Apparatus

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sensors Mode-S transponder

80171A

ICAO 24-bit transponder address · allocated to India

Currently assigned to VT-IRY · AIRBUS A-321neo

Hex
80171A
Octal
40013432
Decimal
8,394,522
Country
IN
Tail
VT-IRY
Type
A21N
No current signal · last broadcast 12h ago
Flights observed
438
Distinct callsigns
20
Country
IN
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 80171A.

Country allocation

The ICAO 24-bit address 80171A falls within the block assigned to India (IN) by ICAO Annex 10, Volume III. Every aircraft registered in India 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
IGO6460 - 4 2026-07-03
IGO6079 IndiGo Airlines 4 2026-05-29
IGO573Y - 4 2026-06-10
IGO773 IndiGo Airlines 3 2026-05-19
IGO772 IndiGo Airlines 3 2026-05-18
IGO751 IndiGo Airlines 3 2026-05-17
IGO6951 - 3 2026-07-11
IGO6932 - 3 2026-07-07
IGO6746 - 3 2026-06-21
IGO672 IndiGo Airlines 3 2026-05-16
IGO6399 - 3 2026-06-18
IGO6379 IndiGo Airlines 3 2026-05-19
IGO626C - 3 2026-04-20
IGO6010 - 3 2026-07-03
IGO5342 - 3 2026-07-01
IGO5247 - 3 2026-07-13
IGO411Y - 3 2026-07-11
IGO373 IndiGo Airlines 3 2026-06-09
IGO357C - 3 2026-07-05
IGO355W - 3 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 IGO6294 - Jul 14, 05:10 UTCJul 14, 05:25 UTC15m
2026-07-14 IGO714 - Jul 14, 03:45 UTCJul 14, 04:10 UTC25m
2026-07-13 IGO556H - Jul 13, 12:45 UTCJul 13, 14:20 UTC1h 35m
2026-07-13 IGO5247 - Jul 13, 10:55 UTCJul 13, 11:10 UTC15m
2026-07-13 IGO5247 - Jul 13, 09:40 UTCJul 13, 10:00 UTC20m
2026-07-13 IGO409 - Jul 13, 08:35 UTCJul 13, 08:55 UTC20m
2026-07-12 IGO086 - Jul 12, 22:00 UTCJul 13, 01:30 UTC3h 30m
2026-07-12 IGO081 - Jul 12, 16:55 UTCJul 12, 20:05 UTC3h 10m
2026-07-12 IGO466W - Jul 12, 14:25 UTCJul 12, 15:10 UTC45m
2026-07-12 IGO2100 - Jul 12, 12:40 UTCJul 12, 12:55 UTC15m
2026-07-12 IGO173W - Jul 12, 10:01 UTCJul 12, 11:15 UTC1h 15m
2026-07-12 IGO604F - Jul 12, 07:20 UTCJul 12, 08:05 UTC45m
2026-07-12 IGO594 - Jul 12, 05:20 UTCJul 12, 05:40 UTC20m
2026-07-12 IGO754P - Jul 12, 01:50 UTCJul 12, 02:10 UTC20m
2026-07-11 IGO1202 - Jul 11, 20:15 UTCJul 11, 23:35 UTC3h 20m
2026-07-11 IGO1201 - Jul 11, 15:30 UTCJul 11, 18:25 UTC2h 55m
2026-07-11 IGO6951 - Jul 11, 13:25 UTCJul 11, 13:40 UTC15m
2026-07-11 IGO411Y - Jul 11, 08:50 UTCJul 11, 09:05 UTC15m
2026-07-11 IGO5091 - Jul 11, 02:25 UTCJul 11, 05:50 UTC3h 25m
2026-07-10 IGO322 - Jul 10, 19:30 UTCJul 10, 19:40 UTC10m
2026-07-10 IGO322 - Jul 10, 18:00 UTCJul 10, 18:35 UTC35m
2026-07-10 IGO413V - Jul 10, 15:00 UTCJul 10, 16:40 UTC1h 40m
2026-07-10 IGO612K - Jul 10, 08:45 UTCJul 10, 09:30 UTC45m
2026-07-10 IGO975P - Jul 10, 07:05 UTCJul 10, 07:40 UTC35m
2026-07-08 IGO594 - Jul 8, 05:25 UTCJul 8, 05:40 UTC15m
2026-07-08 IGO754P - Jul 8, 01:55 UTCJul 8, 02:10 UTC15m
2026-07-07 IGO32H - Jul 7, 17:15 UTCJul 7, 23:40 UTC6h 25m
2026-07-07 IGO6932 - Jul 7, 14:55 UTCJul 7, 15:35 UTC40m
2026-07-07 IGO6932 - Jul 7, 14:00 UTCJul 7, 14:10 UTC10m
2026-07-07 IGO615C - Jul 7, 11:25 UTCJul 7, 12:35 UTC1h 10m
2026-07-07 IGO074 - Jul 7, 00:05 UTCJul 7, 09:20 UTC9h 15m
2026-07-06 IGO512V - Jul 6, 17:05 UTCJul 6, 17:55 UTC50m
2026-07-06 IGO305Y - Jul 6, 12:55 UTCJul 6, 13:20 UTC25m
2026-07-06 IGO6234 - Jul 6, 08:35 UTCJul 6, 12:05 UTC3h 30m
2026-07-06 IGO6391 - Jul 6, 05:40 UTCJul 6, 07:35 UTC1h 55m
2026-07-05 IGO076 - Jul 5, 18:00 UTCJul 6, 03:50 UTC9h 50m
2026-07-05 IGO649Y - Jul 5, 15:15 UTCJul 5, 15:45 UTC30m
2026-07-05 IGO357C - Jul 5, 13:05 UTCJul 5, 13:55 UTC50m
2026-07-05 IGO274E - Jul 5, 10:10 UTCJul 5, 11:10 UTC1h 0m
2026-07-05 IGO234W - Jul 5, 07:05 UTCJul 5, 08:30 UTC1h 25m
2026-07-05 IGO2155 - Jul 5, 03:40 UTCJul 5, 04:10 UTC30m
2026-07-04 IGO5073 - Jul 4, 12:10 UTCJul 4, 12:40 UTC30m
2026-07-04 IGO2331 DEL → DEL Jul 4, 07:35 UTCJul 4, 11:05 UTC3h 30m
2026-07-04 IGO294Y - Jul 4, 04:40 UTCJul 4, 06:20 UTC1h 40m
2026-07-04 IGO2076 - Jul 4, 02:10 UTCJul 4, 02:50 UTC40m
2026-07-03 IGO93H - Jul 3, 21:20 UTCJul 4, 00:25 UTC3h 5m
2026-07-03 IGO43F - Jul 3, 15:55 UTCJul 3, 19:10 UTC3h 15m
2026-07-03 IGO6010 DEL → DEL Jul 3, 06:40 UTCJul 3, 12:35 UTC5h 55m
2026-07-03 IGO6460 DEL → DEL Jul 3, 00:25 UTCJul 3, 04:40 UTC4h 15m
2026-07-02 IGO267M DEL → DEL Jul 2, 14:05 UTCJul 2, 20:00 UTC5h 55m

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 VT-IRY page for operator, model, and routing details .

Mode-S 80171A frequently asked

What is Mode-S code 80171A?
80171A is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-IRY.
Where is Mode-S 80171A registered?
Mode-S code 80171A is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 80171A broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 80171A, octal 40013432, decimal 8,394,522.
What flights does 80171A operate?
Mode-S 80171A has broadcast 20 distinct callsigns, including IGO6460, IGO6079, IGO573Y, IGO773, IGO772.