sensors Mode-S transponder
4247E0
ICAO 24-bit transponder address · allocated to United Kingdom
Currently assigned to VP-CIY · BOEING 737 MAX 8
- Hex
- 4247E0
- Octal
- 20443740
- Decimal
- 4,343,776
- Country
- GB
- Tail
- VP-CIY
- Type
- B38M
- Flights observed
- 84
- Distinct callsigns
- 20
- Country
- GB
- Last broadcast
- 12h ago
Last known position
Country allocation
The ICAO 24-bit address 4247E0 falls within the block assigned to United Kingdom (GB) by ICAO Annex 10, Volume III. Every aircraft registered in United Kingdom 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 |
|---|---|---|---|
| CAY795 | Cayman Airways | 14 | 2026-05-20 |
| CAY794 | Cayman Airways | 11 | 2026-05-20 |
| CAY106 | Cayman Airways | 9 | 2026-05-18 |
| CAY107 | Cayman Airways | 8 | 2026-05-26 |
| CAY102 | Cayman Airways | 6 | 2026-05-28 |
| CAY481 | Cayman Airways | 5 | 2026-05-10 |
| CAY202 | Cayman Airways | 5 | 2026-05-18 |
| CAY852 | Cayman Airways | 4 | 2026-05-20 |
| CAY480 | Cayman Airways | 4 | 2026-05-09 |
| CAY203 | Cayman Airways | 3 | 2026-05-18 |
| CAY103 | Cayman Airways | 3 | 2026-05-29 |
| CAY330 | Cayman Airways | 2 | 2026-05-24 |
| CAY105 | Cayman Airways | 2 | 2026-05-06 |
| CAY104 | Cayman Airways | 2 | 2026-05-06 |
| CAY853 | - | 1 | 2026-04-16 |
| CAY793 | Cayman Airways | 1 | 2026-05-25 |
| CAY441 | Cayman Airways | 1 | 2026-05-16 |
| CAY440 | Cayman Airways | 1 | 2026-05-16 |
| CAY331 | Cayman Airways | 1 | 2026-05-24 |
| CAY200 | Cayman Airways | 1 | 2026-05-23 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | CAY103 | MIA → GCM | May 29, 15:40 UTC | May 29, 16:05 UTC | 25m |
| 2026-05-28 | CAY102 | GCM → MIA | May 28, 21:00 UTC | May 29, 13:30 UTC | 16h 30m |
| 2026-05-28 | CAY102 | GCM → MIA | May 28, 17:10 UTC | May 29, 13:30 UTC | 20h 20m |
| 2026-05-26 | CAY107 | MIA → GCM | May 26, 01:14 UTC | May 26, 01:40 UTC | 25m |
| 2026-05-25 | CAY793 | JFK → GCM | May 25, 16:40 UTC | May 25, 23:04 UTC | 6h 25m |
| 2026-05-24 | CAY331 | AUS → GCM | May 24, 19:40 UTC | May 25, 03:20 UTC | 7h 40m |
| 2026-05-24 | CAY330 | GCM → AUS | May 24, 14:20 UTC | May 24, 16:40 UTC | 2h 20m |
| 2026-05-23 | CAY330 | GCM → AUS | May 23, 19:10 UTC | May 24, 16:40 UTC | 21h 30m |
| 2026-05-23 | CAY200 | GCM → TPA | May 23, 17:00 UTC | May 23, 18:00 UTC | 1h 0m |
| 2026-05-22 | CAY103 | MIA → GCM | May 22, 15:55 UTC | May 22, 16:20 UTC | 25m |
| 2026-05-21 | CAY102 | GCM → MIA | May 21, 20:50 UTC | May 22, 13:35 UTC | 16h 45m |
| 2026-05-21 | CAY102 | GCM → MIA | May 21, 17:35 UTC | May 22, 13:35 UTC | 20h 0m |
| 2026-05-20 | CAY852 | GCM → PTY | May 20, 22:05 UTC | May 21, 21:15 UTC | 23h 10m |
| 2026-05-20 | CAY795 | JFK → GCM | May 20, 20:05 UTC | May 21, 18:00 UTC | 21h 55m |
| 2026-05-20 | CAY795 | JFK → GCM | May 20, 19:55 UTC | May 21, 18:00 UTC | 22h 5m |
| 2026-05-20 | CAY794 | GCM → JFK | May 20, 13:45 UTC | May 20, 16:20 UTC | 2h 35m |
| 2026-05-19 | CAY107 | MIA → GCM | May 19, 01:05 UTC | May 19, 01:30 UTC | 25m |
| 2026-05-18 | CAY106 | GCM → MIA | May 18, 22:25 UTC | May 18, 23:00 UTC | 35m |
| 2026-05-18 | CAY203 | TPA → GCM | May 18, 02:25 UTC | May 18, 23:00 UTC | 20h 34m |
| 2026-05-18 | CAY202 | GCM → TPA | May 18, 00:00 UTC | May 18, 00:45 UTC | 45m |
| 2026-05-17 | CAY202 | GCM → TPA | May 17, 15:35 UTC | May 17, 20:50 UTC | 5h 15m |
| 2026-05-16 | CAY441 | DEN → GCM | May 16, 22:15 UTC | May 17, 13:10 UTC | 14h 55m |
| 2026-05-16 | CAY440 | GCM → DEN | May 16, 16:00 UTC | May 16, 19:55 UTC | 3h 55m |
| 2026-05-15 | CAY795 | JFK → GCM | May 15, 19:15 UTC | May 16, 18:00 UTC | 22h 46m |
| 2026-05-15 | CAY794 | GCM → JFK | May 15, 00:50 UTC | May 15, 16:30 UTC | 15h 39m |
| 2026-05-14 | CAY106 | GCM → MIA | May 14, 22:30 UTC | May 14, 23:10 UTC | 40m |
| 2026-05-11 | CAY852 | GCM → PTY | May 11, 17:20 UTC | May 11, 21:05 UTC | 3h 45m |
| 2026-05-11 | CAY107 | MIA → GCM | May 11, 01:25 UTC | May 11, 21:05 UTC | 19h 41m |
| 2026-05-10 | CAY106 | GCM → MIA | May 10, 22:49 UTC | May 10, 23:15 UTC | 25m |
| 2026-05-10 | CAY481 | LAX → GCM | May 10, 15:45 UTC | May 10, 19:00 UTC | 3h 15m |
| 2026-05-09 | CAY480 | GCM → LAX | May 9, 17:15 UTC | May 10, 02:39 UTC | 9h 25m |
| 2026-05-08 | CAY795 | JFK → GCM | May 8, 20:05 UTC | May 9, 15:35 UTC | 19h 30m |
| 2026-05-08 | CAY795 | JFK → GCM | May 8, 19:30 UTC | May 9, 15:35 UTC | 20h 5m |
| 2026-05-08 | CAY794 | GCM → JFK | May 8, 14:20 UTC | May 8, 16:55 UTC | 2h 35m |
| 2026-05-06 | CAY105 | MIA → GCM | May 6, 19:45 UTC | May 6, 20:15 UTC | 30m |
| 2026-05-06 | CAY104 | GCM → MIA | May 6, 17:10 UTC | May 6, 17:45 UTC | 34m |
| 2026-05-05 | CAY107 | MIA → GCM | May 5, 01:15 UTC | May 5, 01:40 UTC | 25m |
| 2026-05-04 | CAY106 | GCM → MIA | May 4, 22:25 UTC | May 4, 22:55 UTC | 30m |
| 2026-05-04 | CAY107 | MIA → GCM | May 4, 02:35 UTC | May 4, 22:55 UTC | 20h 21m |
| 2026-05-03 | CAY481 | LAX → GCM | May 3, 16:15 UTC | May 3, 23:30 UTC | 7h 15m |
| 2026-05-02 | CAY480 | GCM → LAX | May 2, 17:10 UTC | May 3, 03:00 UTC | 9h 50m |
| 2026-05-01 | CAY795 | JFK → GCM | May 1, 20:05 UTC | May 2, 15:15 UTC | 19h 10m |
| 2026-05-01 | CAY795 | JFK → GCM | May 1, 19:25 UTC | May 2, 15:15 UTC | 19h 51m |
| 2026-05-01 | CAY794 | GCM → JFK | May 1, 02:40 UTC | May 1, 16:35 UTC | 13h 55m |
| 2026-04-30 | CAY106 | GCM → MIA | Apr 30, 17:25 UTC | May 1, 00:40 UTC | 7h 15m |
| 2026-04-27 | CAY203 | TPA → GCM | Apr 27, 20:30 UTC | Apr 27, 21:15 UTC | 45m |
| 2026-04-27 | CAY202 | GCM → TPA | Apr 27, 15:30 UTC | Apr 27, 19:20 UTC | 3h 50m |
| 2026-04-27 | CAY102 | GCM → MIA | Apr 27, 02:00 UTC | Apr 27, 13:30 UTC | 11h 30m |
| 2026-04-26 | CAY481 | LAX → GCM | Apr 26, 16:20 UTC | Apr 26, 23:25 UTC | 7h 5m |
| 2026-04-25 | CAY480 | GCM → LAX | Apr 25, 17:20 UTC | Apr 26, 03:25 UTC | 10h 5m |
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 VP-CIY page for operator, model, and routing details .