sensors Mode-S transponder
0AC9E1
ICAO 24-bit transponder address · allocated to Costa Rica
Currently assigned to HK-5361 · AIRBUS A-320neo
- Hex
- 0AC9E1
- Octal
- 02544741
- Decimal
- 707,041
- Country
- CR
- Tail
- HK-5361
- Type
- A20N
- Flights observed
- 135
- Distinct callsigns
- 20
- Country
- CR
- Last broadcast
- 28m ago
Current position
Country allocation
The ICAO 24-bit address 0AC9E1 falls within the block assigned to Costa Rica (CR) by ICAO Annex 10, Volume III. Every aircraft registered in Costa Rica 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
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | AVA021 | JFK → BOG | May 30, 12:00 UTC | May 30, 12:15 UTC | 15m |
| 2026-05-30 | AVA020 | BOG → JFK | May 30, 04:30 UTC | May 30, 09:45 UTC | 5h 15m |
| 2026-05-29 | AVA037 | FLL → BOG | May 29, 22:35 UTC | May 29, 22:50 UTC | 15m |
| 2026-05-29 | AVA037 | FLL → BOG | May 29, 19:40 UTC | May 29, 20:15 UTC | 35m |
| 2026-05-29 | AVA036 | BOG → FLL | May 29, 14:25 UTC | May 29, 17:40 UTC | 3h 15m |
| 2026-05-29 | AVA248 | GRU → BOG | May 29, 06:50 UTC | May 29, 11:25 UTC | 4h 35m |
| 2026-05-29 | AVA249 | BOG → GRU | May 29, 00:10 UTC | May 29, 05:15 UTC | 5h 5m |
| 2026-05-28 | AVA9228 | CLO → BOG | May 28, 21:45 UTC | May 28, 22:15 UTC | 30m |
| 2026-05-28 | AVA9228 | CLO → BOG | May 28, 19:40 UTC | May 28, 20:15 UTC | 35m |
| 2026-05-28 | AVA8584 | PSO → BOG | May 28, 13:20 UTC | May 28, 16:10 UTC | 2h 50m |
| 2026-05-28 | AVA8421 | BOG → CLO | May 28, 03:30 UTC | May 28, 03:40 UTC | 10m |
| 2026-05-28 | AVA073 | MEX → BOG | May 28, 00:10 UTC | May 28, 00:25 UTC | 15m |
| 2026-05-27 | AVA073 | MEX → BOG | May 27, 20:20 UTC | May 27, 22:40 UTC | 2h 20m |
| 2026-05-27 | AVA072 | BOG → MEX | May 27, 13:55 UTC | May 27, 18:00 UTC | 4h 5m |
| 2026-05-27 | AVA160 | GRU → BOG | May 27, 05:29 UTC | May 27, 11:20 UTC | 5h 50m |
| 2026-05-26 | AVA161 | BOG → GRU | May 26, 17:50 UTC | May 27, 03:50 UTC | 10h 0m |
| 2026-05-26 | AVA268 | MDE → CUN | May 26, 14:45 UTC | May 26, 16:24 UTC | 1h 40m |
| 2026-05-26 | AVA112 | EZE → MDE | May 26, 05:54 UTC | May 26, 11:44 UTC | 5h 50m |
| 2026-05-25 | AVA111 | MDE → EZE | May 25, 18:10 UTC | May 26, 04:15 UTC | 10h 4m |
| 2026-05-25 | AVA256 | BOG → CUN | May 25, 13:40 UTC | May 25, 16:50 UTC | 3h 10m |
| 2026-05-24 | AVA052 | LIM → BOG | May 24, 23:00 UTC | May 24, 23:10 UTC | 10m |
| 2026-05-24 | AVA260 | GIG → BOG | May 24, 10:45 UTC | May 24, 21:10 UTC | 10h 25m |
| 2026-05-24 | AVA261 | BOG → GIG | May 24, 03:20 UTC | May 24, 08:50 UTC | 5h 30m |
| 2026-05-23 | AVA052 | LIM → BOG | May 23, 23:05 UTC | May 24, 01:35 UTC | 2h 30m |
| 2026-05-23 | AVA053 | BOG → LIM | May 23, 19:20 UTC | May 23, 21:20 UTC | 2h 0m |
| 2026-05-23 | AVA165 | GUA → BOG | May 23, 15:05 UTC | May 23, 15:25 UTC | 20m |
| 2026-05-23 | AVA165 | GUA → BOG | May 23, 12:30 UTC | May 23, 13:30 UTC | 1h 0m |
| 2026-05-15 | AVA034 | CTG → MIA | May 15, 16:00 UTC | May 15, 18:40 UTC | 2h 40m |
| 2026-05-15 | AVA198 | GIG → BOG | May 15, 04:55 UTC | May 15, 11:15 UTC | 6h 20m |
| 2026-05-14 | AVA197 | BOG → GIG | May 14, 21:50 UTC | May 15, 03:10 UTC | 5h 20m |
| 2026-05-14 | AVA227 | BOS → BOG | May 14, 18:30 UTC | May 14, 18:45 UTC | 15m |
| 2026-05-14 | AVA227 | BOS → BOG | May 14, 12:55 UTC | May 14, 16:00 UTC | 3h 5m |
| 2026-05-14 | AVA222 | BOG → BOS | May 14, 07:50 UTC | May 14, 10:35 UTC | 2h 45m |
| 2026-05-13 | AVA029 | JFK → BOG | May 13, 19:30 UTC | May 13, 20:20 UTC | 50m |
| 2026-05-13 | AVA028 | BOG → MCO | May 13, 16:25 UTC | May 13, 17:20 UTC | 55m |
| 2026-05-11 | AVA029 | JFK → BOG | May 11, 19:40 UTC | May 11, 20:25 UTC | 45m |
| 2026-05-11 | AVA028 | BOG → MCO | May 11, 16:35 UTC | May 11, 17:35 UTC | 1h 1m |
| 2026-05-11 | AVA160 | GRU → BOG | May 11, 05:50 UTC | May 11, 10:35 UTC | 4h 45m |
| 2026-05-10 | AVA161 | BOG → GRU | May 10, 10:05 UTC | May 11, 03:20 UTC | 17h 15m |
| 2026-05-10 | AVA161 | BOG → GRU | May 10, 06:20 UTC | May 11, 03:20 UTC | 21h 0m |
| 2026-05-10 | AVA161 | BOG → GRU | May 10, 06:10 UTC | May 11, 03:20 UTC | 21h 10m |
| 2026-05-09 | AVA111 | MDE → EZE | May 9, 14:55 UTC | May 10, 04:29 UTC | 13h 35m |
| 2026-05-08 | AVA116 | SCL → BOG | May 8, 23:15 UTC | May 9, 19:14 UTC | 20h 0m |
| 2026-05-08 | AVA116 | SCL → BOG | May 8, 20:00 UTC | May 8, 20:10 UTC | 10m |
| 2026-05-08 | AVA201 | YUL → BOG | May 8, 03:14 UTC | May 8, 14:55 UTC | 11h 40m |
| 2026-05-07 | AVA200 | BOG → YUL | May 7, 22:00 UTC | May 8, 01:14 UTC | 3h 14m |
| 2026-05-07 | AVA260 | GIG → BOG | May 7, 10:45 UTC | May 7, 13:30 UTC | 2h 45m |
| 2026-05-06 | AVA261 | BOG → GIG | May 6, 20:30 UTC | May 7, 09:15 UTC | 12h 45m |
| 2026-05-06 | AVA188 | BOG → DFW | May 6, 17:05 UTC | May 6, 18:20 UTC | 1h 14m |
| 2026-05-05 | AVA188 | BOG → DFW | May 5, 22:45 UTC | May 6, 18:20 UTC | 19h 34m |
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 HK-5361 page for operator, model, and routing details .