sensors Mode-S transponder
A5F758
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N4839G · CESSNA 172 Skyhawk · operated by PAW LIFTER AERO LLC
- Hex
- A5F758
- Octal
- 51373530
- Decimal
- 10,876,760
- Country
- US
- Tail
- N4839G
- Type
- C172
- Flights observed
- 49
- Distinct callsigns
- 1
- Country
- US
- Last broadcast
- 16d ago
Current position
Country allocation
The ICAO 24-bit address A5F758 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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 |
|---|---|---|---|
| N4839G | - | 49 | 2026-07-25 |
Recent flights last 49
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-25 | N4839G | - | Jul 25, 02:45 UTC | Jul 25, 03:10 UTC | 25m |
| 2026-07-24 | N4839G | - | Jul 24, 22:35 UTC | Jul 24, 22:55 UTC | 20m |
| 2026-07-23 | N4839G | MDN → MDN | Jul 23, 10:45 UTC | Jul 23, 11:10 UTC | 25m |
| 2026-07-22 | N4839G | - | Jul 22, 01:30 UTC | Jul 22, 03:25 UTC | 1h 55m |
| 2026-07-19 | N4839G | - | Jul 19, 14:40 UTC | Jul 19, 15:45 UTC | 1h 5m |
| 2026-07-15 | N4839G | - | Jul 15, 20:35 UTC | Jul 15, 21:35 UTC | 1h 0m |
| 2026-07-06 | N4839G | - | Jul 6, 17:05 UTC | Jul 6, 17:50 UTC | 45m |
| 2026-07-04 | N4839G | - | Jul 4, 15:10 UTC | Jul 4, 17:15 UTC | 2h 5m |
| 2026-07-04 | N4839G | - | Jul 4, 13:40 UTC | Jul 4, 14:25 UTC | 45m |
| 2026-07-03 | N4839G | - | Jul 3, 18:30 UTC | Jul 3, 19:05 UTC | 35m |
| 2026-07-03 | N4839G | - | Jul 3, 02:55 UTC | Jul 3, 03:40 UTC | 45m |
| 2026-07-02 | N4839G | - | Jul 2, 22:45 UTC | Jul 2, 23:05 UTC | 20m |
| 2026-06-24 | N4839G | - | Jun 24, 14:45 UTC | Jun 24, 15:14 UTC | 30m |
| 2026-06-24 | N4839G | - | Jun 24, 12:04 UTC | Jun 24, 12:40 UTC | 35m |
| 2026-06-23 | N4839G | - | Jun 23, 15:59 UTC | Jun 23, 16:44 UTC | 45m |
| 2026-06-21 | N4839G | - | Jun 21, 18:29 UTC | Jun 21, 19:00 UTC | 30m |
| 2026-06-21 | N4839G | - | Jun 21, 15:54 UTC | Jun 21, 16:25 UTC | 30m |
| 2026-06-20 | N4839G | - | Jun 20, 17:04 UTC | Jun 20, 17:54 UTC | 50m |
| 2026-06-16 | N4839G | MDN → MDN | Jun 16, 11:55 UTC | Jun 16, 12:50 UTC | 55m |
| 2026-06-12 | N4839G | - | Jun 12, 22:00 UTC | Jun 12, 23:05 UTC | 1h 5m |
| 2026-06-12 | N4839G | - | Jun 12, 19:30 UTC | Jun 12, 20:25 UTC | 55m |
| 2026-06-12 | N4839G | - | Jun 12, 13:40 UTC | Jun 12, 16:50 UTC | 3h 10m |
| 2026-06-11 | N4839G | - | Jun 11, 17:15 UTC | Jun 11, 17:30 UTC | 15m |
| 2026-06-08 | N4839G | - | Jun 8, 10:20 UTC | Jun 8, 10:40 UTC | 20m |
| 2026-06-08 | N4839G | - | Jun 8, 00:30 UTC | Jun 8, 01:15 UTC | 45m |
| 2026-06-07 | N4839G | - | Jun 7, 14:15 UTC | Jun 7, 14:35 UTC | 20m |
| 2026-06-07 | N4839G | - | Jun 7, 11:45 UTC | Jun 7, 13:40 UTC | 1h 55m |
| 2026-05-29 | N4839G | - | May 29, 14:15 UTC | May 29, 15:25 UTC | 1h 10m |
| 2026-05-27 | N4839G | - | May 27, 18:15 UTC | May 27, 18:30 UTC | 15m |
| 2026-05-25 | N4839G | - | May 25, 18:00 UTC | May 25, 19:50 UTC | 1h 50m |
| 2026-05-10 | N4839G | - | May 10, 14:59 UTC | May 10, 15:19 UTC | 20m |
| 2026-05-10 | N4839G | - | May 10, 12:54 UTC | May 10, 13:25 UTC | 30m |
| 2026-05-09 | N4839G | - | May 9, 22:39 UTC | May 9, 23:00 UTC | 20m |
| 2026-05-08 | N4839G | - | May 8, 18:00 UTC | May 8, 18:25 UTC | 25m |
| 2026-05-08 | N4839G | - | May 8, 15:50 UTC | May 8, 16:35 UTC | 45m |
| 2026-05-08 | N4839G | - | May 8, 13:50 UTC | May 8, 14:40 UTC | 50m |
| 2026-05-07 | N4839G | - | May 7, 19:55 UTC | May 7, 20:40 UTC | 45m |
| 2026-05-07 | N4839G | - | May 7, 13:10 UTC | May 7, 13:30 UTC | 20m |
| 2026-05-03 | N4839G | - | May 3, 13:40 UTC | May 3, 16:00 UTC | 2h 20m |
| 2026-05-03 | N4839G | - | May 3, 01:35 UTC | May 3, 01:55 UTC | 20m |
| 2026-05-02 | N4839G | - | May 2, 22:50 UTC | May 2, 23:05 UTC | 15m |
| 2026-05-02 | N4839G | - | May 2, 13:25 UTC | May 2, 13:35 UTC | 10m |
| 2026-05-01 | N4839G | - | May 1, 00:15 UTC | May 1, 01:00 UTC | 45m |
| 2026-04-30 | N4839G | - | Apr 30, 20:15 UTC | Apr 30, 21:00 UTC | 45m |
| 2026-04-28 | N4839G | - | Apr 28, 20:30 UTC | Apr 28, 22:10 UTC | 1h 40m |
| 2026-04-26 | N4839G | - | Apr 26, 17:55 UTC | Apr 26, 19:30 UTC | 1h 35m |
| 2026-04-26 | N4839G | - | Apr 26, 14:50 UTC | Apr 26, 15:30 UTC | 40m |
| 2026-04-24 | N4839G | - | Apr 24, 16:10 UTC | Apr 24, 16:25 UTC | 15m |
| 2026-04-22 | N4839G | - | Apr 22, 11:05 UTC | Apr 22, 11:55 UTC | 50m |
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 N4839G page for operator, model, and routing details .