sensors Mode-S transponder
0C40C8
ICAO 24-bit transponder address · allocated to Dominican Republic
Currently assigned to HI1034 · BOMBARDIER Regional Jet CRJ-200
- Hex
- 0C40C8
- Octal
- 03040310
- Decimal
- 803,016
- Country
- DO
- Tail
- HI1034
- Type
- CRJ2
- Flights observed
- 36
- Distinct callsigns
- 12
- Country
- DO
- Last broadcast
- 22h ago
Last known position
Country allocation
The ICAO 24-bit address 0C40C8 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 12 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| CEY162 | Air Century | 6 | 2026-05-11 |
| CEY172 | Air Century | 5 | 2026-05-13 |
| CEY171 | Air Century | 5 | 2026-05-13 |
| CEY161 | Air Century | 5 | 2026-05-11 |
| CEY111 | Air Century | 5 | 2026-05-29 |
| CEY181 | Air Century | 4 | 2026-05-26 |
| CEY843 | - | 1 | 2026-04-18 |
| CEY490 | Air Century | 1 | 2026-04-24 |
| CEY281 | - | 1 | 2026-05-02 |
| CEY184 | - | 1 | 2026-04-16 |
| CEY151 | Air Century | 1 | 2026-05-04 |
| CEY112 | Air Century | 1 | 2026-05-08 |
Recent flights last 36
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | CEY111 | JBQ → SCU | May 29, 11:35 UTC | May 29, 14:10 UTC | 2h 35m |
| 2026-05-26 | CEY181 | JBQ → HAV | May 26, 11:24 UTC | May 26, 19:50 UTC | 8h 25m |
| 2026-05-18 | CEY111 | JBQ → SCU | May 18, 11:20 UTC | May 18, 14:05 UTC | 2h 45m |
| 2026-05-15 | CEY111 | JBQ → SCU | May 15, 11:15 UTC | May 15, 14:30 UTC | 3h 15m |
| 2026-05-14 | CEY181 | JBQ → HAV | May 14, 11:20 UTC | May 14, 19:50 UTC | 8h 30m |
| 2026-05-13 | CEY172 | AUA → JBQ | May 13, 13:31 UTC | May 13, 13:50 UTC | 20m |
| 2026-05-13 | CEY171 | JBQ → AUA | May 13, 12:00 UTC | May 13, 12:20 UTC | 20m |
| 2026-05-11 | CEY162 | SXM → JBQ | May 11, 18:00 UTC | May 11, 18:20 UTC | 20m |
| 2026-05-11 | CEY161 | JBQ → SXM | May 11, 15:35 UTC | May 11, 15:55 UTC | 20m |
| 2026-05-11 | CEY111 | JBQ → SCU | May 11, 11:15 UTC | May 11, 14:00 UTC | 2h 45m |
| 2026-05-08 | CEY112 | SCU → JBQ | May 8, 13:40 UTC | May 8, 13:50 UTC | 10m |
| 2026-05-04 | CEY162 | SXM → JBQ | May 4, 18:05 UTC | May 4, 18:25 UTC | 20m |
| 2026-05-04 | CEY161 | JBQ → SXM | May 4, 13:25 UTC | May 4, 16:00 UTC | 2h 35m |
| 2026-05-04 | CEY151 | JBQ → CUR | May 4, 12:05 UTC | May 4, 12:15 UTC | 10m |
| 2026-05-03 | CEY172 | AUA → JBQ | May 3, 13:20 UTC | May 3, 13:35 UTC | 15m |
| 2026-05-03 | CEY171 | JBQ → AUA | May 3, 12:00 UTC | May 3, 12:20 UTC | 20m |
| 2026-05-02 | CEY281 | - | May 2, 16:00 UTC | May 2, 23:15 UTC | 7h 15m |
| 2026-05-01 | CEY162 | SXM → JBQ | May 1, 18:45 UTC | May 1, 19:15 UTC | 30m |
| 2026-05-01 | CEY161 | JBQ → SXM | May 1, 13:30 UTC | May 1, 16:15 UTC | 2h 45m |
| 2026-04-30 | CEY181 | JBQ → HAV | Apr 30, 11:35 UTC | Apr 30, 19:50 UTC | 8h 15m |
| 2026-04-29 | CEY172 | AUA → JBQ | Apr 29, 13:30 UTC | Apr 29, 13:45 UTC | 15m |
| 2026-04-29 | CEY171 | JBQ → AUA | Apr 29, 12:05 UTC | Apr 29, 12:30 UTC | 25m |
| 2026-04-24 | CEY111 | JBQ → SCU | Apr 24, 11:15 UTC | Apr 24, 13:40 UTC | 2h 25m |
| 2026-04-24 | CEY490 | PUJ → GEO | Apr 24, 02:30 UTC | Apr 24, 06:25 UTC | 3h 55m |
| 2026-04-22 | CEY172 | AUA → JBQ | Apr 22, 13:25 UTC | Apr 22, 13:45 UTC | 20m |
| 2026-04-22 | CEY171 | JBQ → AUA | Apr 22, 11:55 UTC | Apr 22, 12:15 UTC | 20m |
| 2026-04-18 | CEY843 | - | Apr 18, 12:45 UTC | Apr 18, 16:25 UTC | 3h 40m |
| 2026-04-17 | CEY162 | - | Apr 17, 19:20 UTC | Apr 18, 16:25 UTC | 21h 5m |
| 2026-04-17 | CEY161 | JBQ → SXM | Apr 17, 15:25 UTC | Apr 17, 15:45 UTC | 20m |
| 2026-04-16 | CEY184 | - | Apr 16, 19:55 UTC | Apr 16, 20:05 UTC | 10m |
| 2026-04-16 | CEY181 | - | Apr 16, 11:20 UTC | Apr 16, 11:35 UTC | 15m |
| 2026-04-15 | CEY172 | - | Apr 15, 13:50 UTC | Apr 15, 14:05 UTC | 15m |
| 2026-04-15 | CEY171 | - | Apr 15, 12:40 UTC | Apr 15, 12:55 UTC | 15m |
| 2026-04-13 | CEY162 | - | Apr 13, 17:45 UTC | Apr 13, 18:10 UTC | 25m |
| 2026-04-13 | CEY162 | - | Apr 13, 15:50 UTC | Apr 13, 18:10 UTC | 2h 20m |
| 2026-04-13 | CEY161 | JBQ → SXM | Apr 13, 15:40 UTC | Apr 13, 16:00 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 HI1034 page for operator, model, and routing details .