sensors Mode-S transponder
80181C
ICAO 24-bit transponder address · allocated to India
Currently assigned to VT-SRE · CESSNA 525A Citation CJ2
- Hex
- 80181C
- Octal
- 40014034
- Decimal
- 8,394,780
- Country
- IN
- Tail
- VT-SRE
- Type
- C25A
- Flights observed
- 59
- Distinct callsigns
- 1
- Country
- IN
- Last broadcast
- 1d ago
Last known position
Country allocation
The ICAO 24-bit address 80181C 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 |
|---|---|---|---|
| VTSRE | - | 59 | 2026-07-23 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-23 | VTSRE | - | Jul 23, 11:15 UTC | Jul 23, 12:00 UTC | 45m |
| 2026-07-21 | VTSRE | - | Jul 21, 14:20 UTC | Jul 21, 15:05 UTC | 45m |
| 2026-07-21 | VTSRE | - | Jul 21, 09:35 UTC | Jul 21, 10:10 UTC | 35m |
| 2026-07-21 | VTSRE | - | Jul 21, 05:35 UTC | Jul 21, 06:30 UTC | 55m |
| 2026-07-17 | VTSRE | - | Jul 17, 03:30 UTC | Jul 17, 05:10 UTC | 1h 40m |
| 2026-07-14 | VTSRE | - | Jul 14, 11:05 UTC | Jul 14, 12:05 UTC | 1h 0m |
| 2026-07-13 | VTSRE | - | Jul 13, 16:15 UTC | Jul 14, 12:05 UTC | 19h 50m |
| 2026-07-13 | VTSRE | - | Jul 13, 11:45 UTC | Jul 13, 12:15 UTC | 30m |
| 2026-07-07 | VTSRE | - | Jul 7, 13:40 UTC | Jul 7, 14:15 UTC | 35m |
| 2026-07-07 | VTSRE | - | Jul 7, 02:35 UTC | Jul 7, 05:10 UTC | 2h 35m |
| 2026-07-05 | VTSRE | - | Jul 5, 15:10 UTC | Jul 6, 07:25 UTC | 16h 15m |
| 2026-07-04 | VTSRE | - | Jul 4, 16:05 UTC | Jul 5, 03:40 UTC | 11h 35m |
| 2026-07-03 | VTSRE | - | Jul 3, 16:15 UTC | Jul 3, 16:45 UTC | 30m |
| 2026-07-03 | VTSRE | - | Jul 3, 12:20 UTC | Jul 3, 12:45 UTC | 25m |
| 2026-07-02 | VTSRE | - | Jul 2, 12:15 UTC | Jul 2, 12:55 UTC | 40m |
| 2026-07-01 | VTSRE | - | Jul 1, 09:10 UTC | Jul 1, 09:35 UTC | 25m |
| 2026-06-30 | VTSRE | - | Jun 30, 14:35 UTC | Jun 30, 14:45 UTC | 10m |
| 2026-06-28 | VTSRE | - | Jun 28, 05:55 UTC | Jun 28, 06:15 UTC | 20m |
| 2026-06-27 | VTSRE | - | Jun 27, 10:50 UTC | Jun 27, 11:09 UTC | 20m |
| 2026-06-23 | VTSRE | - | Jun 23, 13:09 UTC | Jun 23, 13:24 UTC | 15m |
| 2026-06-23 | VTSRE | - | Jun 23, 03:34 UTC | Jun 23, 03:45 UTC | 10m |
| 2026-06-20 | VTSRE | - | Jun 20, 13:29 UTC | Jun 20, 13:49 UTC | 20m |
| 2026-06-20 | VTSRE | - | Jun 20, 03:19 UTC | Jun 20, 03:44 UTC | 25m |
| 2026-06-16 | VTSRE | - | Jun 16, 08:35 UTC | Jun 16, 09:00 UTC | 25m |
| 2026-06-16 | VTSRE | - | Jun 16, 06:30 UTC | Jun 16, 06:54 UTC | 25m |
| 2026-06-14 | VTSRE | - | Jun 14, 03:35 UTC | Jun 14, 03:55 UTC | 20m |
| 2026-06-13 | VTSRE | - | Jun 13, 08:20 UTC | Jun 13, 08:30 UTC | 10m |
| 2026-06-10 | VTSRE | - | Jun 10, 10:45 UTC | Jun 10, 11:20 UTC | 35m |
| 2026-06-10 | VTSRE | - | Jun 10, 09:05 UTC | Jun 10, 09:30 UTC | 25m |
| 2026-06-01 | VTSRE | - | Jun 1, 08:40 UTC | Jun 1, 08:50 UTC | 10m |
| 2026-05-31 | VTSRE | - | May 31, 16:10 UTC | May 31, 16:30 UTC | 20m |
| 2026-05-30 | VTSRE | - | May 30, 16:15 UTC | May 30, 16:30 UTC | 15m |
| 2026-05-27 | VTSRE | - | May 27, 06:44 UTC | May 27, 07:30 UTC | 46m |
| 2026-05-25 | VTSRE | - | May 25, 07:20 UTC | May 25, 08:05 UTC | 45m |
| 2026-05-23 | VTSRE | - | May 23, 11:00 UTC | May 23, 11:25 UTC | 25m |
| 2026-05-23 | VTSRE | - | May 23, 10:00 UTC | May 23, 10:20 UTC | 20m |
| 2026-05-22 | VTSRE | - | May 22, 12:05 UTC | May 22, 12:35 UTC | 30m |
| 2026-05-19 | VTSRE | - | May 19, 15:25 UTC | May 19, 15:50 UTC | 25m |
| 2026-05-19 | VTSRE | - | May 19, 14:30 UTC | May 19, 14:40 UTC | 10m |
| 2026-05-19 | VTSRE | - | May 19, 05:25 UTC | May 19, 05:45 UTC | 20m |
| 2026-05-18 | VTSRE | - | May 18, 09:00 UTC | May 18, 09:25 UTC | 25m |
| 2026-05-17 | VTSRE | - | May 17, 10:15 UTC | May 17, 10:40 UTC | 25m |
| 2026-05-14 | VTSRE | - | May 14, 05:50 UTC | May 14, 06:15 UTC | 25m |
| 2026-05-12 | VTSRE | - | May 12, 05:05 UTC | May 12, 06:20 UTC | 1h 15m |
| 2026-05-11 | VTSRE | - | May 11, 05:30 UTC | May 11, 09:15 UTC | 3h 45m |
| 2026-05-06 | VTSRE | - | May 6, 11:05 UTC | May 6, 12:15 UTC | 1h 10m |
| 2026-05-03 | VTSRE | - | May 3, 14:20 UTC | May 4, 04:09 UTC | 13h 50m |
| 2026-05-03 | VTSRE | - | May 3, 07:40 UTC | May 3, 07:55 UTC | 15m |
| 2026-05-02 | VTSRE | - | May 2, 12:50 UTC | May 2, 13:35 UTC | 45m |
| 2026-05-01 | VTSRE | - | May 1, 11:30 UTC | May 1, 12:00 UTC | 30m |
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-SRE page for operator, model, and routing details .