Apparatus

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sensors Mode-S transponder

801551

ICAO 24-bit transponder address · allocated to India

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

Hex
801551
Octal
40012521
Decimal
8,394,065
Country
IN
Tail
VT-IBE
Type
A21N
Broadcasting now · callsign IGO217H · 25,425 ft
Flights observed
452
Distinct callsigns
20
Country
IN
Last broadcast
1h ago

Current position

801551 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 801551 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
IGO751 - 6 2026-07-07
IGO6142 - 6 2026-06-30
IGO93H - 4 2026-07-10
IGO43V - 4 2026-07-14
IGO373 IndiGo Airlines 4 2026-05-10
IGO2263 - 4 2026-07-05
IGO143E - 4 2026-07-05
IGO1104 - 4 2026-07-14
IGO748 - 3 2026-07-12
IGO6513 - 3 2026-06-24
IGO6512 - 3 2026-06-21
IGO6491 IndiGo Airlines 3 2026-06-01
IGO641M - 3 2026-06-04
IGO63YE - 3 2026-05-28
IGO6399 IndiGo Airlines 3 2026-06-01
IGO6171 - 3 2026-06-19
IGO6150 - 3 2026-07-12
IGO6141 IndiGo Airlines 3 2026-06-17
IGO561K - 3 2026-07-05
IGO556 IndiGo Airlines 3 2026-06-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 IGO1104 - Jul 14, 11:00 UTCJul 14, 13:10 UTC2h 10m
2026-07-14 IGO43V - Jul 14, 07:25 UTCJul 14, 09:25 UTC2h 0m
2026-07-13 IGO084 - Jul 13, 22:25 UTCJul 14, 03:05 UTC4h 40m
2026-07-13 IGO083 - Jul 13, 16:10 UTCJul 13, 20:10 UTC4h 0m
2026-07-13 IGO1104 - Jul 13, 10:50 UTCJul 13, 12:45 UTC1h 55m
2026-07-13 IGO43V - Jul 13, 07:25 UTCJul 13, 09:20 UTC1h 55m
2026-07-13 IGO2365 - Jul 13, 03:45 UTCJul 13, 06:10 UTC2h 25m
2026-07-12 IGO2364 - Jul 12, 23:45 UTCJul 13, 02:10 UTC2h 25m
2026-07-12 IGO2376 - Jul 12, 17:01 UTCJul 12, 17:35 UTC35m
2026-07-12 IGO674F - Jul 12, 14:55 UTCJul 12, 15:15 UTC20m
2026-07-12 IGO6150 - Jul 12, 13:01 UTCJul 12, 13:40 UTC40m
2026-07-12 IGO6150 - Jul 12, 11:40 UTCJul 12, 12:25 UTC45m
2026-07-12 IGO6724 - Jul 12, 10:10 UTCJul 12, 10:25 UTC15m
2026-07-12 IGO752F - Jul 12, 08:40 UTCJul 12, 09:15 UTC35m
2026-07-12 IGO521C - Jul 12, 06:55 UTCJul 12, 07:40 UTC45m
2026-07-12 IGO748 - Jul 12, 05:10 UTCJul 12, 05:20 UTC10m
2026-07-12 IGO748 - Jul 12, 01:05 UTCJul 12, 02:55 UTC1h 50m
2026-07-11 IGO6117 - Jul 11, 18:15 UTCJul 11, 18:55 UTC40m
2026-07-11 IGO749 - Jul 11, 12:40 UTCJul 11, 14:30 UTC1h 50m
2026-07-11 IGO371H - Jul 11, 08:25 UTCJul 11, 09:05 UTC40m
2026-07-11 IGO6097 - Jul 11, 06:45 UTCJul 11, 07:25 UTC40m
2026-07-11 IGO6723 - Jul 11, 05:31 UTCJul 11, 05:40 UTC10m
2026-07-11 IGO5215 - Jul 11, 02:20 UTCJul 11, 04:15 UTC1h 55m
2026-07-10 IGO93H - Jul 10, 21:00 UTCJul 11, 00:10 UTC3h 10m
2026-07-10 IGO43F - Jul 10, 15:40 UTCJul 10, 18:55 UTC3h 15m
2026-07-10 IGO1104 DAC → DEL Jul 10, 10:45 UTCJul 10, 12:45 UTC2h 0m
2026-07-10 IGO43V - Jul 10, 07:35 UTCJul 10, 09:35 UTC2h 0m
2026-07-10 IGO5134 DEL → DEL Jul 10, 02:20 UTCJul 10, 05:35 UTC3h 15m
2026-07-09 IGO5190 CCU → DEL Jul 9, 17:20 UTCJul 9, 19:10 UTC1h 50m
2026-07-09 IGO308E - Jul 9, 14:15 UTCJul 9, 16:05 UTC1h 50m
2026-07-09 IGO52AR - Jul 9, 10:45 UTCJul 9, 12:30 UTC1h 45m
2026-07-09 IGO774Y - Jul 9, 07:40 UTCJul 9, 09:30 UTC1h 50m
2026-07-09 IGO305P - Jul 9, 02:55 UTCJul 9, 05:05 UTC2h 10m
2026-07-08 IGO541H - Jul 8, 23:40 UTCJul 9, 01:30 UTC1h 50m
2026-07-08 IGO2376 - Jul 8, 17:25 UTCJul 8, 17:55 UTC30m
2026-07-08 IGO674F - Jul 8, 15:50 UTCJul 8, 16:10 UTC20m
2026-07-08 IGO6150 - Jul 8, 12:15 UTCJul 8, 14:30 UTC2h 15m
2026-07-08 IGO6724 - Jul 8, 10:20 UTCJul 8, 10:40 UTC20m
2026-07-08 IGO752F - Jul 8, 08:45 UTCJul 8, 09:20 UTC35m
2026-07-08 IGO521C - Jul 8, 06:55 UTCJul 8, 07:40 UTC45m
2026-07-08 IGO748 - Jul 8, 01:10 UTCJul 8, 03:00 UTC1h 50m
2026-07-07 IGO6117 - Jul 7, 18:20 UTCJul 7, 18:35 UTC15m
2026-07-07 IGO567K - Jul 7, 16:55 UTCJul 7, 17:05 UTC10m
2026-07-07 IGO749 - Jul 7, 12:50 UTCJul 7, 14:40 UTC1h 50m
2026-07-07 IGO371H - Jul 7, 08:15 UTCJul 7, 08:55 UTC40m
2026-07-07 IGO751 CCU → CCU Jul 7, 00:35 UTCJul 7, 06:15 UTC5h 40m
2026-07-06 IGO319 DEL → CCU Jul 6, 14:20 UTCJul 6, 19:40 UTC5h 20m
2026-07-06 IGO274E DEL → DEL Jul 6, 09:40 UTCJul 6, 13:05 UTC3h 25m
2026-07-06 IGO234W - Jul 6, 04:55 UTCJul 6, 08:20 UTC3h 25m
2026-07-05 IGO143E DEL → DEL Jul 5, 23:50 UTCJul 6, 03:10 UTC3h 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-IBE page for operator, model, and routing details .

Mode-S 801551 frequently asked

What is Mode-S code 801551?
801551 is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-IBE.
Where is Mode-S 801551 registered?
Mode-S code 801551 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 801551 broadcasting right now?
Yes. Mode-S 801551 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 801551, octal 40012521, decimal 8,394,065.
What flights does 801551 operate?
Mode-S 801551 has broadcast 20 distinct callsigns, including IGO751, IGO6142, IGO93H, IGO43V, IGO373.