sensors Mode-S transponder
0C4157
ICAO 24-bit transponder address · allocated to Dominican Republic
Currently assigned to HI1065 · CESSNA 680 Citation Sovereign
- Hex
- 0C4157
- Octal
- 03040527
- Decimal
- 803,159
- Country
- DO
- Tail
- HI1065
- Type
- C680
- Flights observed
- 65
- Distinct callsigns
- 1
- Country
- DO
- Last broadcast
- 23h ago
Last known position
Country allocation
The ICAO 24-bit address 0C4157 falls within the block assigned to Dominican Republic (DO) by ICAO Annex 10, Volume III. Every aircraft registered in Dominican Republic 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 |
|---|---|---|---|
| HI1065 | - | 65 | 2026-06-01 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-01 | HI1065 | - | Jun 1, 20:10 UTC | Jun 1, 20:20 UTC | 10m |
| 2026-05-30 | HI1065 | - | May 30, 16:10 UTC | May 30, 16:25 UTC | 15m |
| 2026-05-30 | HI1065 | - | May 30, 12:45 UTC | May 30, 13:00 UTC | 15m |
| 2026-05-29 | HI1065 | - | May 29, 16:10 UTC | May 29, 16:50 UTC | 40m |
| 2026-05-28 | HI1065 | EWR → BED | May 28, 19:00 UTC | May 28, 19:45 UTC | 45m |
| 2026-05-28 | HI1065 | - | May 28, 04:05 UTC | May 28, 05:05 UTC | 1h 0m |
| 2026-05-27 | HI1065 | - | May 27, 23:35 UTC | May 28, 00:30 UTC | 55m |
| 2026-05-25 | HI1065 | - | May 25, 21:15 UTC | May 26, 01:44 UTC | 4h 30m |
| 2026-05-25 | HI1065 | - | May 25, 03:30 UTC | May 25, 17:25 UTC | 13h 55m |
| 2026-05-23 | HI1065 | - | May 23, 21:10 UTC | May 24, 02:50 UTC | 5h 40m |
| 2026-05-23 | HI1065 | - | May 23, 15:55 UTC | May 23, 16:45 UTC | 50m |
| 2026-05-22 | HI1065 | - | May 22, 01:05 UTC | May 22, 05:15 UTC | 4h 10m |
| 2026-05-21 | HI1065 | - | May 21, 13:10 UTC | May 21, 14:35 UTC | 1h 25m |
| 2026-05-20 | HI1065 | - | May 20, 12:50 UTC | May 20, 15:45 UTC | 2h 55m |
| 2026-05-17 | HI1065 | - | May 17, 15:01 UTC | May 17, 16:50 UTC | 1h 50m |
| 2026-05-15 | HI1065 | - | May 15, 21:20 UTC | May 15, 22:20 UTC | 1h 0m |
| 2026-05-15 | HI1065 | - | May 15, 17:35 UTC | May 15, 20:10 UTC | 2h 35m |
| 2026-05-15 | HI1065 | - | May 15, 15:35 UTC | May 15, 15:45 UTC | 10m |
| 2026-05-15 | HI1065 | - | May 15, 13:45 UTC | May 15, 14:35 UTC | 50m |
| 2026-05-13 | HI1065 | - | May 13, 14:15 UTC | May 13, 17:30 UTC | 3h 15m |
| 2026-05-12 | HI1065 | - | May 12, 21:25 UTC | May 13, 17:30 UTC | 20h 5m |
| 2026-05-11 | HI1065 | - | May 11, 18:00 UTC | May 11, 20:00 UTC | 2h 0m |
| 2026-05-10 | HI1065 | - | May 10, 21:40 UTC | May 10, 23:09 UTC | 1h 30m |
| 2026-05-09 | HI1065 | - | May 9, 22:00 UTC | May 10, 21:40 UTC | 23h 40m |
| 2026-05-08 | HI1065 | - | May 8, 22:30 UTC | May 8, 22:50 UTC | 20m |
| 2026-05-07 | HI1065 | - | May 7, 17:55 UTC | May 8, 07:09 UTC | 13h 15m |
| 2026-05-06 | HI1065 | - | May 6, 22:30 UTC | May 7, 02:55 UTC | 4h 25m |
| 2026-05-06 | HI1065 | - | May 6, 20:50 UTC | May 6, 21:25 UTC | 35m |
| 2026-05-06 | HI1065 | - | May 6, 12:30 UTC | May 6, 12:45 UTC | 15m |
| 2026-05-04 | HI1065 | - | May 4, 20:05 UTC | May 4, 21:20 UTC | 1h 15m |
| 2026-05-04 | HI1065 | - | May 4, 16:05 UTC | May 4, 19:05 UTC | 3h 1m |
| 2026-05-03 | HI1065 | - | May 3, 18:50 UTC | May 3, 19:30 UTC | 40m |
| 2026-05-03 | HI1065 | - | May 3, 13:25 UTC | May 3, 17:50 UTC | 4h 25m |
| 2026-05-03 | HI1065 | - | May 3, 10:55 UTC | May 3, 11:20 UTC | 25m |
| 2026-05-02 | HI1065 | - | May 2, 11:50 UTC | May 3, 11:20 UTC | 23h 29m |
| 2026-05-02 | HI1065 | - | May 2, 11:30 UTC | May 2, 12:25 UTC | 55m |
| 2026-05-01 | HI1065 | - | May 1, 19:20 UTC | May 1, 22:55 UTC | 3h 35m |
| 2026-04-30 | HI1065 | - | Apr 30, 01:30 UTC | Apr 30, 16:25 UTC | 14h 55m |
| 2026-04-28 | HI1065 | - | Apr 28, 20:55 UTC | Apr 29, 01:05 UTC | 4h 10m |
| 2026-04-28 | HI1065 | - | Apr 28, 15:15 UTC | Apr 28, 18:35 UTC | 3h 20m |
| 2026-04-27 | HI1065 | - | Apr 27, 19:55 UTC | Apr 27, 20:20 UTC | 25m |
| 2026-04-26 | HI1065 | - | Apr 26, 16:30 UTC | Apr 26, 17:20 UTC | 50m |
| 2026-04-24 | HI1065 | TEB → BOS | Apr 24, 13:35 UTC | Apr 24, 23:15 UTC | 9h 40m |
| 2026-04-23 | HI1065 | - | Apr 23, 12:55 UTC | Apr 24, 00:05 UTC | 11h 10m |
| 2026-04-22 | HI1065 | - | Apr 22, 16:55 UTC | Apr 23, 15:20 UTC | 22h 25m |
| 2026-04-22 | HI1065 | - | Apr 22, 15:10 UTC | Apr 23, 13:20 UTC | 22h 10m |
| 2026-04-21 | HI1065 | - | Apr 21, 22:35 UTC | Apr 22, 14:00 UTC | 15h 25m |
| 2026-04-20 | HI1065 | - | Apr 20, 18:25 UTC | Apr 20, 19:30 UTC | 1h 5m |
| 2026-04-20 | HI1065 | - | Apr 20, 15:40 UTC | Apr 20, 17:05 UTC | 1h 25m |
| 2026-04-20 | HI1065 | - | Apr 20, 04:55 UTC | Apr 20, 05:15 UTC | 20m |
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 HI1065 page for operator, model, and routing details .