sensors Mode-S transponder
71BE44
ICAO 24-bit transponder address · allocated to Korea, South
Currently assigned to HL7644 · BOEING 747-8
- Hex
- 71BE44
- Octal
- 34337104
- Decimal
- 7,454,276
- Country
- KR
- Tail
- HL7644
- Type
- B748
- Flights observed
- 86
- Distinct callsigns
- 14
- Country
- KR
- Last broadcast
- 2h ago
Last known position
Country allocation
The ICAO 24-bit address 71BE44 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 14 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| KAL018 | - | 28 | 2026-07-12 |
| KAL017 | - | 24 | 2026-07-12 |
| KAL8016 | - | 6 | 2026-06-15 |
| KAL8015 | - | 6 | 2026-06-15 |
| KAL011 | Korean Air | 6 | 2026-06-12 |
| KAL012 | Korean Air | 5 | 2026-06-13 |
| KAL703 | Korean Air | 3 | 2026-06-12 |
| KAL704 | Korean Air | 2 | 2026-06-12 |
| KAL2022 | - | 1 | 2026-07-14 |
| KAL2021 | - | 1 | 2026-07-14 |
| KAL2002 | Korean Air | 1 | 2026-05-19 |
| KAL2001 | Korean Air | 1 | 2026-05-18 |
| KAL198P | - | 1 | 2026-07-10 |
| KAL195F | Korean Air | 1 | 2026-06-22 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-14 | KAL2022 | - | Jul 14, 05:45 UTC | Jul 14, 06:10 UTC | 25m |
| 2026-07-14 | KAL2021 | - | Jul 14, 01:55 UTC | Jul 14, 03:55 UTC | 2h 0m |
| 2026-07-12 | KAL018 | - | Jul 12, 20:15 UTC | Jul 13, 07:55 UTC | 11h 40m |
| 2026-07-12 | KAL017 | ICN → LAX | Jul 12, 05:55 UTC | Jul 12, 16:50 UTC | 10h 55m |
| 2026-07-10 | KAL198P | PUS → ICN | Jul 10, 14:00 UTC | Jul 10, 14:45 UTC | 45m |
| 2026-06-22 | KAL195F | ICN → PUS | Jun 22, 12:30 UTC | Jun 22, 13:44 UTC | 1h 15m |
| 2026-06-20 | KAL018 | - | Jun 20, 19:44 UTC | Jun 21, 07:20 UTC | 11h 35m |
| 2026-06-20 | KAL017 | - | Jun 20, 05:54 UTC | Jun 20, 16:24 UTC | 10h 30m |
| 2026-06-17 | KAL018 | - | Jun 17, 19:45 UTC | Jun 18, 07:40 UTC | 11h 55m |
| 2026-06-17 | KAL017 | ICN → LAX | Jun 17, 05:50 UTC | Jun 17, 16:55 UTC | 11h 5m |
| 2026-06-15 | KAL8016 | - | Jun 15, 17:25 UTC | Jun 16, 05:50 UTC | 12h 25m |
| 2026-06-15 | KAL8015 | - | Jun 15, 03:50 UTC | Jun 15, 14:24 UTC | 10h 35m |
| 2026-06-13 | KAL012 | LAX → ICN | Jun 13, 07:10 UTC | Jun 13, 18:40 UTC | 11h 30m |
| 2026-06-12 | KAL011 | ICN → LAX | Jun 12, 11:10 UTC | Jun 12, 21:10 UTC | 10h 0m |
| 2026-06-12 | KAL704 | NRT → ICN | Jun 12, 05:20 UTC | Jun 12, 07:35 UTC | 2h 15m |
| 2026-06-12 | KAL703 | ICN → NRT | Jun 12, 01:30 UTC | Jun 12, 03:20 UTC | 1h 50m |
| 2026-06-11 | KAL012 | LAX → ICN | Jun 11, 07:10 UTC | Jun 11, 19:15 UTC | 12h 5m |
| 2026-06-10 | KAL011 | ICN → LAX | Jun 10, 11:05 UTC | Jun 10, 21:05 UTC | 10h 0m |
| 2026-06-08 | KAL8016 | - | Jun 8, 17:25 UTC | Jun 9, 06:20 UTC | 12h 55m |
| 2026-06-08 | KAL8015 | ICN → LAX | Jun 8, 03:50 UTC | Jun 8, 13:50 UTC | 10h 0m |
| 2026-06-05 | KAL018 | LAX → ICN | Jun 5, 19:55 UTC | Jun 6, 07:55 UTC | 12h 0m |
| 2026-06-05 | KAL017 | ICN → LAX | Jun 5, 05:45 UTC | Jun 5, 16:05 UTC | 10h 20m |
| 2026-06-03 | KAL8016 | - | Jun 3, 17:20 UTC | Jun 4, 05:40 UTC | 12h 20m |
| 2026-06-03 | KAL8015 | ICN → LAX | Jun 3, 03:45 UTC | Jun 3, 14:10 UTC | 10h 25m |
| 2026-06-01 | KAL018 | LAX → ICN | Jun 1, 19:55 UTC | Jun 2, 07:15 UTC | 11h 20m |
| 2026-06-01 | KAL017 | ICN → LAX | Jun 1, 06:00 UTC | Jun 1, 16:40 UTC | 10h 40m |
| 2026-05-31 | KAL018 | LAX → ICN | May 31, 08:25 UTC | May 31, 08:40 UTC | 15m |
| 2026-05-30 | KAL018 | LAX → ICN | May 30, 19:55 UTC | May 31, 01:11 UTC | 5h 16m |
| 2026-05-30 | KAL017 | ICN → LAX | May 30, 06:00 UTC | May 30, 16:00 UTC | 10h 0m |
| 2026-05-28 | KAL018 | LAX → ICN | May 28, 19:50 UTC | May 29, 08:40 UTC | 12h 50m |
| 2026-05-28 | KAL017 | ICN → LAX | May 28, 06:00 UTC | May 28, 16:30 UTC | 10h 30m |
| 2026-05-26 | KAL018 | LAX → ICN | May 26, 20:05 UTC | May 27, 08:40 UTC | 12h 36m |
| 2026-05-26 | KAL017 | ICN → LAX | May 26, 05:54 UTC | May 26, 16:30 UTC | 10h 35m |
| 2026-05-24 | KAL018 | LAX → ICN | May 24, 19:50 UTC | May 25, 08:05 UTC | 12h 15m |
| 2026-05-24 | KAL017 | ICN → LAX | May 24, 05:50 UTC | May 24, 16:25 UTC | 10h 35m |
| 2026-05-22 | KAL8016 | - | May 22, 17:35 UTC | May 23, 06:40 UTC | 13h 4m |
| 2026-05-22 | KAL8015 | ICN → LAX | May 22, 03:55 UTC | May 22, 14:05 UTC | 10h 10m |
| 2026-05-20 | KAL8016 | - | May 20, 17:25 UTC | May 21, 05:55 UTC | 12h 30m |
| 2026-05-20 | KAL8015 | ICN → LAX | May 20, 04:00 UTC | May 20, 14:15 UTC | 10h 16m |
| 2026-05-19 | KAL2002 | HKG → ICN | May 19, 04:40 UTC | May 19, 07:45 UTC | 3h 5m |
| 2026-05-18 | KAL2001 | ICN → HKG | May 18, 23:30 UTC | May 19, 02:30 UTC | 3h 0m |
| 2026-05-18 | KAL012 | LAX → ICN | May 18, 07:20 UTC | May 18, 19:55 UTC | 12h 34m |
| 2026-05-17 | KAL011 | ICN → LAX | May 17, 11:05 UTC | May 17, 21:20 UTC | 10h 15m |
| 2026-05-15 | KAL018 | LAX → ICN | May 15, 19:50 UTC | May 16, 08:16 UTC | 12h 26m |
| 2026-05-15 | KAL017 | ICN → LAX | May 15, 06:00 UTC | May 15, 16:45 UTC | 10h 44m |
| 2026-05-13 | KAL018 | LAX → ICN | May 13, 19:50 UTC | May 14, 08:05 UTC | 12h 15m |
| 2026-05-13 | KAL017 | ICN → LAX | May 13, 06:20 UTC | May 13, 17:05 UTC | 10h 45m |
| 2026-05-11 | KAL8016 | - | May 11, 17:25 UTC | May 12, 05:20 UTC | 11h 55m |
| 2026-05-11 | KAL8015 | ICN → LAX | May 11, 03:55 UTC | May 11, 14:25 UTC | 10h 30m |
| 2026-05-09 | KAL018 | LAX → ICN | May 9, 19:49 UTC | May 10, 08:00 UTC | 12h 10m |
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 HL7644 page for operator, model, and routing details .