Apparatus

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sensors Mode-S transponder

06A30B

ICAO 24-bit transponder address · allocated to Qatar

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

Hex
06A30B
Octal
01521413
Decimal
434,955
Country
QA
Tail
A7-BFX
Type
B77L
Broadcasting now · callsign QTR40T · 32,000 ft
Flights observed
318
Distinct callsigns
20
Country
QA
Last broadcast
Jul 26, 21:15 UTC

Current position

06A30B is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 06A30B 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
QTR8007 Qatar Airways 10 2026-07-18
QTR91Y Qatar Airways 8 2026-06-09
QTR8143 Qatar Airways 8 2026-06-08
QTR8101 Qatar Airways 8 2026-04-16
QTR35M Qatar Airways 8 2026-04-18
QTR8U Qatar Airways 7 2026-07-19
QTR8471 Qatar Airways 6 2026-07-23
QTR8470 Qatar Airways 6 2026-07-23
QTR90J - 5 2026-06-24
QTR8968 Qatar Airways 5 2026-06-14
QTR8282 Qatar Airways 5 2026-05-30
QTR8006 - 5 2026-07-23
QTR8953 - 4 2026-06-28
QTR8949 - 4 2026-07-08
QTR8479 Qatar Airways 4 2026-07-22
QTR8406 Qatar Airways 4 2026-06-06
QTR8358 Qatar Airways 4 2026-05-06
QTR8097 Qatar Airways 4 2026-07-22
QTR8096 Qatar Airways 4 2026-07-21
QTR55R Qatar Airways 4 2026-04-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 QTR8411 GRU → NVT Jul 26, 21:10 UTCJul 26, 21:15 UTC5m
2026-07-26 QTR8454 SLZ → GRU Jul 26, 18:45 UTCJul 26, 19:15 UTC30m
2026-07-25 QTR50V AMS → DOH Jul 25, 21:15 UTCJul 26, 03:25 UTC6h 10m
2026-07-25 QTR8253 ORK → LHR Jul 25, 17:20 UTCJul 25, 18:05 UTC45m
2026-07-25 QTR8253 ORK → LHR Jul 25, 11:05 UTCJul 25, 14:55 UTC3h 50m
2026-07-24 QTR8253 ORK → LHR Jul 24, 15:35 UTCJul 25, 14:45 UTC23h 10m
2026-07-23 QTR8006 - Jul 23, 21:25 UTCJul 24, 13:20 UTC15h 55m
2026-07-23 QTR8471 MEL → BNE Jul 23, 14:05 UTCJul 23, 19:50 UTC5h 45m
2026-07-23 QTR8471 MEL → BNE Jul 23, 12:15 UTCJul 23, 12:25 UTC10m
2026-07-23 QTR8470 BNE → PER Jul 23, 09:05 UTCJul 23, 09:40 UTC35m
2026-07-23 QTR8470 BNE → PER Jul 23, 03:15 UTCJul 23, 07:15 UTC4h 0m
2026-07-22 QTR8479 HKG → DOH Jul 22, 17:50 UTCJul 22, 23:30 UTC5h 40m
2026-07-22 QTR8479 HKG → DOH Jul 22, 16:00 UTCJul 22, 16:15 UTC15m
2026-07-22 QTR8097 MAD → LCG Jul 22, 13:40 UTCJul 22, 14:00 UTC20m
2026-07-22 QTR8097 MAD → LCG Jul 22, 04:50 UTCJul 22, 12:50 UTC8h 0m
2026-07-21 QTR8096 IKA → HKG Jul 21, 18:35 UTCJul 22, 01:40 UTC7h 5m
2026-07-21 QTR8096 IKA → HKG Jul 21, 15:35 UTCJul 21, 17:05 UTC1h 30m
2026-07-21 QTR8918 BNE → SYD Jul 21, 04:20 UTCJul 21, 10:10 UTC5h 50m
2026-07-20 QTR8153 ORD → LGG Jul 20, 17:40 UTCJul 21, 00:10 UTC6h 30m
2026-07-20 QTR8153 ORD → LGG Jul 20, 07:55 UTCJul 20, 15:50 UTC7h 55m
2026-07-19 QTR8U DUS → DOH Jul 19, 21:00 UTCJul 20, 05:05 UTC8h 5m
2026-07-19 QTR8U DUS → DOH Jul 19, 15:15 UTCJul 19, 19:25 UTC4h 10m
2026-07-19 QTR8367 - Jul 19, 03:25 UTCJul 19, 03:50 UTC25m
2026-07-19 QTR8592 DFW → MBJ Jul 19, 00:25 UTCJul 19, 01:20 UTC55m
2026-07-18 QTR8007 JFK → IAH Jul 18, 05:40 UTCJul 18, 19:30 UTC13h 50m
2026-07-17 QTR8007 JFK → IAH Jul 17, 23:20 UTCJul 18, 02:29 UTC3h 10m
2026-07-17 QTR8007 JFK → IAH Jul 17, 15:20 UTCJul 17, 20:55 UTC5h 35m
2026-07-16 QTR8006 - Jul 16, 20:55 UTCJul 17, 12:50 UTC15h 55m
2026-07-16 QTR8471 - Jul 16, 13:30 UTCJul 16, 19:05 UTC5h 35m
2026-07-16 QTR8471 - Jul 16, 11:45 UTCJul 16, 12:00 UTC15m
2026-07-16 QTR8470 - Jul 16, 08:45 UTCJul 16, 09:15 UTC30m
2026-07-16 QTR8470 - Jul 16, 01:10 UTCJul 16, 07:00 UTC5h 50m
2026-07-15 QTR8479 - Jul 15, 17:50 UTCJul 15, 23:15 UTC5h 25m
2026-07-15 QTR8479 - Jul 15, 15:55 UTCJul 15, 16:05 UTC10m
2026-07-15 QTR8097 - Jul 15, 12:50 UTCJul 15, 13:05 UTC15m
2026-07-15 QTR8097 - Jul 15, 04:20 UTCJul 15, 11:50 UTC7h 30m
2026-07-14 QTR8096 - Jul 14, 18:35 UTCJul 15, 01:55 UTC7h 19m
2026-07-14 QTR8096 - Jul 14, 15:35 UTCJul 14, 17:00 UTC1h 25m
2026-07-14 QTR8918 - Jul 14, 04:55 UTCJul 14, 10:55 UTC6h 0m
2026-07-12 QTR8477 - Jul 12, 16:15 UTCJul 12, 22:00 UTC5h 45m
2026-07-12 QTR8477 - Jul 12, 14:25 UTCJul 12, 14:40 UTC15m
2026-07-12 QTR8476 - Jul 12, 12:10 UTCJul 12, 12:30 UTC20m
2026-07-12 QTR8476 - Jul 12, 09:50 UTCJul 12, 10:01 UTC10m
2026-07-12 QTR8476 - Jul 12, 01:25 UTCJul 12, 07:55 UTC6h 30m
2026-07-11 QTR79E - Jul 11, 22:25 UTCJul 11, 23:00 UTC35m
2026-07-11 QTR79E - Jul 11, 17:10 UTCJul 11, 21:15 UTC4h 5m
2026-07-11 QTR8246 - Jul 11, 13:20 UTCJul 11, 13:55 UTC35m
2026-07-11 QTR72J - Jul 11, 03:40 UTCJul 11, 10:05 UTC6h 25m
2026-07-10 QTR8063 - Jul 10, 18:25 UTCJul 10, 18:55 UTC30m
2026-07-10 QTR8063 - Jul 10, 13:15 UTCJul 10, 17:05 UTC3h 50m

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

Mode-S 06A30B frequently asked

What is Mode-S code 06A30B?
06A30B is an ICAO 24-bit transponder address. Allocated to Qatar. Assigned to A7-BFX.
Where is Mode-S 06A30B registered?
Mode-S code 06A30B is allocated to Qatar (QA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 06A30B broadcasting right now?
Yes. Mode-S 06A30B is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 06A30B, octal 01521413, decimal 434,955.
What flights does 06A30B operate?
Mode-S 06A30B has broadcast 20 distinct callsigns, including QTR8007, QTR91Y, QTR8143, QTR8101, QTR35M.