sensors Mode-S transponder
71C389
ICAO 24-bit transponder address · allocated to Korea, South
Currently assigned to HL8389 · BOEING 787-9 Dreamliner
- Hex
- 71C389
- Octal
- 34341611
- Decimal
- 7,455,625
- Country
- KR
- Tail
- HL8389
- Type
- B789
- Flights observed
- 72
- Distinct callsigns
- 18
- Country
- KR
- Last broadcast
- 5h ago
Current position
Country allocation
The ICAO 24-bit address 71C389 falls within the block assigned to Korea, South (KR) by ICAO Annex 10, Volume III. Every aircraft registered in Korea, South 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 18 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| APZ102 | Air Premiea | 15 | 2026-05-26 |
| APZ101 | Air Premiea | 15 | 2026-05-26 |
| APZ131 | Air Premiea | 7 | 2026-05-29 |
| APZ132 | Air Premiea | 6 | 2026-05-25 |
| APZ622 | Air Premiea | 4 | 2026-05-14 |
| APZ621 | Air Premiea | 4 | 2026-05-14 |
| APZ112 | Air Premiea | 3 | 2026-05-27 |
| APZ111 | Air Premiea | 3 | 2026-05-27 |
| APZ801 | Air Premiea | 2 | 2026-05-04 |
| APZ152 | Air Premiea | 2 | 2026-05-14 |
| APZ151 | Air Premiea | 2 | 2026-05-13 |
| APZ136 | Air Premiea | 2 | 2026-05-01 |
| APZ135 | Air Premiea | 2 | 2026-05-01 |
| APZ802 | Air Premiea | 1 | 2026-05-04 |
| APZ512F | - | 1 | 2026-05-23 |
| APZ511F | - | 1 | 2026-05-16 |
| APZ104 | Air Premiea | 1 | 2026-04-23 |
| APZ103 | Air Premiea | 1 | 2026-04-22 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | APZ131 | ICN → EWR | May 29, 12:50 UTC | May 29, 19:45 UTC | 6h 55m |
| 2026-05-27 | APZ112 | SFO → ICN | May 27, 22:50 UTC | May 28, 10:45 UTC | 11h 55m |
| 2026-05-27 | APZ111 | ICN → SFO | May 27, 09:00 UTC | May 27, 19:15 UTC | 10h 15m |
| 2026-05-26 | APZ102 | LAX → ICN | May 26, 18:05 UTC | May 27, 07:00 UTC | 12h 56m |
| 2026-05-26 | APZ101 | ICN → LAX | May 26, 04:20 UTC | May 26, 14:50 UTC | 10h 30m |
| 2026-05-25 | APZ132 | EWR → ICN | May 25, 06:00 UTC | May 25, 19:40 UTC | 13h 39m |
| 2026-05-25 | APZ131 | ICN → EWR | May 25, 01:55 UTC | May 25, 02:00 UTC | 5m |
| 2026-05-24 | APZ131 | ICN → EWR | May 24, 12:40 UTC | May 24, 23:46 UTC | 11h 6m |
| 2026-05-23 | APZ512F | - | May 23, 22:10 UTC | May 23, 22:50 UTC | 40m |
| 2026-05-16 | APZ511F | - | May 16, 18:05 UTC | May 16, 18:30 UTC | 25m |
| 2026-05-15 | APZ102 | LAX → ICN | May 15, 18:10 UTC | May 16, 06:35 UTC | 12h 26m |
| 2026-05-15 | APZ101 | ICN → LAX | May 15, 04:10 UTC | May 15, 14:40 UTC | 10h 30m |
| 2026-05-14 | APZ622 | DAD → ICN | May 14, 21:20 UTC | May 14, 21:55 UTC | 35m |
| 2026-05-14 | APZ621 | ICN → DAD | May 14, 11:50 UTC | May 14, 20:10 UTC | 8h 20m |
| 2026-05-14 | APZ152 | HNL → ICN | May 14, 07:40 UTC | May 14, 09:45 UTC | 2h 5m |
| 2026-05-14 | APZ152 | HNL → ICN | May 14, 00:40 UTC | May 14, 01:00 UTC | 20m |
| 2026-05-13 | APZ151 | ICN → HNL | May 13, 21:15 UTC | May 13, 21:40 UTC | 25m |
| 2026-05-13 | APZ151 | ICN → HNL | May 13, 13:35 UTC | May 13, 15:30 UTC | 1h 55m |
| 2026-05-12 | APZ102 | LAX → ICN | May 12, 18:10 UTC | May 13, 06:10 UTC | 12h 0m |
| 2026-05-12 | APZ101 | ICN → LAX | May 12, 04:10 UTC | May 12, 14:40 UTC | 10h 30m |
| 2026-05-11 | APZ132 | EWR → ICN | May 11, 05:15 UTC | May 11, 19:20 UTC | 14h 5m |
| 2026-05-10 | APZ131 | ICN → EWR | May 10, 12:59 UTC | May 11, 02:05 UTC | 13h 5m |
| 2026-05-09 | APZ621 | ICN → DAD | May 9, 09:15 UTC | May 9, 19:49 UTC | 10h 35m |
| 2026-05-08 | APZ102 | LAX → ICN | May 8, 18:00 UTC | May 9, 06:45 UTC | 12h 45m |
| 2026-05-08 | APZ101 | ICN → LAX | May 8, 04:25 UTC | May 8, 14:55 UTC | 10h 30m |
| 2026-05-06 | APZ112 | SFO → ICN | May 6, 22:55 UTC | May 7, 10:45 UTC | 11h 50m |
| 2026-05-06 | APZ111 | ICN → SFO | May 6, 09:25 UTC | May 6, 19:40 UTC | 10h 14m |
| 2026-05-05 | APZ102 | LAX → ICN | May 5, 18:10 UTC | May 6, 06:25 UTC | 12h 14m |
| 2026-05-05 | APZ101 | ICN → LAX | May 5, 04:20 UTC | May 5, 15:05 UTC | 10h 45m |
| 2026-05-04 | APZ802 | HKG → ICN | May 4, 05:45 UTC | May 4, 08:35 UTC | 2h 50m |
| 2026-05-04 | APZ801 | ICN → HKG | May 4, 03:30 UTC | May 4, 03:54 UTC | 25m |
| 2026-05-04 | APZ801 | ICN → HKG | May 4, 00:30 UTC | May 4, 02:54 UTC | 2h 25m |
| 2026-05-03 | APZ132 | EWR → ICN | May 3, 05:50 UTC | May 3, 20:30 UTC | 14h 40m |
| 2026-05-02 | APZ131 | ICN → EWR | May 2, 12:45 UTC | May 3, 01:40 UTC | 12h 55m |
| 2026-05-01 | APZ136 | IAD → ICN | May 1, 17:30 UTC | May 2, 08:40 UTC | 15h 10m |
| 2026-05-01 | APZ135 | ICN → IAD | May 1, 01:15 UTC | May 1, 14:30 UTC | 13h 15m |
| 2026-04-29 | APZ112 | SFO → ICN | Apr 29, 22:50 UTC | Apr 30, 10:55 UTC | 12h 4m |
| 2026-04-29 | APZ111 | ICN → SFO | Apr 29, 09:25 UTC | Apr 29, 19:15 UTC | 9h 50m |
| 2026-04-28 | APZ102 | LAX → ICN | Apr 28, 18:00 UTC | Apr 29, 06:49 UTC | 12h 50m |
| 2026-04-28 | APZ101 | ICN → LAX | Apr 28, 04:15 UTC | Apr 28, 14:35 UTC | 10h 20m |
| 2026-04-27 | APZ132 | EWR → ICN | Apr 27, 05:15 UTC | Apr 27, 20:00 UTC | 14h 45m |
| 2026-04-26 | APZ131 | ICN → EWR | Apr 26, 12:45 UTC | Apr 27, 02:10 UTC | 13h 25m |
| 2026-04-24 | APZ136 | IAD → ICN | Apr 24, 17:50 UTC | Apr 25, 08:05 UTC | 14h 15m |
| 2026-04-24 | APZ135 | ICN → IAD | Apr 24, 01:20 UTC | Apr 24, 14:30 UTC | 13h 10m |
| 2026-04-23 | APZ104 | LAX → ICN | Apr 23, 06:45 UTC | Apr 23, 19:15 UTC | 12h 29m |
| 2026-04-22 | APZ103 | ICN → LAX | Apr 22, 13:35 UTC | Apr 22, 23:50 UTC | 10h 15m |
| 2026-04-20 | APZ102 | LAX → ICN | Apr 20, 18:05 UTC | Apr 21, 06:35 UTC | 12h 30m |
| 2026-04-20 | APZ101 | ICN → LAX | Apr 20, 04:10 UTC | Apr 20, 14:55 UTC | 10h 45m |
| 2026-04-19 | APZ132 | EWR → ICN | Apr 19, 05:25 UTC | Apr 19, 19:40 UTC | 14h 15m |
| 2026-04-18 | APZ131 | ICN → EWR | Apr 18, 12:55 UTC | Apr 19, 01:50 UTC | 12h 55m |
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 HL8389 page for operator, model, and routing details .