Apparatus

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sensors Mode-S transponder

06A159

ICAO 24-bit transponder address · allocated to Qatar

Currently assigned to A7-AJF · AIRBUS A-321neo

Hex
06A159
Octal
01520531
Decimal
434,521
Country
QA
Tail
A7-AJF
Type
A21N
No current signal · last broadcast 8h ago
Flights observed
130
Distinct callsigns
16
Country
QA
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S 06A159.

Country allocation

The ICAO 24-bit address 06A159 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 16 distinct

Callsign Airline Flights Last seen
IGO32Y - 24 2026-06-06
IGO25H IndiGo Airlines 19 2026-06-07
IGO15H - 16 2026-06-13
IGO28F - 14 2026-06-14
IGO51C IndiGo Airlines 10 2026-06-15
IGO46V - 10 2026-06-14
IGO19M - 7 2026-06-14
IGO1323 IndiGo Airlines 6 2026-06-15
IGO1321 IndiGo Airlines 5 2026-06-06
IGO1316 IndiGo Airlines 5 2026-06-15
IGO41U IndiGo Airlines 4 2026-06-14
IGO1322 IndiGo Airlines 4 2026-06-06
IGO67V IndiGo Airlines 2 2026-05-02
IGO1313 IndiGo Airlines 2 2026-05-04
IGO53M IndiGo Airlines 1 2026-05-29
IGO1315 IndiGo Airlines 1 2026-06-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-15 IGO1316 DOH → HYD Jun 15, 19:30 UTCJun 16, 00:24 UTC4h 55m
2026-06-15 IGO1323 COK → DOH Jun 15, 11:05 UTCJun 15, 11:15 UTC10m
2026-06-15 IGO51C BOM → DXB Jun 15, 09:10 UTCJun 15, 09:25 UTC15m
2026-06-14 IGO41U HYD → DED Jun 14, 23:10 UTCJun 14, 23:44 UTC35m
2026-06-14 IGO46V - Jun 14, 18:00 UTCJun 14, 20:55 UTC2h 55m
2026-06-14 IGO19M - Jun 14, 05:40 UTCJun 14, 12:05 UTC6h 25m
2026-06-14 IGO28F - Jun 14, 03:25 UTCJun 14, 03:35 UTC10m
2026-06-13 IGO28F - Jun 13, 23:45 UTCJun 14, 01:05 UTC1h 20m
2026-06-13 IGO15H - Jun 13, 18:10 UTCJun 13, 21:55 UTC3h 45m
2026-06-12 IGO28F - Jun 12, 23:15 UTCJun 13, 00:35 UTC1h 20m
2026-06-12 IGO15H - Jun 12, 18:40 UTCJun 12, 21:45 UTC3h 5m
2026-06-11 IGO1315 HYD → DOH Jun 11, 23:35 UTCJun 12, 14:15 UTC14h 41m
2026-06-11 IGO46V DOH → BOM Jun 11, 18:40 UTCJun 11, 21:40 UTC3h 0m
2026-06-11 IGO19M - Jun 11, 05:05 UTCJun 11, 12:10 UTC7h 5m
2026-06-10 IGO41U HYD → DED Jun 10, 23:15 UTCJun 11, 00:00 UTC45m
2026-06-10 IGO46V - Jun 10, 19:55 UTCJun 10, 21:05 UTC1h 10m
2026-06-09 IGO46V - Jun 9, 23:50 UTCJun 10, 21:05 UTC21h 15m
2026-06-09 IGO46V - Jun 9, 07:25 UTCJun 9, 21:10 UTC13h 45m
2026-06-08 IGO46V - Jun 8, 23:40 UTCJun 9, 21:10 UTC21h 30m
2026-06-08 IGO46V - Jun 8, 18:25 UTCJun 8, 21:25 UTC3h 0m
2026-06-08 IGO1323 COK → DOH Jun 8, 14:55 UTCJun 8, 15:04 UTC10m
2026-06-08 IGO51C BOM → DXB Jun 8, 09:15 UTCJun 8, 09:25 UTC10m
2026-06-07 IGO41U HYD → DED Jun 7, 23:10 UTCJun 7, 23:40 UTC30m
2026-06-07 IGO46V - Jun 7, 18:30 UTCJun 7, 21:20 UTC2h 50m
2026-06-07 IGO25H DXB → BOM Jun 7, 12:10 UTCJun 7, 12:45 UTC35m
2026-06-06 IGO1321 MAA → DOH Jun 6, 23:00 UTCJun 7, 10:25 UTC11h 25m
2026-06-06 IGO1322 DOH → MAA Jun 6, 11:14 UTCJun 6, 21:09 UTC9h 55m
2026-06-06 IGO32Y - Jun 6, 06:00 UTCJun 6, 09:39 UTC3h 40m
2026-06-05 IGO1321 MAA → DOH Jun 5, 23:00 UTCJun 6, 00:35 UTC1h 35m
2026-06-05 IGO1322 DOH → MAA Jun 5, 17:25 UTCJun 5, 21:10 UTC3h 45m
2026-06-05 IGO25H DXB → BOM Jun 5, 11:20 UTCJun 5, 11:50 UTC30m
2026-06-05 IGO32Y - Jun 5, 06:00 UTCJun 5, 09:45 UTC3h 45m
2026-06-04 IGO1321 MAA → DOH Jun 4, 23:10 UTCJun 5, 00:45 UTC1h 35m
2026-06-04 IGO25H DXB → BOM Jun 4, 11:50 UTCJun 4, 21:10 UTC9h 20m
2026-06-03 IGO32Y - Jun 3, 23:05 UTCJun 4, 10:05 UTC11h 0m
2026-06-03 IGO1322 DOH → MAA Jun 3, 19:40 UTCJun 3, 21:05 UTC1h 25m
2026-06-03 IGO51C BOM → DXB Jun 3, 09:25 UTCJun 3, 09:50 UTC25m
2026-06-03 IGO51C BOM → DXB Jun 3, 05:50 UTCJun 3, 06:40 UTC50m
2026-06-02 IGO1316 DOH → HYD Jun 2, 19:40 UTCJun 3, 00:50 UTC5h 10m
2026-06-01 IGO1316 DOH → HYD Jun 1, 23:10 UTCJun 2, 20:45 UTC21h 35m
2026-06-01 IGO46V - Jun 1, 20:25 UTCJun 1, 21:10 UTC45m
2026-06-01 IGO28F - Jun 1, 03:15 UTCJun 1, 03:20 UTC5m
2026-05-31 IGO28F - May 31, 23:30 UTCJun 1, 00:45 UTC1h 15m
2026-05-31 IGO15H - May 31, 17:55 UTCMay 31, 21:40 UTC3h 45m
2026-05-31 IGO25H DXB → BOM May 31, 11:10 UTCMay 31, 12:55 UTC1h 45m
2026-05-30 IGO32Y - May 30, 23:20 UTCMay 31, 09:05 UTC9h 45m
2026-05-30 IGO19M - May 30, 05:00 UTCMay 30, 21:40 UTC16h 40m
2026-05-29 IGO41U HYD → DED May 29, 23:00 UTCMay 29, 23:30 UTC30m
2026-05-29 IGO46V - May 29, 20:30 UTCMay 29, 21:15 UTC45m
2026-05-29 IGO53M BOM → LHR May 29, 14:15 UTCMay 29, 14:30 UTC15m

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

Mode-S 06A159 frequently asked

What is Mode-S code 06A159?
06A159 is an ICAO 24-bit transponder address. Allocated to Qatar. Assigned to A7-AJF.
Where is Mode-S 06A159 registered?
Mode-S code 06A159 is allocated to Qatar (QA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 06A159 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 06A159, octal 01520531, decimal 434,521.
What flights does 06A159 operate?
Mode-S 06A159 has broadcast 16 distinct callsigns, including IGO32Y, IGO25H, IGO15H, IGO28F, IGO51C.