Apparatus

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sensors Mode-S transponder

8015A4

ICAO 24-bit transponder address · allocated to India

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

Hex
8015A4
Octal
40012644
Decimal
8,394,148
Country
IN
Tail
VT-IPS
Type
A20N
No current signal · last broadcast 1h ago
Flights observed
233
Distinct callsigns
20
Country
IN
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 8015A4.

Country allocation

The ICAO 24-bit address 8015A4 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
IGO501E - 5 2026-04-22
IGO6417 IndiGo Airlines 4 2026-04-25
IGO653 IndiGo Airlines 3 2026-05-26
IGO5306 IndiGo Airlines 3 2026-05-21
IGO512E IndiGo Airlines 3 2026-05-21
IGO464F IndiGo Airlines 3 2026-05-02
IGO26P - 3 2026-05-21
IGO2113 IndiGo Airlines 3 2026-04-28
IGO2001 IndiGo Airlines 3 2026-05-28
IGO146 IndiGo Airlines 3 2026-05-18
IGO939C - 2 2026-05-25
IGO931P - 2 2026-04-20
IGO6634 IndiGo Airlines 2 2026-04-21
IGO6566 IndiGo Airlines 2 2026-05-11
IGO6522 IndiGo Airlines 2 2026-04-14
IGO6485 IndiGo Airlines 2 2026-05-17
IGO6394 IndiGo Airlines 2 2026-05-17
IGO6373 IndiGo Airlines 2 2026-05-29
IGO6301 IndiGo Airlines 2 2026-04-25
IGO6276 IndiGo Airlines 2 2026-04-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 IGO393M - May 30, 02:20 UTCMay 30, 03:00 UTC40m
2026-05-29 IGO6573 NAG → DEL May 29, 14:00 UTCMay 29, 18:30 UTC4h 30m
2026-05-29 IGO613P - May 29, 11:00 UTCMay 29, 12:45 UTC1h 45m
2026-05-29 IGO942C - May 29, 08:50 UTCMay 29, 10:05 UTC1h 15m
2026-05-29 IGO6373 RPR → BOM May 29, 01:10 UTCMay 29, 07:40 UTC6h 30m
2026-05-28 IGO427C BOM → CCU May 28, 13:35 UTCMay 28, 15:25 UTC1h 50m
2026-05-28 IGO605F - May 28, 11:35 UTCMay 28, 12:35 UTC1h 0m
2026-05-28 IGO47MF - May 28, 08:30 UTCMay 28, 10:05 UTC1h 35m
2026-05-28 IGO2373 DEL → PAT May 28, 06:05 UTCMay 28, 07:15 UTC1h 10m
2026-05-28 IGO2001 DEL → AMD May 28, 02:55 UTCMay 28, 04:30 UTC1h 35m
2026-05-28 IGO6207 BOM → CCJ May 28, 01:25 UTCMay 28, 01:40 UTC15m
2026-05-27 IGO6104 BLR → PNQ May 27, 07:00 UTCMay 27, 07:10 UTC10m
2026-05-27 IGO35TC - May 27, 01:09 UTCMay 27, 01:19 UTC10m
2026-05-26 IGO126 PAT → PNQ May 26, 22:05 UTCMay 26, 22:39 UTC35m
2026-05-26 IGO653 PNQ → PAT May 26, 19:45 UTCMay 26, 20:09 UTC25m
2026-05-26 IGO653 PNQ → PAT May 26, 18:24 UTCMay 26, 18:34 UTC10m
2026-05-26 IGO221 BLR → IXR May 26, 12:40 UTCMay 26, 12:54 UTC15m
2026-05-26 IGO509 RDP → BLR May 26, 10:50 UTCMay 26, 11:05 UTC15m
2026-05-26 IGO162P - May 26, 05:59 UTCMay 26, 07:15 UTC1h 15m
2026-05-26 IGO275Y - May 26, 02:55 UTCMay 26, 04:39 UTC1h 45m
2026-05-25 IGO939C - May 25, 23:54 UTCMay 26, 00:09 UTC15m
2026-05-25 IGO567E - May 25, 15:40 UTCMay 25, 16:00 UTC20m
2026-05-25 IGO278 IXC → PNQ May 25, 11:25 UTCMay 25, 11:35 UTC10m
2026-05-25 IGO744E CCJ → HYD May 25, 07:55 UTCMay 25, 08:30 UTC35m
2026-05-25 IGO566V - May 25, 03:10 UTCMay 25, 06:50 UTC3h 40m
2026-05-25 IGO6245 CCU → DEL May 25, 01:55 UTCMay 25, 02:15 UTC20m
2026-05-24 IGO6072 CCJ → DEL May 24, 13:30 UTCMay 24, 16:10 UTC2h 40m
2026-05-23 IGO566V - May 23, 15:35 UTCMay 24, 06:40 UTC15h 5m
2026-05-23 IGO5242 GOI → BOM May 23, 14:00 UTCMay 23, 14:30 UTC30m
2026-05-23 IGO456E BOM → GOI May 23, 11:20 UTCMay 23, 11:35 UTC15m
2026-05-23 IGO5275 IXB → BOM May 23, 08:10 UTCMay 23, 08:30 UTC20m
2026-05-23 IGO5275 IXB → BOM May 23, 06:05 UTCMay 23, 06:40 UTC35m
2026-05-23 IGO5305 BOM → IXB May 23, 02:35 UTCMay 23, 04:35 UTC2h 0m
2026-05-23 IGO5002 NAG → BOM May 23, 00:50 UTCMay 23, 01:05 UTC15m
2026-05-22 IGO104J - May 22, 17:45 UTCMay 22, 18:00 UTC15m
2026-05-22 IGO6027 DEL → GAU May 22, 12:35 UTCMay 22, 15:35 UTC3h 0m
2026-05-22 IGO2025 PAT → BOM May 22, 09:00 UTCMay 22, 09:20 UTC20m
2026-05-22 IGO2025 PAT → BOM May 22, 07:20 UTCMay 22, 07:45 UTC25m
2026-05-22 IGO568M - May 22, 03:55 UTCMay 22, 05:40 UTC1h 45m
2026-05-22 IGO978V - May 22, 02:15 UTCMay 22, 02:40 UTC25m
2026-05-21 IGO65VM - May 21, 13:35 UTCMay 21, 13:50 UTC15m
2026-05-21 IGO512E IXE → BLR May 21, 11:35 UTCMay 21, 12:40 UTC1h 5m
2026-05-21 IGO5306 BLR → IXE May 21, 09:45 UTCMay 21, 09:55 UTC10m
2026-05-21 IGO26P - May 21, 06:25 UTCMay 21, 07:15 UTC50m
2026-05-21 IGO1167 BLR → CMB May 21, 03:30 UTCMay 21, 04:20 UTC50m
2026-05-20 IGO6104 BLR → PNQ May 20, 07:00 UTCMay 20, 07:10 UTC10m
2026-05-20 IGO6799 IXR → BLR May 20, 05:05 UTCMay 20, 05:30 UTC25m
2026-05-19 IGO126 PAT → PNQ May 19, 21:45 UTCMay 19, 22:00 UTC15m
2026-05-19 IGO653 PNQ → PAT May 19, 19:45 UTCMay 19, 20:00 UTC15m
2026-05-19 IGO221 BLR → IXR May 19, 12:35 UTCMay 19, 12:50 UTC15m

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

Mode-S 8015A4 frequently asked

What is Mode-S code 8015A4?
8015A4 is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-IPS.
Where is Mode-S 8015A4 registered?
Mode-S code 8015A4 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8015A4 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8015A4, octal 40012644, decimal 8,394,148.
What flights does 8015A4 operate?
Mode-S 8015A4 has broadcast 20 distinct callsigns, including IGO501E, IGO6417, IGO653, IGO5306, IGO512E.