Apparatus

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sensors Mode-S transponder

801772

ICAO 24-bit transponder address · allocated to India

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

Hex
801772
Octal
40013562
Decimal
8,394,610
Country
IN
Tail
VT-NCJ
Type
A21N
No current signal · last broadcast Jul 26, 18:20 UTC
Flights observed
656
Distinct callsigns
20
Country
IN
Last broadcast
Jul 26, 18:20 UTC

Last known position

Most recent position reported by Mode-S 801772.

Country allocation

The ICAO 24-bit address 801772 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
IGO332P - 9 2026-07-14
IGO817L - 8 2026-07-07
IGO764V - 8 2026-07-14
IGO418V - 8 2026-07-26
IGO527E - 7 2026-06-20
IGO413V IndiGo Airlines 7 2026-05-12
IGO376E - 7 2026-07-07
IGO357L IndiGo Airlines 7 2026-05-12
IGO273Y - 7 2026-07-07
IGO1059 - 7 2026-07-15
IGO726K - 6 2026-07-24
IGO676V - 6 2026-07-24
IGO624P - 6 2026-07-09
IGO5216 - 6 2026-07-09
IGO5196 - 6 2026-06-28
IGO5069 - 6 2026-07-06
IGO447L - 6 2026-07-26
IGO423L - 6 2026-07-19
IGO328C - 6 2026-07-19
IGO322 IndiGo Airlines 6 2026-05-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 IGO6061 DEL → MAA Jul 26, 17:45 UTCJul 26, 18:20 UTC35m
2026-07-26 IGO357Y DEL → DEL Jul 26, 10:20 UTCJul 26, 16:25 UTC6h 5m
2026-07-26 IGO447L - Jul 26, 06:25 UTCJul 26, 08:10 UTC1h 46m
2026-07-26 IGO418V - Jul 26, 04:00 UTCJul 26, 04:25 UTC25m
2026-07-26 IGO418V - Jul 26, 02:35 UTCJul 26, 03:10 UTC35m
2026-07-25 IGO6601 DEL → HYD Jul 25, 14:30 UTCJul 25, 20:05 UTC5h 35m
2026-07-25 IGO379E DEL → DEL Jul 25, 08:10 UTCJul 25, 12:55 UTC4h 45m
2026-07-25 IGO603H DEL → DEL Jul 25, 01:50 UTCJul 25, 06:45 UTC4h 55m
2026-07-24 IGO494C - Jul 24, 17:10 UTCJul 24, 18:55 UTC1h 45m
2026-07-24 IGO676V - Jul 24, 15:20 UTCJul 24, 15:40 UTC20m
2026-07-24 IGO676V - Jul 24, 13:50 UTCJul 24, 14:25 UTC35m
2026-07-24 IGO34FP - Jul 24, 10:45 UTCJul 24, 12:30 UTC1h 45m
2026-07-24 IGO726K - Jul 24, 09:15 UTCJul 24, 09:30 UTC15m
2026-07-24 IGO726K - Jul 24, 07:50 UTCJul 24, 08:25 UTC35m
2026-07-24 IGO164F - Jul 24, 03:50 UTCJul 24, 06:15 UTC2h 25m
2026-07-24 IGO513K - Jul 24, 01:50 UTCJul 24, 02:30 UTC40m
2026-07-24 IGO513K - Jul 24, 01:00 UTCJul 24, 01:10 UTC10m
2026-07-23 IGO5149 MAA → BOM Jul 23, 16:10 UTCJul 23, 16:30 UTC20m
2026-07-23 IGO947 GOX → CCU Jul 23, 11:30 UTCJul 23, 15:30 UTC4h 0m
2026-07-23 IGO939 CJB → HYD Jul 23, 04:05 UTCJul 23, 10:10 UTC6h 5m
2026-07-22 IGO74AR - Jul 22, 23:35 UTCJul 23, 02:00 UTC2h 25m
2026-07-22 IGO5388 BOM → BLR Jul 22, 18:15 UTCJul 22, 18:45 UTC30m
2026-07-22 IGO5388 BOM → BLR Jul 22, 17:35 UTCJul 22, 17:40 UTC5m
2026-07-22 IGO203M CCU → BOM Jul 22, 16:00 UTCJul 22, 16:30 UTC30m
2026-07-22 IGO203M CCU → BOM Jul 22, 14:05 UTCJul 22, 14:45 UTC40m
2026-07-22 IGO626M - Jul 22, 11:15 UTCJul 22, 13:05 UTC1h 50m
2026-07-22 IGO427P DEL → CCU Jul 22, 03:35 UTCJul 22, 05:25 UTC1h 50m
2026-07-21 IGO6601 DEL → HYD Jul 21, 15:05 UTCJul 21, 20:20 UTC5h 15m
2026-07-21 IGO379E DEL → DEL Jul 21, 08:15 UTCJul 21, 13:20 UTC5h 5m
2026-07-21 IGO603H DEL → DEL Jul 21, 01:50 UTCJul 21, 06:45 UTC4h 55m
2026-07-20 IGO478K DEL → DEL Jul 20, 18:05 UTCJul 20, 22:40 UTC4h 35m
2026-07-20 IGO6034 - Jul 20, 13:10 UTCJul 20, 15:55 UTC2h 45m
2026-07-20 IGO735F TRV → BLR Jul 20, 11:15 UTCJul 20, 11:45 UTC30m
2026-07-20 IGO735F TRV → BLR Jul 20, 09:15 UTCJul 20, 09:40 UTC25m
2026-07-20 IGO175 BLR → DEL Jul 20, 05:35 UTCJul 20, 07:55 UTC2h 20m
2026-07-20 IGO745M - Jul 20, 04:15 UTCJul 20, 04:25 UTC10m
2026-07-20 IGO745M - Jul 20, 02:05 UTCJul 20, 02:40 UTC35m
2026-07-19 IGO626E DEL → SXR Jul 19, 21:45 UTCJul 20, 00:05 UTC2h 20m
2026-07-19 IGO663P - Jul 19, 20:35 UTCJul 19, 20:45 UTC10m
2026-07-19 IGO663P - Jul 19, 18:20 UTCJul 19, 19:00 UTC40m
2026-07-19 IGO28HT - Jul 19, 14:15 UTCJul 19, 16:40 UTC2h 25m
2026-07-19 IGO328C - Jul 19, 12:25 UTCJul 19, 12:40 UTC15m
2026-07-19 IGO328C - Jul 19, 10:25 UTCJul 19, 11:00 UTC35m
2026-07-19 IGO438V BLR → DEL Jul 19, 06:30 UTCJul 19, 08:45 UTC2h 15m
2026-07-19 IGO423L - Jul 19, 05:05 UTCJul 19, 05:15 UTC10m
2026-07-19 IGO423L - Jul 19, 03:00 UTCJul 19, 03:35 UTC35m
2026-07-18 IGO494C - Jul 18, 16:50 UTCJul 18, 18:40 UTC1h 50m
2026-07-18 IGO676V - Jul 18, 15:15 UTCJul 18, 15:35 UTC20m
2026-07-18 IGO676V - Jul 18, 13:50 UTCJul 18, 14:25 UTC35m
2026-07-18 IGO34FP - Jul 18, 10:45 UTCJul 18, 12:30 UTC1h 45m

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

Mode-S 801772 frequently asked

What is Mode-S code 801772?
801772 is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-NCJ.
Where is Mode-S 801772 registered?
Mode-S code 801772 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 801772 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 801772, octal 40013562, decimal 8,394,610.
What flights does 801772 operate?
Mode-S 801772 has broadcast 20 distinct callsigns, including IGO332P, IGO817L, IGO764V, IGO418V, IGO527E.