Apparatus

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sensors Mode-S transponder

8001BB

ICAO 24-bit transponder address · allocated to India

Currently assigned to VT-NJB · CESSNA 525A Citation CJ2

Hex
8001BB
Octal
40000673
Decimal
8,389,051
Country
IN
Tail
VT-NJB
Type
C25A
No current signal · last broadcast 12d ago
Flights observed
65
Distinct callsigns
1
Country
IN
Last broadcast
12d ago

Last known position

Most recent position reported by Mode-S 8001BB.

Country allocation

The ICAO 24-bit address 8001BB 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 1 distinct

Callsign Airline Flights Last seen
VTNJB - 65 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-08 VTNJB - Jul 8, 05:20 UTCJul 8, 05:55 UTC35m
2026-07-05 VTNJB - Jul 5, 12:10 UTCJul 5, 12:40 UTC30m
2026-07-05 VTNJB - Jul 5, 04:05 UTCJul 5, 04:25 UTC20m
2026-07-03 VTNJB - Jul 3, 05:45 UTCJul 3, 06:15 UTC30m
2026-06-30 VTNJB - Jun 30, 15:10 UTCJun 30, 15:25 UTC15m
2026-06-30 VTNJB - Jun 30, 09:50 UTCJun 30, 10:00 UTC10m
2026-06-30 VTNJB - Jun 30, 03:50 UTCJun 30, 04:15 UTC25m
2026-06-28 VTNJB - Jun 28, 10:39 UTCJun 28, 10:55 UTC15m
2026-06-28 VTNJB - Jun 28, 09:15 UTCJun 28, 09:30 UTC15m
2026-06-28 VTNJB - Jun 28, 05:15 UTCJun 28, 05:24 UTC10m
2026-06-27 VTNJB - Jun 27, 09:24 UTCJun 27, 09:44 UTC20m
2026-06-27 VTNJB - Jun 27, 02:14 UTCJun 27, 02:29 UTC15m
2026-06-27 VTNJB - Jun 27, 00:29 UTCJun 27, 00:55 UTC25m
2026-06-23 VTNJB - Jun 23, 10:55 UTCJun 23, 11:10 UTC15m
2026-06-23 VTNJB - Jun 23, 08:54 UTCJun 23, 09:14 UTC20m
2026-06-22 VTNJB - Jun 22, 14:05 UTCJun 22, 14:19 UTC15m
2026-06-22 VTNJB - Jun 22, 10:49 UTCJun 22, 11:14 UTC25m
2026-06-17 VTNJB - Jun 17, 10:50 UTCJun 17, 11:05 UTC15m
2026-06-14 VTNJB - Jun 14, 11:15 UTCJun 14, 11:25 UTC10m
2026-06-14 VTNJB - Jun 14, 09:40 UTCJun 14, 10:00 UTC20m
2026-06-14 VTNJB - Jun 14, 07:45 UTCJun 14, 08:10 UTC25m
2026-06-14 VTNJB - Jun 14, 07:15 UTCJun 14, 07:40 UTC25m
2026-06-12 VTNJB - Jun 12, 15:25 UTCJun 12, 15:40 UTC15m
2026-06-11 VTNJB - Jun 11, 09:20 UTCJun 11, 09:55 UTC35m
2026-06-10 VTNJB - Jun 10, 07:20 UTCJun 10, 07:30 UTC10m
2026-06-10 VTNJB - Jun 10, 04:40 UTCJun 10, 04:55 UTC15m
2026-06-08 VTNJB - Jun 8, 11:50 UTCJun 8, 12:05 UTC15m
2026-06-07 VTNJB - Jun 7, 11:25 UTCJun 7, 11:45 UTC20m
2026-06-05 VTNJB - Jun 5, 08:40 UTCJun 5, 14:35 UTC5h 55m
2026-06-05 VTNJB - Jun 5, 03:25 UTCJun 5, 03:40 UTC15m
2026-06-03 VTNJB - Jun 3, 16:05 UTCJun 3, 16:20 UTC15m
2026-06-02 VTNJB - Jun 2, 09:45 UTCJun 2, 10:00 UTC15m
2026-06-01 VTNJB - Jun 1, 08:25 UTCJun 1, 08:40 UTC15m
2026-06-01 VTNJB - Jun 1, 01:35 UTCJun 1, 01:45 UTC10m
2026-05-25 VTNJB - May 25, 12:20 UTCMay 25, 12:35 UTC15m
2026-05-24 VTNJB - May 24, 11:10 UTCMay 24, 11:20 UTC10m
2026-05-24 VTNJB - May 24, 10:10 UTCMay 24, 10:30 UTC20m
2026-05-20 VTNJB - May 20, 11:20 UTCMay 20, 11:30 UTC10m
2026-05-19 VTNJB - May 19, 15:30 UTCMay 19, 15:55 UTC25m
2026-05-19 VTNJB - May 19, 13:10 UTCMay 19, 13:20 UTC10m
2026-05-19 VTNJB - May 19, 06:50 UTCMay 19, 07:05 UTC15m
2026-05-17 VTNJB - May 17, 05:55 UTCMay 17, 06:25 UTC30m
2026-05-16 VTNJB - May 16, 04:15 UTCMay 16, 04:35 UTC20m
2026-05-11 VTNJB - May 11, 03:45 UTCMay 11, 04:05 UTC20m
2026-05-11 VTNJB - May 11, 03:05 UTCMay 11, 03:25 UTC20m
2026-05-09 VTNJB - May 9, 15:20 UTCMay 9, 15:45 UTC25m
2026-05-09 VTNJB - May 9, 09:50 UTCMay 9, 10:10 UTC20m
2026-05-03 VTNJB - May 3, 15:45 UTCMay 3, 15:55 UTC10m
2026-05-03 VTNJB - May 3, 12:40 UTCMay 3, 13:00 UTC20m
2026-05-03 VTNJB - May 3, 09:30 UTCMay 3, 09:45 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-NJB page for operator, model, and routing details .

Mode-S 8001BB frequently asked

What is Mode-S code 8001BB?
8001BB is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-NJB.
Where is Mode-S 8001BB registered?
Mode-S code 8001BB is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8001BB broadcasting right now?
No active broadcast right now. Last signal was 12d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8001BB, octal 40000673, decimal 8,389,051.
What flights does 8001BB operate?
Mode-S 8001BB has broadcast 1 distinct callsign, including VTNJB.