Apparatus

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sensors Mode-S transponder

06A087

ICAO 24-bit transponder address · allocated to Qatar

Currently assigned to A7-AHA · AIRBUS A-320

Hex
06A087
Octal
01520207
Decimal
434,311
Country
QA
Tail
A7-AHA
Type
A320
No current signal · last broadcast 6d ago
Flights observed
158
Distinct callsigns
20
Country
QA
Last broadcast
6d ago

Last known position

Most recent position reported by Mode-S 06A087.

Country allocation

The ICAO 24-bit address 06A087 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
QTR5U - 8 2026-07-11
QTR5A - 8 2026-07-10
QTR39B - 5 2026-07-20
QTR9U - 4 2026-07-18
QTR95P - 4 2026-07-21
QTR8E - 4 2026-07-18
QTR58K - 4 2026-07-13
QTR86V Qatar Airways 3 2026-07-24
QTR7R Qatar Airways 3 2026-06-26
QTR71A - 3 2026-07-05
QTR6U Qatar Airways 3 2026-07-24
QTR51L - 3 2026-07-13
QTR4N - 3 2026-06-26
QTR44G Qatar Airways 3 2026-07-21
QTR31E Qatar Airways 3 2026-07-24
QTR1121 - 3 2026-07-11
QTR1120 - 3 2026-07-11
QTR1067 - 3 2026-07-16
QTR1066 - 3 2026-07-16
QTR1050 Qatar Airways 3 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 QTR1202 DOH → ULH Jul 26, 04:25 UTCJul 26, 09:45 UTC5h 21m
2026-07-26 QTR50E - Jul 26, 00:40 UTCJul 26, 01:35 UTC55m
2026-07-25 QTR1W DOH → STN Jul 25, 17:40 UTCJul 25, 20:50 UTC3h 10m
2026-07-24 QTR31E TZX → DOH Jul 24, 18:55 UTCJul 24, 19:35 UTC40m
2026-07-24 QTR31E TZX → DOH Jul 24, 16:15 UTCJul 24, 16:30 UTC15m
2026-07-24 QTR86V DOH → GVA Jul 24, 14:25 UTCJul 24, 14:50 UTC25m
2026-07-24 QTR86V DOH → GVA Jul 24, 11:40 UTCJul 24, 12:15 UTC35m
2026-07-24 QTR6U ARN → DOH Jul 24, 08:35 UTCJul 24, 09:05 UTC30m
2026-07-23 QTR1174 DOH → MED Jul 23, 22:15 UTCJul 24, 03:55 UTC5h 40m
2026-07-23 QTR31E TZX → DOH Jul 23, 16:00 UTCJul 23, 19:20 UTC3h 20m
2026-07-23 QTR86V DOH → GVA Jul 23, 11:25 UTCJul 23, 14:35 UTC3h 10m
2026-07-22 QTR43X - Jul 22, 22:45 UTCJul 22, 23:20 UTC35m
2026-07-22 QTR1034 DOH → SHJ Jul 22, 15:50 UTCJul 22, 16:05 UTC15m
2026-07-21 QTR95P - Jul 21, 19:40 UTCJul 21, 23:30 UTC3h 50m
2026-07-21 QTR44G DOH → YUL Jul 21, 14:10 UTCJul 21, 14:50 UTC40m
2026-07-21 QTR1050 DOH → AUH Jul 21, 11:30 UTCJul 21, 12:05 UTC35m
2026-07-21 QTR6U ARN → DOH Jul 21, 08:40 UTCJul 21, 09:20 UTC40m
2026-07-21 QTR55W MXP → DOH Jul 21, 06:25 UTCJul 21, 07:00 UTC35m
2026-07-20 QTR39B - Jul 20, 17:10 UTCJul 21, 02:05 UTC8h 54m
2026-07-20 QTR54M - Jul 20, 10:10 UTCJul 20, 11:30 UTC1h 20m
2026-07-20 QTR42K DOH → JNB Jul 20, 04:30 UTCJul 20, 08:10 UTC3h 40m
2026-07-19 QTR22A - Jul 19, 19:15 UTCJul 19, 19:55 UTC40m
2026-07-19 QTR80J DOH → AUH Jul 19, 16:20 UTCJul 19, 17:05 UTC45m
2026-07-18 QTR95P - Jul 18, 17:30 UTCJul 18, 23:25 UTC5h 55m
2026-07-18 QTR9U - Jul 18, 14:45 UTCJul 18, 15:35 UTC50m
2026-07-18 QTR9U - Jul 18, 12:25 UTCJul 18, 13:15 UTC50m
2026-07-18 QTR8E - Jul 18, 07:45 UTCJul 18, 10:45 UTC3h 0m
2026-07-18 QTR17P DOH → ATQ Jul 18, 02:00 UTCJul 18, 02:50 UTC51m
2026-07-17 QTR1035 SHJ → DOH Jul 17, 17:35 UTCJul 17, 18:19 UTC45m
2026-07-17 QTR1034 - Jul 17, 15:15 UTCJul 17, 16:04 UTC50m
2026-07-17 QTR74N - Jul 17, 08:45 UTCJul 17, 12:40 UTC3h 55m
2026-07-16 QTR49F - Jul 16, 23:25 UTCJul 17, 03:10 UTC3h 45m
2026-07-16 QTR1067 SHJ → DOH Jul 16, 15:14 UTCJul 16, 16:00 UTC45m
2026-07-16 QTR1066 - Jul 16, 12:44 UTCJul 16, 13:25 UTC40m
2026-07-16 QTR1226 DOH → DOH Jul 16, 04:15 UTCJul 16, 10:50 UTC6h 35m
2026-07-15 QTR53G - Jul 15, 20:15 UTCJul 15, 20:50 UTC35m
2026-07-15 QTR9H - Jul 15, 17:20 UTCJul 15, 18:00 UTC40m
2026-07-15 QTR60B - Jul 15, 06:40 UTCJul 15, 15:10 UTC8h 30m
2026-07-14 QTR39B - Jul 14, 16:55 UTCJul 15, 01:50 UTC8h 54m
2026-07-14 QTR44G - Jul 14, 13:50 UTCJul 14, 14:30 UTC40m
2026-07-14 QTR1050 DOH → AUH Jul 14, 11:35 UTCJul 14, 12:15 UTC40m
2026-07-14 QTR1145 - Jul 14, 09:20 UTCJul 14, 10:05 UTC45m
2026-07-14 QTR4H - Jul 14, 05:40 UTCJul 14, 06:00 UTC20m
2026-07-13 QTR39B - Jul 13, 16:55 UTCJul 14, 02:00 UTC9h 5m
2026-07-13 QTR58K - Jul 13, 10:55 UTCJul 13, 14:35 UTC3h 40m
2026-07-13 QTR51L - Jul 13, 05:45 UTCJul 13, 09:25 UTC3h 40m
2026-07-12 QTR6K - Jul 12, 15:55 UTCJul 12, 16:30 UTC35m
2026-07-11 QTR95P - Jul 11, 17:25 UTCJul 12, 01:20 UTC7h 55m
2026-07-11 QTR1121 - Jul 11, 13:15 UTCJul 11, 14:00 UTC45m
2026-07-11 QTR1120 - Jul 11, 10:40 UTCJul 11, 11:30 UTC50m

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

Mode-S 06A087 frequently asked

What is Mode-S code 06A087?
06A087 is an ICAO 24-bit transponder address. Allocated to Qatar. Assigned to A7-AHA.
Where is Mode-S 06A087 registered?
Mode-S code 06A087 is allocated to Qatar (QA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 06A087 broadcasting right now?
No active broadcast right now. Last signal was 6d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 06A087, octal 01520207, decimal 434,311.
What flights does 06A087 operate?
Mode-S 06A087 has broadcast 20 distinct callsigns, including QTR5U, QTR5A, QTR39B, QTR9U, QTR95P.