Apparatus

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sensors Mode-S transponder

801749

ICAO 24-bit transponder address · allocated to India

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

Hex
801749
Octal
40013511
Decimal
8,394,569
Country
IN
Tail
VT-ICY
Type
A21N
No current signal · last broadcast 5h ago
Flights observed
415
Distinct callsigns
20
Country
IN
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 801749.

Country allocation

The ICAO 24-bit address 801749 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
IGO429 IndiGo Airlines 9 2026-05-27
IGO1633 - 9 2026-06-29
IGO1631 - 7 2026-06-29
IGO874 IndiGo Airlines 6 2026-05-01
IGO355H - 6 2026-05-19
IGO1634 IndiGo Airlines 6 2026-06-29
IGO1632 - 6 2026-06-30
IGO97AH - 5 2026-05-13
IGO994P - 4 2026-05-20
IGO952 IndiGo Airlines 4 2026-04-15
IGO726 IndiGo Airlines 4 2026-05-23
IGO479 IndiGo Airlines 4 2026-05-23
IGO971P IndiGo Airlines 3 2026-04-29
IGO932 - 3 2026-06-15
IGO78C - 3 2026-06-30
IGO725 IndiGo Airlines 3 2026-05-23
IGO664 IndiGo Airlines 3 2026-05-15
IGO659 IndiGo Airlines 3 2026-05-23
IGO6041 IndiGo Airlines 3 2026-05-01
IGO58DR - 3 2026-05-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 IGO603Y - Jul 14, 08:25 UTCJul 14, 08:40 UTC15m
2026-07-14 IGO6513 - Jul 14, 03:30 UTCJul 14, 04:40 UTC1h 10m
2026-07-13 IGO319 - Jul 13, 07:50 UTCJul 13, 19:50 UTC12h 0m
2026-07-12 IGO6261 - Jul 12, 18:40 UTCJul 12, 19:10 UTC30m
2026-07-12 IGO6636 DEL → DEL Jul 12, 13:25 UTCJul 12, 17:25 UTC4h 0m
2026-07-12 IGO271C - Jul 12, 11:20 UTCJul 12, 11:55 UTC35m
2026-07-12 IGO6691 - Jul 12, 08:50 UTCJul 12, 09:50 UTC1h 0m
2026-07-12 IGO241H - Jul 12, 04:25 UTCJul 12, 07:01 UTC2h 35m
2026-07-11 IGO2706 - Jul 11, 23:50 UTCJul 12, 02:30 UTC2h 40m
2026-07-11 IGO2093 - Jul 11, 18:10 UTCJul 11, 18:55 UTC45m
2026-07-11 IGO2093 - Jul 11, 17:30 UTCJul 11, 17:40 UTC10m
2026-07-11 IGO2094 - Jul 11, 16:10 UTCJul 11, 16:25 UTC15m
2026-07-11 IGO2094 - Jul 11, 14:45 UTCJul 11, 15:25 UTC40m
2026-07-11 IGO437 - Jul 11, 12:30 UTCJul 11, 13:50 UTC1h 20m
2026-07-11 IGO6110 - Jul 11, 10:50 UTCJul 11, 11:05 UTC15m
2026-07-11 IGO6145 - Jul 11, 05:40 UTCJul 11, 06:05 UTC25m
2026-07-11 IGO203C - Jul 11, 02:50 UTCJul 11, 03:05 UTC15m
2026-07-10 IGO1402 - Jul 10, 19:15 UTCJul 10, 21:50 UTC2h 36m
2026-07-10 IGO1401 - Jul 10, 14:15 UTCJul 10, 16:45 UTC2h 30m
2026-07-10 IGO2012 - Jul 10, 11:55 UTCJul 10, 12:15 UTC20m
2026-07-10 IGO202V - Jul 10, 09:05 UTCJul 10, 11:10 UTC2h 5m
2026-07-10 IGO954W - Jul 10, 06:45 UTCJul 10, 07:00 UTC15m
2026-07-10 IGO954W - Jul 10, 05:25 UTCJul 10, 05:50 UTC25m
2026-07-10 IGO5303 DEL → COK Jul 10, 00:55 UTCJul 10, 03:35 UTC2h 40m
2026-07-09 IGO58AY - Jul 9, 14:30 UTCJul 9, 19:30 UTC5h 0m
2026-07-09 IGO728E - Jul 9, 09:35 UTCJul 9, 13:25 UTC3h 50m
2026-07-09 IGO735C - Jul 9, 07:00 UTCJul 9, 08:35 UTC1h 35m
2026-07-09 IGO326H - Jul 9, 04:35 UTCJul 9, 05:05 UTC30m
2026-07-08 IGO6024 - Jul 8, 23:45 UTCJul 9, 03:00 UTC3h 15m
2026-07-08 IGO2234 DEL → DEL Jul 8, 13:35 UTCJul 8, 17:25 UTC3h 50m
2026-07-08 IGO271C - Jul 8, 11:30 UTCJul 8, 12:20 UTC50m
2026-07-08 IGO241H - Jul 8, 04:15 UTCJul 8, 04:45 UTC30m
2026-07-08 IGO242V - Jul 8, 01:00 UTCJul 8, 02:45 UTC1h 45m
2026-07-07 IGO516K - Jul 7, 16:50 UTCJul 7, 17:20 UTC30m
2026-07-07 IGO5302 - Jul 7, 11:00 UTCJul 7, 11:20 UTC20m
2026-07-07 IGO2442 - Jul 7, 06:40 UTCJul 7, 07:00 UTC20m
2026-07-06 IGO516K - Jul 6, 17:25 UTCJul 6, 17:45 UTC20m
2026-07-06 IGO529Y - Jul 6, 15:30 UTCJul 6, 15:40 UTC10m
2026-07-06 IGO2041 - Jul 6, 13:30 UTCJul 6, 14:05 UTC35m
2026-07-06 IGO2041 - Jul 6, 12:00 UTCJul 6, 12:50 UTC50m
2026-07-06 IGO139C - Jul 6, 10:10 UTCJul 6, 11:05 UTC55m
2026-07-06 IGO573Y - Jul 6, 08:30 UTCJul 6, 08:45 UTC15m
2026-07-06 IGO573Y - Jul 6, 06:30 UTCJul 6, 07:15 UTC45m
2026-07-06 IGO103H - Jul 6, 04:20 UTCJul 6, 04:55 UTC35m
2026-07-06 IGO103H - Jul 6, 02:50 UTCJul 6, 03:00 UTC10m
2026-07-05 IGO472 - Jul 5, 16:50 UTCJul 5, 17:35 UTC45m
2026-07-05 IGO6903 - Jul 5, 15:15 UTCJul 5, 16:00 UTC45m
2026-07-04 IGO407 - Jul 4, 09:30 UTCJul 4, 09:45 UTC15m
2026-07-04 IGO311 - Jul 4, 08:05 UTCJul 4, 08:15 UTC10m
2026-07-03 IGO773Y - Jul 3, 15:40 UTCJul 3, 17:05 UTC1h 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 VT-ICY page for operator, model, and routing details .

Mode-S 801749 frequently asked

What is Mode-S code 801749?
801749 is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-ICY.
Where is Mode-S 801749 registered?
Mode-S code 801749 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 801749 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 801749, octal 40013511, decimal 8,394,569.
What flights does 801749 operate?
Mode-S 801749 has broadcast 20 distinct callsigns, including IGO429, IGO1633, IGO1631, IGO874, IGO355H.