sensors Mode-S transponder
4248A7
ICAO 24-bit transponder address · allocated to United Kingdom
Currently assigned to VP-CIZ · BOEING 737 MAX 8
- Hex
- 4248A7
- Octal
- 20444247
- Decimal
- 4,343,975
- Country
- GB
- Tail
- VP-CIZ
- Type
- B38M
- Flights observed
- 91
- Distinct callsigns
- 20
- Country
- GB
- Last broadcast
- 19m ago
Last known position
Country allocation
The ICAO 24-bit address 4248A7 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 |
|---|---|---|---|
| CAY202 | Cayman Airways | 14 | 2026-05-28 |
| CAY203 | Cayman Airways | 11 | 2026-05-28 |
| CAY104 | Cayman Airways | 8 | 2026-05-26 |
| CAY794 | Cayman Airways | 7 | 2026-05-22 |
| CAY795 | Cayman Airways | 6 | 2026-05-22 |
| CAY201 | Cayman Airways | 6 | 2026-05-08 |
| CAY200 | Cayman Airways | 6 | 2026-05-08 |
| CAY102 | Cayman Airways | 6 | 2026-05-28 |
| CAY122 | Cayman Airways | 4 | 2026-05-30 |
| CAY106 | Cayman Airways | 4 | 2026-05-07 |
| CAY105 | Cayman Airways | 4 | 2026-05-26 |
| CAY103 | Cayman Airways | 4 | 2026-05-15 |
| CAY481 | Cayman Airways | 2 | 2026-05-24 |
| CAY480 | Cayman Airways | 2 | 2026-05-23 |
| CAY107 | Cayman Airways | 2 | 2026-05-18 |
| CAY853 | - | 1 | 2026-04-13 |
| CAY852 | Cayman Airways | 1 | 2026-04-13 |
| CAY441 | Cayman Airways | 1 | 2026-05-09 |
| CAY440 | Cayman Airways | 1 | 2026-05-09 |
| CAY123 | Cayman Airways | 1 | 2026-05-30 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | CAY123 | CYB → GCM | May 30, 17:10 UTC | May 30, 17:40 UTC | 30m |
| 2026-05-30 | CAY122 | GCM → MIA | May 30, 14:35 UTC | May 30, 15:15 UTC | 40m |
| 2026-05-28 | CAY203 | TPA → GCM | May 28, 20:50 UTC | May 28, 21:40 UTC | 50m |
| 2026-05-28 | CAY202 | GCM → TPA | May 28, 15:45 UTC | May 28, 19:50 UTC | 4h 5m |
| 2026-05-28 | CAY102 | GCM → MIA | May 28, 13:10 UTC | May 28, 13:40 UTC | 30m |
| 2026-05-26 | CAY105 | MIA → GCM | May 26, 19:40 UTC | May 26, 20:05 UTC | 25m |
| 2026-05-26 | CAY104 | GCM → MIA | May 26, 17:04 UTC | May 26, 17:35 UTC | 30m |
| 2026-05-24 | CAY481 | LAX → GCM | May 24, 15:55 UTC | May 24, 23:35 UTC | 7h 40m |
| 2026-05-23 | CAY480 | GCM → LAX | May 23, 17:25 UTC | May 24, 02:40 UTC | 9h 16m |
| 2026-05-23 | CAY122 | GCM → MIA | May 23, 00:20 UTC | May 23, 15:15 UTC | 14h 55m |
| 2026-05-22 | CAY795 | JFK → GCM | May 22, 19:45 UTC | May 22, 23:00 UTC | 3h 15m |
| 2026-05-22 | CAY794 | GCM → JFK | May 22, 00:50 UTC | May 22, 16:40 UTC | 15h 50m |
| 2026-05-21 | CAY202 | GCM → TPA | May 21, 15:20 UTC | May 21, 19:35 UTC | 4h 15m |
| 2026-05-21 | CAY102 | GCM → MIA | May 21, 12:45 UTC | May 21, 13:15 UTC | 30m |
| 2026-05-19 | CAY105 | MIA → GCM | May 19, 20:05 UTC | May 19, 20:35 UTC | 30m |
| 2026-05-19 | CAY104 | GCM → MIA | May 19, 17:25 UTC | May 19, 18:10 UTC | 45m |
| 2026-05-18 | CAY104 | GCM → MIA | May 18, 20:55 UTC | May 19, 18:10 UTC | 21h 15m |
| 2026-05-18 | CAY107 | MIA → GCM | May 18, 01:55 UTC | May 18, 21:20 UTC | 19h 24m |
| 2026-05-17 | CAY481 | LAX → GCM | May 17, 16:05 UTC | May 17, 23:30 UTC | 7h 25m |
| 2026-05-16 | CAY480 | GCM → LAX | May 16, 17:15 UTC | May 17, 03:00 UTC | 9h 45m |
| 2026-05-16 | CAY122 | GCM → MIA | May 16, 14:51 UTC | May 16, 15:25 UTC | 35m |
| 2026-05-15 | CAY122 | GCM → MIA | May 15, 15:50 UTC | May 16, 15:25 UTC | 23h 36m |
| 2026-05-15 | CAY103 | MIA → GCM | May 15, 15:35 UTC | May 15, 16:05 UTC | 30m |
| 2026-05-14 | CAY102 | GCM → MIA | May 14, 17:50 UTC | May 15, 13:25 UTC | 19h 35m |
| 2026-05-13 | CAY795 | JFK → GCM | May 13, 21:50 UTC | May 14, 21:40 UTC | 23h 50m |
| 2026-05-13 | CAY795 | JFK → GCM | May 13, 19:50 UTC | May 14, 18:15 UTC | 22h 25m |
| 2026-05-13 | CAY794 | GCM → JFK | May 13, 14:15 UTC | May 13, 17:00 UTC | 2h 45m |
| 2026-05-11 | CAY203 | TPA → GCM | May 11, 21:00 UTC | May 11, 21:45 UTC | 45m |
| 2026-05-11 | CAY202 | GCM → TPA | May 11, 15:50 UTC | May 11, 19:50 UTC | 4h 1m |
| 2026-05-10 | CAY203 | TPA → GCM | May 10, 20:30 UTC | May 11, 14:10 UTC | 17h 40m |
| 2026-05-10 | CAY202 | GCM → TPA | May 10, 15:09 UTC | May 10, 19:19 UTC | 4h 10m |
| 2026-05-09 | CAY441 | DEN → GCM | May 9, 21:40 UTC | May 10, 13:10 UTC | 15h 30m |
| 2026-05-09 | CAY440 | GCM → DEN | May 9, 01:30 UTC | May 9, 18:15 UTC | 16h 45m |
| 2026-05-08 | CAY201 | TPA → GCM | May 8, 19:50 UTC | May 8, 23:50 UTC | 4h 0m |
| 2026-05-08 | CAY200 | GCM → TPA | May 8, 00:54 UTC | May 8, 18:35 UTC | 17h 40m |
| 2026-05-07 | CAY106 | GCM → MIA | May 7, 22:15 UTC | May 7, 22:50 UTC | 35m |
| 2026-05-06 | CAY106 | GCM → MIA | May 6, 23:50 UTC | May 7, 22:50 UTC | 23h 0m |
| 2026-05-06 | CAY795 | JFK → GCM | May 6, 23:25 UTC | May 6, 23:50 UTC | 25m |
| 2026-05-06 | CAY795 | JFK → GCM | May 6, 19:25 UTC | May 6, 22:05 UTC | 2h 40m |
| 2026-05-06 | CAY794 | GCM → JFK | May 6, 13:50 UTC | May 6, 16:35 UTC | 2h 45m |
| 2026-05-05 | CAY794 | GCM → JFK | May 5, 19:50 UTC | May 6, 16:35 UTC | 20h 45m |
| 2026-05-05 | CAY104 | GCM → MIA | May 5, 17:15 UTC | May 5, 17:45 UTC | 30m |
| 2026-05-04 | CAY203 | TPA → GCM | May 4, 20:55 UTC | May 5, 17:45 UTC | 20h 50m |
| 2026-05-04 | CAY202 | GCM → TPA | May 4, 19:00 UTC | May 4, 19:45 UTC | 45m |
| 2026-05-04 | CAY103 | MIA → GCM | May 4, 15:40 UTC | May 4, 16:00 UTC | 20m |
| 2026-05-03 | CAY203 | TPA → GCM | May 3, 21:00 UTC | May 4, 13:15 UTC | 16h 15m |
| 2026-05-03 | CAY202 | GCM → TPA | May 3, 15:45 UTC | May 3, 19:40 UTC | 3h 55m |
| 2026-05-02 | CAY201 | TPA → GCM | May 2, 20:05 UTC | May 3, 13:45 UTC | 17h 39m |
| 2026-05-02 | CAY200 | GCM → TPA | May 2, 17:15 UTC | May 2, 18:10 UTC | 55m |
| 2026-05-01 | CAY103 | MIA → GCM | May 1, 15:30 UTC | May 1, 15:55 UTC | 25m |
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-CIZ page for operator, model, and routing details .