Apparatus

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sensors Mode-S transponder

80187B

ICAO 24-bit transponder address · allocated to India

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

Hex
80187B
Octal
40014173
Decimal
8,394,875
Country
IN
Tail
VT-NLA
Type
A21N
Transponder active on ground
Flights observed
234
Distinct callsigns
14
Country
IN
Last broadcast
Jul 26, 19:50 UTC

Last known position

Most recent position reported by Mode-S 80187B.

Country allocation

The ICAO 24-bit address 80187B 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 14 distinct

Callsign Airline Flights Last seen
IGO011 IndiGo Airlines 48 2026-07-23
IGO012 IndiGo Airlines 47 2026-07-23
IGO45E - 34 2026-07-26
IGO1903 IndiGo Airlines 33 2026-07-25
IGO45W - 30 2026-07-25
IGO1904 IndiGo Airlines 25 2026-07-26
IGO018 - 5 2026-07-12
IGO017 - 5 2026-07-12
IGO850 IndiGo Airlines 2 2026-05-19
IGO541H - 1 2026-05-18
IGO5190 IndiGo Airlines 1 2026-05-19
IGO472V - 1 2026-05-19
IGO308E - 1 2026-05-19
IGO305P - 1 2026-05-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 IGO1904 ATH → BOM Jul 26, 17:05 UTCJul 26, 19:50 UTC2h 45m
2026-07-26 IGO1904 ATH → BOM Jul 26, 12:40 UTCJul 26, 17:00 UTC4h 20m
2026-07-26 IGO45E - Jul 26, 05:25 UTCJul 26, 09:35 UTC4h 11m
2026-07-26 IGO45E - Jul 26, 02:10 UTCJul 26, 05:15 UTC3h 5m
2026-07-25 IGO45W ATH → DEL Jul 25, 11:50 UTCJul 25, 19:45 UTC7h 55m
2026-07-25 IGO1903 BOM → ATH Jul 25, 03:10 UTCJul 25, 09:55 UTC6h 45m
2026-07-24 IGO1904 ATH → BOM Jul 24, 12:25 UTCJul 24, 19:35 UTC7h 10m
2026-07-24 IGO45E DEL → ATH Jul 24, 02:10 UTCJul 24, 09:45 UTC7h 35m
2026-07-23 IGO012 SIN → DEL Jul 23, 15:10 UTCJul 23, 22:55 UTC7h 45m
2026-07-23 IGO011 DEL → SIN Jul 23, 02:25 UTCJul 23, 10:20 UTC7h 55m
2026-07-22 IGO012 SIN → DEL Jul 22, 15:30 UTCJul 22, 23:35 UTC8h 5m
2026-07-22 IGO011 DEL → SIN Jul 22, 02:20 UTCJul 22, 05:25 UTC3h 5m
2026-07-20 IGO012 - Jul 20, 15:20 UTCJul 20, 23:20 UTC8h 0m
2026-07-20 IGO011 DEL → SIN Jul 20, 02:25 UTCJul 20, 09:55 UTC7h 30m
2026-07-19 IGO012 - Jul 19, 15:10 UTCJul 19, 23:15 UTC8h 5m
2026-07-19 IGO011 DEL → SIN Jul 19, 02:40 UTCJul 19, 10:05 UTC7h 25m
2026-07-18 IGO45W ATH → DEL Jul 18, 12:00 UTCJul 18, 20:00 UTC8h 0m
2026-07-18 IGO1903 - Jul 18, 02:55 UTCJul 18, 09:45 UTC6h 50m
2026-07-17 IGO1904 - Jul 17, 12:19 UTCJul 17, 19:25 UTC7h 5m
2026-07-17 IGO45E - Jul 17, 02:15 UTCJul 17, 09:45 UTC7h 30m
2026-07-16 IGO45W ATH → DEL Jul 16, 11:50 UTCJul 16, 19:35 UTC7h 45m
2026-07-16 IGO1903 - Jul 16, 02:45 UTCJul 16, 09:40 UTC6h 55m
2026-07-15 IGO1904 ATH → BOM Jul 15, 11:55 UTCJul 15, 19:10 UTC7h 15m
2026-07-15 IGO45E - Jul 15, 02:15 UTCJul 15, 09:40 UTC7h 25m
2026-07-14 IGO012 - Jul 14, 15:10 UTCJul 14, 23:10 UTC7h 59m
2026-07-14 IGO011 - Jul 14, 02:25 UTCJul 14, 10:00 UTC7h 35m
2026-07-13 IGO45W ATH → DEL Jul 13, 12:00 UTCJul 13, 20:00 UTC8h 0m
2026-07-13 IGO1903 - Jul 13, 08:35 UTCJul 13, 09:15 UTC40m
2026-07-13 IGO1903 - Jul 13, 02:35 UTCJul 13, 08:30 UTC5h 55m
2026-07-12 IGO018 - Jul 12, 15:05 UTCJul 12, 22:35 UTC7h 30m
2026-07-12 IGO017 - Jul 12, 03:15 UTCJul 12, 10:05 UTC6h 50m
2026-07-11 IGO018 - Jul 11, 15:15 UTCJul 11, 22:40 UTC7h 25m
2026-07-11 IGO017 - Jul 11, 03:10 UTCJul 11, 09:50 UTC6h 40m
2026-07-10 IGO1904 - Jul 10, 12:40 UTCJul 10, 19:00 UTC6h 20m
2026-07-10 IGO1904 - Jul 10, 11:50 UTCJul 10, 12:35 UTC45m
2026-07-10 IGO45E DEL → ATH Jul 10, 02:05 UTCJul 10, 09:25 UTC7h 20m
2026-07-09 IGO012 - Jul 9, 15:15 UTCJul 9, 23:10 UTC7h 55m
2026-07-09 IGO011 - Jul 9, 02:25 UTCJul 9, 10:05 UTC7h 40m
2026-07-08 IGO012 - Jul 8, 15:25 UTCJul 8, 23:10 UTC7h 45m
2026-07-08 IGO011 - Jul 8, 02:35 UTCJul 8, 10:10 UTC7h 35m
2026-07-06 IGO45W ATH → DEL Jul 6, 12:15 UTCJul 6, 19:55 UTC7h 40m
2026-07-06 IGO1903 - Jul 6, 03:20 UTCJul 6, 10:10 UTC6h 50m
2026-07-05 IGO1904 ATH → BOM Jul 5, 12:05 UTCJul 5, 19:20 UTC7h 15m
2026-07-05 IGO45E DEL → ATH Jul 5, 02:10 UTCJul 5, 09:45 UTC7h 35m
2026-07-04 IGO012 SIN → DEL Jul 4, 15:15 UTCJul 4, 23:00 UTC7h 45m
2026-07-04 IGO011 - Jul 4, 02:35 UTCJul 4, 10:40 UTC8h 5m
2026-07-03 IGO012 SIN → DEL Jul 3, 17:20 UTCJul 4, 00:55 UTC7h 35m
2026-07-03 IGO011 - Jul 3, 02:25 UTCJul 3, 10:05 UTC7h 40m
2026-07-02 IGO45W ATH → DEL Jul 2, 11:50 UTCJul 2, 19:30 UTC7h 40m
2026-07-02 IGO1903 - Jul 2, 02:30 UTCJul 2, 09:20 UTC6h 50m

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

Mode-S 80187B frequently asked

What is Mode-S code 80187B?
80187B is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-NLA.
Where is Mode-S 80187B registered?
Mode-S code 80187B is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 80187B broadcasting right now?
Mode-S 80187B is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 80187B, octal 40014173, decimal 8,394,875.
What flights does 80187B operate?
Mode-S 80187B has broadcast 14 distinct callsigns, including IGO011, IGO012, IGO45E, IGO1903, IGO45W.