Apparatus

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sensors Mode-S transponder

801744

ICAO 24-bit transponder address · allocated to India

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

Hex
801744
Octal
40013504
Decimal
8,394,564
Country
IN
Tail
VT-ICH
Type
A21N
No current signal · last broadcast Jul 26, 18:45 UTC
Flights observed
565
Distinct callsigns
20
Country
IN
Last broadcast
Jul 26, 18:45 UTC

Last known position

Most recent position reported by Mode-S 801744.

Country allocation

The ICAO 24-bit address 801744 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
IGO663P - 10 2026-07-07
IGO6031 - 8 2026-07-01
IGO379E - 7 2026-07-16
IGO357L IndiGo Airlines 7 2026-07-22
IGO352C - 7 2026-07-23
IGO1025 - 7 2026-06-14
IGO745M - 6 2026-07-08
IGO726K - 6 2026-07-20
IGO609Y - 6 2026-07-19
IGO423L - 6 2026-07-07
IGO415Y - 6 2026-06-02
IGO328C - 6 2026-07-07
IGO322 IndiGo Airlines 6 2026-07-22
IGO214C - 6 2026-06-24
IGO121V IndiGo Airlines 6 2026-07-18
IGO1003 IndiGo Airlines 6 2026-06-14
IGO735F IndiGo Airlines 5 2026-07-26
IGO6706 IndiGo Airlines 5 2026-07-22
IGO603H - 5 2026-07-16
IGO5323 - 5 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 IGO647M DEL → CCU Jul 26, 16:40 UTCJul 26, 18:40 UTC2h 0m
2026-07-26 IGO6034 BLR → DEL Jul 26, 12:55 UTCJul 26, 15:20 UTC2h 25m
2026-07-26 IGO735F TRV → BLR Jul 26, 09:15 UTCJul 26, 09:50 UTC35m
2026-07-26 IGO355 BOM → DEL Jul 26, 03:40 UTCJul 26, 05:25 UTC1h 45m
2026-07-26 IGO6196 MAA → AMD Jul 26, 01:55 UTCJul 26, 02:10 UTC15m
2026-07-25 IGO919M - Jul 25, 17:35 UTCJul 25, 18:05 UTC30m
2026-07-25 IGO321F DEL → BOM Jul 25, 16:15 UTCJul 25, 16:35 UTC20m
2026-07-25 IGO321F DEL → BOM Jul 25, 14:45 UTCJul 25, 15:20 UTC35m
2026-07-25 IGO343H MAA → CCU Jul 25, 11:25 UTCJul 25, 13:05 UTC1h 40m
2026-07-25 IGO1072 HKT → BOM Jul 25, 09:15 UTCJul 25, 09:30 UTC15m
2026-07-24 IGO1073 DEL → HKT Jul 24, 23:55 UTCJul 25, 02:05 UTC2h 10m
2026-07-24 IGO5024 IXR → DEL Jul 24, 14:35 UTCJul 24, 17:20 UTC2h 45m
2026-07-23 IGO1074 HKT → DEL Jul 23, 22:40 UTCJul 24, 08:30 UTC9h 50m
2026-07-23 IGO352C - Jul 23, 19:05 UTCJul 23, 19:20 UTC15m
2026-07-23 IGO352C - Jul 23, 17:35 UTCJul 23, 18:10 UTC35m
2026-07-23 IGO727H - Jul 23, 14:40 UTCJul 23, 16:20 UTC1h 40m
2026-07-23 IGO471V - Jul 23, 12:40 UTCJul 23, 13:15 UTC35m
2026-07-23 IGO471V - Jul 23, 11:05 UTCJul 23, 11:45 UTC40m
2026-07-23 IGO615 BOM → DEL Jul 23, 07:35 UTCJul 23, 09:35 UTC2h 0m
2026-07-23 IGO6107 DEL → BOM Jul 23, 05:30 UTCJul 23, 06:00 UTC30m
2026-07-23 IGO6107 DEL → BOM Jul 23, 04:10 UTCJul 23, 04:45 UTC35m
2026-07-23 IGO149M - Jul 23, 00:55 UTCJul 23, 02:40 UTC1h 45m
2026-07-22 IGO322 CJB → GOX Jul 22, 20:25 UTCJul 22, 20:55 UTC30m
2026-07-22 IGO322 CJB → GOX Jul 22, 18:50 UTCJul 22, 19:25 UTC35m
2026-07-22 IGO413V VNS → CCU Jul 22, 15:00 UTCJul 22, 16:50 UTC1h 50m
2026-07-22 IGO6706 DEL → BOM Jul 22, 13:25 UTCJul 22, 13:45 UTC20m
2026-07-22 IGO6706 DEL → BOM Jul 22, 12:00 UTCJul 22, 12:35 UTC35m
2026-07-22 IGO357L DEL → BOM Jul 22, 05:05 UTCJul 22, 10:25 UTC5h 20m
2026-07-22 IGO43AR - Jul 22, 01:45 UTCJul 22, 03:25 UTC1h 40m
2026-07-21 IGO352C - Jul 21, 18:50 UTCJul 21, 19:05 UTC15m
2026-07-21 IGO352C - Jul 21, 17:30 UTCJul 21, 18:00 UTC30m
2026-07-21 IGO315 DEL → DEL Jul 21, 08:40 UTCJul 21, 13:50 UTC5h 10m
2026-07-21 IGO671W - Jul 21, 05:10 UTCJul 21, 06:55 UTC1h 45m
2026-07-21 IGO769Y BBI → BLR Jul 21, 03:35 UTCJul 21, 03:50 UTC15m
2026-07-21 IGO769Y BBI → BLR Jul 21, 02:10 UTCJul 21, 02:45 UTC35m
2026-07-20 IGO494C - Jul 20, 16:55 UTCJul 20, 18:40 UTC1h 45m
2026-07-20 IGO676V - Jul 20, 15:35 UTCJul 20, 15:55 UTC20m
2026-07-20 IGO676V - Jul 20, 14:05 UTCJul 20, 14:40 UTC35m
2026-07-20 IGO34FP - Jul 20, 11:10 UTCJul 20, 13:00 UTC1h 50m
2026-07-20 IGO726K - Jul 20, 09:20 UTCJul 20, 09:35 UTC15m
2026-07-20 IGO726K - Jul 20, 07:45 UTCJul 20, 08:10 UTC25m
2026-07-20 IGO164F - Jul 20, 03:45 UTCJul 20, 06:20 UTC2h 35m
2026-07-19 IGO1002 SIN → MAA Jul 19, 20:45 UTCJul 19, 21:25 UTC40m
2026-07-19 IGO1001 - Jul 19, 13:10 UTCJul 19, 19:15 UTC6h 5m
2026-07-19 IGO255K - Jul 19, 12:10 UTCJul 19, 12:20 UTC10m
2026-07-19 IGO611H MAA → BOM Jul 19, 06:30 UTCJul 19, 10:50 UTC4h 20m
2026-07-19 IGO609Y - Jul 19, 04:35 UTCJul 19, 04:55 UTC20m
2026-07-19 IGO513K - Jul 19, 01:50 UTCJul 19, 04:00 UTC2h 10m
2026-07-19 IGO513K - Jul 19, 00:50 UTCJul 19, 01:00 UTC10m
2026-07-18 IGO5376 - Jul 18, 15:00 UTCJul 18, 16:20 UTC1h 20m

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

Mode-S 801744 frequently asked

What is Mode-S code 801744?
801744 is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-ICH.
Where is Mode-S 801744 registered?
Mode-S code 801744 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 801744 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 801744, octal 40013504, decimal 8,394,564.
What flights does 801744 operate?
Mode-S 801744 has broadcast 20 distinct callsigns, including IGO663P, IGO6031, IGO379E, IGO357L, IGO352C.