20 UTC3h 30m
2026-07-09 QTR650 - Jul 9, 03:55 UTCJul 9, 07:20 UTC3h 25m
2026-07-08 QTR8W - Jul 8, 15:40 UTCJul 8, 21:35 UTC5h 55m
2026-07-08 QTR76X - Jul 8, 12:25 UTCJul 8, 13:20 UTC55m
2026-07-08 QTR76X - Jul 8, 07:25 UTCJul 8, 11:15 UTC3h 50m
2026-07-07 QTR71Y - Jul 7, 23:20 UTCJul 8, 05:15 UTC5h 55m
2026-07-07 QTR1G - Jul 7, 20:05 UTCJul 7, 20:50 UTC45m
2026-07-07 QTR9R - Jul 7, 16:00 UTCJul 7, 16:50 UTC50m
2026-07-07 QTR62W - Jul 7, 07:20 UTCJul 7, 13:50 UTC6h 30m
2026-07-06 QTR88Y DOH → EDI Jul 6, 22:35 UTCJul 7, 05:40 UTC7h 5m
2026-07-06 QTR2F - Jul 6, 14:05 UTCJul 6, 20:00 UTC5h 55m
2026-07-06 QTR8K - Jul 6, 05:25 UTCJul 6, 11:40 UTC6h 15m
2026-07-05 QTR48K BCN → DOH Jul 5, 21:05 UTCJul 6, 02:45 UTC5h 40m
2026-07-05 QTR6M DOH → CCU Jul 5, 12:50 UTCJul 5, 19:00 UTC6h 10m
2026-07-04 QTR59G - Jul 4, 16:20 UTCJul 5, 03:45 UTC11h 25m
2026-07-04 QTR1346 - Jul 4, 09:35 UTCJul 4, 10:15 UTC40m
2026-07-04 QTR25E DOH → NBO Jul 4, 03:30 UTCJul 4, 03:40 UTC10m
2026-07-03 QTR25E DOH → NBO Jul 3, 23:10 UTCJul 3, 23:30 UTC20m
2026-07-03 QTR1193 - Jul 3, 15:05 UTCJul 3, 20:55 UTC5h 50m
2026-07-03 QTR6G DOH → DOH Jul 3, 04:25 UTCJul 3, 11:00 UTC6h 35m
2026-07-02 QTR8Q - Jul 2, 11:10 UTCJul 2, 14:55 UTC3h 45m
2026-07-02 QTR49Q DOH → ATH Jul 2, 05:10 UTCJul 2, 09:05 UTC3h 55m
2026-07-01 QTR13H DOH → CCJ Jul 1, 14:20 UTCJul 1, 18:15 UTC3h 55m
2026-07-01 QTR71L - Jul 1, 07:00 UTCJul 1, 11:00 UTC4h 0m
2026-06-30 QTR9K - Jun 30, 21:45 UTCJun 30, 22:15 UTC30m
2026-06-30 QTR6K - Jun 30, 15:45 UTCJun 30, 16:15 UTC30m
2026-06-30 QTR196 - Jun 30, 07:15 UTCJun 30, 13:05 UTC5h 50m
2026-06-29 QTR195 - Jun 29, 23:05 UTCJun 30, 05:15 UTC6h 11m
2026-06-29 QTR56U - Jun 29, 17:24 UTCJun 29, 20:30 UTC3h 5m
2026-06-29 QTR79Q - Jun 29, 12:29 UTCJun 29, 14:44 UTC2h 15m
2026-06-29 QTR571 - Jun 29, 05:24 UTCJun 29, 08:35 UTC3h 10m
2026-06-29 QTR51V - Jun 29, 00:00 UTCJun 29, 03:25 UTC3h 25m
2026-06-28 QTR5J - Jun 28, 14:54 UTCJun 28, 21:30 UTC6h 35m
2026-06-28 QTR91R DOH → BHX Jun 28, 04:44 UTCJun 28, 11:59 UTC7h 15m
2026-06-27 QTR419 - Jun 27, 22:35 UTCJun 28, 01:19 UTC2h 45m
2026-06-27 QTR48Y - Jun 27, 17:49 UTCJun 27, 20:24 UTC2h 35m
2026-06-27 QTR42U - Jun 27, 14:25 UTCJun 27, 14:49 UTC25m
2026-06-27 QTR42U - Jun 27, 07:55 UTCJun 27, 11:20 UTC3h 25m

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

Mode-S 06A0B8 frequently asked

What is Mode-S code 06A0B8?
06A0B8 is an ICAO 24-bit transponder address. Allocated to Qatar. Assigned to A7-BCT.
Where is Mode-S 06A0B8 registered?
Mode-S code 06A0B8 is allocated to Qatar (QA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 06A0B8 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 06A0B8, octal 01520270, decimal 434,360.
What flights does 06A0B8 operate?
Mode-S 06A0B8 has broadcast 20 distinct callsigns, including QTR91R, QTR5U, QTR51V, QTR13H, QTR71L.