Apparatus

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sensors Mode-S transponder

801850

ICAO 24-bit transponder address · allocated to India

Currently assigned to VT-IOI · AIRBUS A-320neo

Hex
801850
Octal
40014120
Decimal
8,394,832
Country
IN
Tail
VT-IOI
Type
A20N
No current signal · last broadcast 7h ago
Flights observed
361
Distinct callsigns
20
Country
IN
Last broadcast
7h ago

Last known position

Most recent position reported by Mode-S 801850.

Country allocation

The ICAO 24-bit address 801850 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
IGO1602 IndiGo Airlines 12 2026-06-19
IGO1601 - 11 2026-06-19
IGO1158 IndiGo Airlines 8 2026-05-27
IGO155J - 7 2026-06-25
IGO1157 IndiGo Airlines 6 2026-05-27
IGO5338 - 5 2026-07-14
IGO062 - 5 2026-06-17
IGO501E - 4 2026-05-08
IGO2519 - 4 2026-06-27
IGO1856 IndiGo Airlines 4 2026-05-30
IGO097 IndiGo Airlines 4 2026-06-25
IGO976H - 3 2026-06-20
IGO955 - 3 2026-07-11
IGO726W - 3 2026-07-11
IGO650C - 3 2026-06-27
IGO5316 - 3 2026-07-14
IGO5302 - 3 2026-06-26
IGO463 IndiGo Airlines 3 2026-06-20
IGO433E - 3 2026-06-26
IGO1854 - 3 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 IGO5338 - Jul 14, 10:20 UTCJul 14, 10:35 UTC15m
2026-07-14 IGO5338 - Jul 14, 09:05 UTCJul 14, 09:30 UTC25m
2026-07-14 IGO5316 - Jul 14, 06:25 UTCJul 14, 07:50 UTC1h 25m
2026-07-13 IGO737 - Jul 13, 14:00 UTCJul 13, 14:15 UTC15m
2026-07-13 IGO5338 - Jul 13, 08:55 UTCJul 13, 10:40 UTC1h 45m
2026-07-13 IGO5316 - Jul 13, 05:35 UTCJul 13, 07:20 UTC1h 45m
2026-07-13 IGO512W - Jul 13, 04:15 UTCJul 13, 04:30 UTC15m
2026-07-12 IGO737 - Jul 12, 13:45 UTCJul 12, 14:05 UTC20m
2026-07-12 IGO736 - Jul 12, 11:45 UTCJul 12, 11:55 UTC10m
2026-07-12 IGO5338 - Jul 12, 10:30 UTCJul 12, 10:45 UTC15m
2026-07-12 IGO5338 - Jul 12, 09:20 UTCJul 12, 09:30 UTC10m
2026-07-12 IGO5316 - Jul 12, 06:10 UTCJul 12, 07:20 UTC1h 10m
2026-07-12 IGO512W - Jul 12, 04:10 UTCJul 12, 04:30 UTC20m
2026-07-12 IGO794C - Jul 12, 02:01 UTCJul 12, 02:10 UTC10m
2026-07-11 IGO955 - Jul 11, 16:10 UTCJul 11, 16:20 UTC10m
2026-07-11 IGO955 - Jul 11, 14:45 UTCJul 11, 15:15 UTC30m
2026-07-11 IGO726W - Jul 11, 11:55 UTCJul 11, 13:40 UTC1h 45m
2026-07-11 IGO6030 - Jul 11, 10:35 UTCJul 11, 10:55 UTC20m
2026-07-11 IGO6030 - Jul 11, 09:45 UTCJul 11, 09:55 UTC10m
2026-07-11 IGO6029 - Jul 11, 06:05 UTCJul 11, 07:15 UTC1h 10m
2026-07-11 IGO516V - Jul 11, 02:10 UTCJul 11, 02:55 UTC45m
2026-07-10 IGO1058 BKK → CCU Jul 10, 21:45 UTCJul 11, 00:05 UTC2h 20m
2026-07-10 IGO1057 CCU → BKK Jul 10, 18:15 UTCJul 10, 20:30 UTC2h 15m
2026-07-10 IGO403V - Jul 10, 15:50 UTCJul 10, 16:50 UTC1h 0m
2026-07-10 IGO266K - Jul 10, 13:55 UTCJul 10, 14:45 UTC50m
2026-07-10 IGO213 - Jul 10, 12:15 UTCJul 10, 13:00 UTC45m
2026-07-10 IGO2513 - Jul 10, 09:10 UTCJul 10, 09:45 UTC35m
2026-07-10 IGO2516 - Jul 10, 07:15 UTCJul 10, 07:55 UTC40m
2026-07-10 IGO6412 - Jul 10, 05:50 UTCJul 10, 06:00 UTC10m
2026-07-10 IGO531P - Jul 10, 03:45 UTCJul 10, 04:30 UTC45m
2026-07-09 IGO1924 - Jul 9, 21:45 UTCJul 10, 01:25 UTC3h 40m
2026-07-09 IGO1923 - Jul 9, 16:20 UTCJul 9, 17:50 UTC1h 30m
2026-07-09 IGO6069 - Jul 9, 13:35 UTCJul 9, 14:15 UTC40m
2026-07-09 IGO719W CCU → IXA Jul 9, 12:05 UTCJul 9, 12:35 UTC30m
2026-07-09 IGO71AT - Jul 9, 06:45 UTCJul 9, 07:40 UTC55m
2026-07-09 IGO6913 - Jul 9, 05:15 UTCJul 9, 05:25 UTC10m
2026-07-09 IGO6913 - Jul 9, 02:15 UTCJul 9, 03:25 UTC1h 10m
2026-07-08 IGO411 - Jul 8, 13:45 UTCJul 8, 15:05 UTC1h 20m
2026-07-08 IGO509 - Jul 8, 10:50 UTCJul 8, 11:10 UTC20m
2026-07-08 IGO509 - Jul 8, 09:05 UTCJul 8, 10:05 UTC1h 0m
2026-07-08 IGO162P - Jul 8, 06:00 UTCJul 8, 08:05 UTC2h 5m
2026-07-08 IGO275Y - Jul 8, 03:00 UTCJul 8, 04:40 UTC1h 40m
2026-07-07 IGO939C - Jul 7, 23:40 UTCJul 7, 23:55 UTC15m
2026-07-01 IGO107 - Jul 1, 16:15 UTCJul 1, 16:45 UTC30m
2026-07-01 IGO105 - Jul 1, 13:25 UTCJul 1, 13:35 UTC10m
2026-07-01 IGO6036 - Jul 1, 11:00 UTCJul 1, 11:10 UTC10m
2026-07-01 IGO473Y - Jul 1, 06:05 UTCJul 1, 06:20 UTC15m
2026-07-01 IGO424K - Jul 1, 03:30 UTCJul 1, 03:45 UTC15m
2026-06-30 IGO2151 - Jun 30, 15:40 UTCJun 30, 16:10 UTC30m
2026-06-30 IGO2416 - Jun 30, 13:35 UTCJun 30, 14:35 UTC1h 0m

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

Mode-S 801850 frequently asked

What is Mode-S code 801850?
801850 is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-IOI.
Where is Mode-S 801850 registered?
Mode-S code 801850 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 801850 broadcasting right now?
No active broadcast right now. Last signal was 7h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 801850, octal 40014120, decimal 8,394,832.
What flights does 801850 operate?
Mode-S 801850 has broadcast 20 distinct callsigns, including IGO1602, IGO1601, IGO1158, IGO155J, IGO1157.