Apparatus

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sensors Mode-S transponder

8018B9

ICAO 24-bit transponder address · allocated to India

Hex
8018B9
Octal
40014271
Decimal
8,394,937
Country
IN
No current signal · last broadcast Jul 26, 16:15 UTC
Flights observed
705
Distinct callsigns
20
Country
IN
Last broadcast
Jul 26, 16:15 UTC

Last known position

Most recent position reported by Mode-S 8018B9.

Country allocation

The ICAO 24-bit address 8018B9 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
IGO392F - 12 2026-07-26
IGO943Y - 10 2026-07-26
IGO451M IndiGo Airlines 10 2026-07-25
IGO5376 IndiGo Airlines 9 2026-07-26
IGO850 - 8 2026-06-17
IGO6047 - 8 2026-06-23
IGO311W - 8 2026-06-23
IGO675 - 7 2026-07-13
IGO604H - 7 2026-05-30
IGO5293 IndiGo Airlines 7 2026-06-08
IGO5217 IndiGo Airlines 7 2026-05-30
IGO449 - 7 2026-06-23
IGO332P - 7 2026-07-12
IGO127L - 7 2026-07-13
IGO764V - 6 2026-07-12
IGO6054 - 6 2026-06-26
IGO5388 IndiGo Airlines 6 2026-06-08
IGO38FL - 6 2026-07-25
IGO324P IndiGo Airlines 6 2026-07-25
IGO203M IndiGo Airlines 6 2026-06-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 IGO5376 BLR → BOM Jul 26, 15:45 UTCJul 26, 16:15 UTC30m
2026-07-26 IGO5376 BLR → BOM Jul 26, 14:50 UTCJul 26, 15:00 UTC10m
2026-07-26 IGO943Y - Jul 26, 12:25 UTCJul 26, 12:55 UTC30m
2026-07-26 IGO943Y - Jul 26, 11:40 UTCJul 26, 11:50 UTC10m
2026-07-26 IGO392F - Jul 26, 10:00 UTCJul 26, 10:25 UTC25m
2026-07-26 IGO392F - Jul 26, 09:10 UTCJul 26, 09:20 UTC10m
2026-07-26 IGO121V DEL → BLR Jul 26, 07:50 UTCJul 26, 08:00 UTC10m
2026-07-26 IGO121V DEL → BLR Jul 26, 05:40 UTCJul 26, 06:15 UTC35m
2026-07-26 IGO863V BLR → DEL Jul 26, 01:35 UTCJul 26, 03:55 UTC2h 20m
2026-07-25 IGO426L CCU → HYD Jul 25, 23:40 UTCJul 25, 23:50 UTC10m
2026-07-25 IGO426L CCU → HYD Jul 25, 21:35 UTCJul 25, 22:10 UTC35m
2026-07-25 IGO392M - Jul 25, 15:50 UTCJul 25, 18:10 UTC2h 20m
2026-07-25 IGO38FL - Jul 25, 14:35 UTCJul 25, 14:45 UTC10m
2026-07-25 IGO38FL - Jul 25, 12:25 UTCJul 25, 13:05 UTC40m
2026-07-25 IGO324P VNS → CCU Jul 25, 08:20 UTCJul 25, 10:55 UTC2h 35m
2026-07-25 IGO451M BLR → AMD Jul 25, 06:15 UTCJul 25, 06:50 UTC35m
2026-07-25 IGO451M BLR → AMD Jul 25, 04:15 UTCJul 25, 04:50 UTC35m
2026-07-24 IGO15AL CCU → DEL Jul 24, 15:45 UTCJul 24, 17:35 UTC1h 50m
2026-07-24 IGO248F AMD → DEL Jul 24, 12:35 UTCJul 24, 14:30 UTC1h 55m
2026-07-24 IGO2275 DEL → CJB Jul 24, 08:40 UTCJul 24, 10:35 UTC1h 55m
2026-07-24 IGO497W DEL → CCU Jul 24, 05:05 UTCJul 24, 06:50 UTC1h 45m
2026-07-24 IGO471J CCU → DEL Jul 24, 01:30 UTCJul 24, 03:20 UTC1h 50m
2026-07-23 IGO374F DEL → CCU Jul 23, 18:20 UTCJul 23, 20:10 UTC1h 50m
2026-07-23 IGO149K DEL → DEL Jul 23, 11:20 UTCJul 23, 16:25 UTC5h 5m
2026-07-23 IGO6031 HYD → DEL Jul 23, 04:40 UTCJul 23, 10:00 UTC5h 20m
2026-07-22 IGO415Y DEL → DEL Jul 22, 15:50 UTCJul 23, 03:05 UTC11h 15m
2026-07-22 IGO264E DEL → PNQ Jul 22, 12:25 UTCJul 22, 14:15 UTC1h 50m
2026-07-22 IGO315J DEL → CCU Jul 22, 02:50 UTCJul 22, 04:40 UTC1h 50m
2026-07-21 IGO665W DEL → DEL Jul 21, 13:20 UTCJul 21, 19:20 UTC6h 0m
2026-07-21 IGO701J DEL → DEL Jul 21, 05:55 UTCJul 21, 11:45 UTC5h 50m
2026-07-21 IGO937 BDQ → BOM Jul 21, 01:00 UTCJul 21, 03:30 UTC2h 30m
2026-07-20 IGO6061 DEL → MAA Jul 20, 19:55 UTCJul 20, 20:10 UTC15m
2026-07-20 IGO6061 DEL → MAA Jul 20, 17:50 UTCJul 20, 18:30 UTC40m
2026-07-20 IGO46AF - Jul 20, 11:20 UTCJul 20, 16:45 UTC5h 25m
2026-07-20 IGO6293 CCU → BLR Jul 20, 04:40 UTCJul 20, 09:40 UTC5h 0m
2026-07-19 IGO334V HYD → BHO Jul 19, 15:50 UTCJul 20, 03:00 UTC11h 10m
2026-07-19 IGO264E CCU → DEL Jul 19, 12:05 UTCJul 19, 14:00 UTC1h 55m
2026-07-19 IGO910 DEL → CCU Jul 19, 08:55 UTCJul 19, 10:45 UTC1h 50m
2026-07-19 IGO769V CCU → DEL Jul 19, 05:05 UTCJul 19, 06:50 UTC1h 45m
2026-07-19 IGO315J DEL → CCU Jul 19, 02:00 UTCJul 19, 03:55 UTC1h 55m
2026-07-18 IGO461L - Jul 18, 18:20 UTCJul 18, 20:00 UTC1h 40m
2026-07-18 IGO9051 - Jul 18, 12:40 UTCJul 18, 15:55 UTC3h 15m
2026-07-18 IGO1604 - Jul 18, 10:30 UTCJul 18, 10:35 UTC5m
2026-07-18 IGO1604 - Jul 18, 06:55 UTCJul 18, 09:25 UTC2h 30m
2026-07-18 IGO1347 - Jul 18, 01:20 UTCJul 18, 05:15 UTC3h 56m
2026-07-17 IGO1054 - Jul 17, 14:00 UTCJul 17, 17:35 UTC3h 35m
2026-07-17 IGO1059 - Jul 17, 07:55 UTCJul 17, 12:19 UTC4h 25m
2026-07-16 IGO6225 - Jul 16, 18:19 UTCJul 16, 18:44 UTC25m
2026-07-16 IGO137P - Jul 16, 15:00 UTCJul 16, 17:40 UTC2h 40m
2026-07-16 IGO137P - Jul 16, 14:10 UTCJul 16, 14:20 UTC10m

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.

Mode-S 8018B9 frequently asked

What is Mode-S code 8018B9?
8018B9 is an ICAO 24-bit transponder address. Allocated to India.
Where is Mode-S 8018B9 registered?
Mode-S code 8018B9 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8018B9 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 16:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8018B9, octal 40014271, decimal 8,394,937.
What flights does 8018B9 operate?
Mode-S 8018B9 has broadcast 20 distinct callsigns, including IGO392F, IGO943Y, IGO451M, IGO5376, IGO850.