Apparatus

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sensors Mode-S transponder

801553

ICAO 24-bit transponder address · allocated to India

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

Hex
801553
Octal
40012523
Decimal
8,394,067
Country
IN
Tail
VT-TQO
Type
A20N
Broadcasting now · callsign AIC9WQ · 4,675 ft
Flights observed
548
Distinct callsigns
20
Country
IN
Last broadcast
Jul 26, 21:05 UTC

Current position

801553 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 801553 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
AIC1MQ - 9 2026-07-26
AIC5KE - 8 2026-07-20
AIC4PZ - 8 2026-07-21
AIC3KR Air India 8 2026-07-25
AIC3HB - 8 2026-07-20
AIC9EK - 7 2026-07-25
AIC8MZ - 7 2026-07-20
AIC7ME Air India 7 2026-06-14
AIC6DR - 7 2026-06-29
AIC5JL - 7 2026-06-14
AIC3CU Air India 7 2026-06-29
AIC4TE Air India 6 2026-06-27
AIC4SQ - 6 2026-06-08
AICD5U - 5 2026-04-27
AIC9NH - 5 2026-07-19
AIC6VY - 5 2026-07-16
AIC6MR - 5 2026-04-27
AIC5MB - 5 2026-04-18
AIC5EG Air India 5 2026-06-07
AIC8XR Air India 4 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AIC1MQ - Jul 26, 18:50 UTCJul 26, 21:05 UTC2h 15m
2026-07-26 AIC1FN BLR → DEL Jul 26, 14:40 UTCJul 26, 17:00 UTC2h 20m
2026-07-26 AIC4SW BOM → BLR Jul 26, 07:00 UTCJul 26, 08:15 UTC1h 15m
2026-07-26 AIC4TJ DEL → BOM Jul 26, 05:05 UTCJul 26, 05:30 UTC25m
2026-07-26 AIC4TJ DEL → BOM Jul 26, 03:35 UTCJul 26, 04:10 UTC35m
2026-07-26 AIC8XR AMD → DEL Jul 26, 01:35 UTCJul 26, 02:15 UTC40m
2026-07-25 AIC3VP BOM → AMD Jul 25, 16:05 UTCJul 25, 16:15 UTC10m
2026-07-25 AIC3KR IXC → BOM Jul 25, 14:20 UTCJul 25, 14:35 UTC15m
2026-07-25 AIC3KR IXC → BOM Jul 25, 12:40 UTCJul 25, 13:30 UTC50m
2026-07-25 AIC8GW BOM → IXC Jul 25, 09:20 UTCJul 25, 11:00 UTC1h 40m
2026-07-25 AIC9EK - Jul 25, 07:15 UTCJul 25, 07:35 UTC20m
2026-07-25 AIC9EK - Jul 25, 05:55 UTCJul 25, 06:30 UTC35m
2026-07-25 AIC6PC BLR → DEL Jul 25, 01:35 UTCJul 25, 04:00 UTC2h 25m
2026-07-24 AIC1ZH BOM → BLR Jul 24, 20:40 UTCJul 24, 22:00 UTC1h 20m
2026-07-24 AIC4DV AMD → BOM Jul 24, 15:45 UTCJul 24, 16:45 UTC1h 0m
2026-07-24 AIC6ZJ BOM → AMD Jul 24, 12:40 UTCJul 24, 12:50 UTC10m
2026-07-24 AIC1RG ATQ → BOM Jul 24, 09:40 UTCJul 24, 10:00 UTC20m
2026-07-24 AIC1RG ATQ → BOM Jul 24, 08:05 UTCJul 24, 08:50 UTC45m
2026-07-24 AIC1DC BOM → ATQ Jul 24, 04:55 UTCJul 24, 06:40 UTC1h 45m
2026-07-24 AIC7FE BDQ → BOM Jul 24, 02:45 UTCJul 24, 03:00 UTC15m
2026-07-24 AIC2HV BOM → BDQ Jul 24, 00:25 UTCJul 24, 00:35 UTC10m
2026-07-23 AIC4DV AMD → BOM Jul 23, 18:40 UTCJul 23, 18:55 UTC15m
2026-07-23 AIC6ZJ - Jul 23, 12:50 UTCJul 23, 13:05 UTC15m
2026-07-23 AIC1RG - Jul 23, 10:15 UTCJul 23, 10:35 UTC20m
2026-07-23 AIC1RG - Jul 23, 08:35 UTCJul 23, 09:25 UTC50m
2026-07-23 AIC1DC - Jul 23, 05:20 UTCJul 23, 07:00 UTC1h 40m
2026-07-23 AIC7FE BDQ → BOM Jul 23, 03:00 UTCJul 23, 03:30 UTC30m
2026-07-23 AIC2HV BOM → BDQ Jul 23, 00:35 UTCJul 23, 00:45 UTC10m
2026-07-22 AIC9MR - Jul 22, 17:55 UTCJul 22, 19:40 UTC1h 45m
2026-07-22 AIC8NP BOM → COK Jul 22, 15:10 UTCJul 22, 16:45 UTC1h 35m
2026-07-22 AIC5RP - Jul 22, 12:10 UTCJul 22, 12:40 UTC30m
2026-07-22 AIC5RP - Jul 22, 11:20 UTCJul 22, 11:35 UTC15m
2026-07-22 AIC3HK - Jul 22, 05:15 UTCJul 22, 05:25 UTC10m
2026-07-22 AIC5XG - Jul 22, 02:55 UTCJul 22, 03:20 UTC25m
2026-07-21 AIC8UU DEL → HYD Jul 21, 17:00 UTCJul 21, 17:35 UTC35m
2026-07-21 AIC9FP PNQ → DEL Jul 21, 13:30 UTCJul 21, 15:25 UTC1h 55m
2026-07-21 AIC6UU - Jul 21, 10:40 UTCJul 21, 11:10 UTC30m
2026-07-21 AIC9DF BLR → BOM Jul 21, 04:20 UTCJul 21, 06:05 UTC1h 45m
2026-07-21 AIC4PZ - Jul 21, 02:00 UTCJul 21, 02:35 UTC35m
2026-07-21 AIC4PZ - Jul 21, 01:10 UTCJul 21, 01:25 UTC15m
2026-07-20 AIC1MQ - Jul 20, 21:15 UTCJul 20, 21:25 UTC10m
2026-07-20 AIC1MQ - Jul 20, 19:05 UTCJul 20, 19:45 UTC40m
2026-07-20 AIC7SJ - Jul 20, 15:10 UTCJul 20, 16:35 UTC1h 25m
2026-07-20 AIC7CM DEL → HSR Jul 20, 12:55 UTCJul 20, 14:05 UTC1h 10m
2026-07-20 AIC3HB - Jul 20, 10:15 UTCJul 20, 10:45 UTC30m
2026-07-20 AIC3HB - Jul 20, 09:05 UTCJul 20, 09:20 UTC15m
2026-07-20 AIC8MZ - Jul 20, 06:10 UTCJul 20, 06:35 UTC25m
2026-07-20 AIC8MZ - Jul 20, 05:05 UTCJul 20, 05:20 UTC15m
2026-07-20 AIC5KE - Jul 20, 03:15 UTCJul 20, 03:30 UTC15m
2026-07-20 AIC5KE - Jul 20, 01:10 UTCJul 20, 01:45 UTC35m

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

Mode-S 801553 frequently asked

What is Mode-S code 801553?
801553 is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-TQO.
Where is Mode-S 801553 registered?
Mode-S code 801553 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 801553 broadcasting right now?
Yes. Mode-S 801553 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 801553, octal 40012523, decimal 8,394,067.
What flights does 801553 operate?
Mode-S 801553 has broadcast 20 distinct callsigns, including AIC1MQ, AIC5KE, AIC4PZ, AIC3KR, AIC3HB.