sensors Mode-S transponder
71C006
ICAO 24-bit transponder address · allocated to Korea, South
Currently assigned to HL8006 · BOEING 777-300ER
- Hex
- 71C006
- Octal
- 34340006
- Decimal
- 7,454,726
- Country
- KR
- Tail
- HL8006
- Type
- B77W
- Flights observed
- 95
- Distinct callsigns
- 20
- Country
- KR
- Last broadcast
- 36m ago
Last known position
Country allocation
The ICAO 24-bit address 71C006 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 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| KAL085 | Korean Air | 12 | 2026-05-27 |
| KAL036 | Korean Air | 12 | 2026-05-29 |
| KAL094 | Korean Air | 11 | 2026-05-23 |
| KAL086 | Korean Air | 11 | 2026-05-28 |
| KAL034 | Korean Air | 9 | 2026-05-19 |
| KAL035 | Korean Air | 8 | 2026-05-29 |
| KAL033 | Korean Air | 6 | 2026-05-19 |
| KAL093 | Korean Air | 5 | 2026-05-23 |
| KAL908 | Korean Air | 4 | 2026-05-27 |
| KAL907 | Korean Air | 3 | 2026-05-26 |
| KAL938 | Korean Air | 2 | 2026-04-25 |
| KAL937 | Korean Air | 2 | 2026-04-24 |
| KAL646 | Korean Air | 2 | 2026-05-14 |
| KAL902 | Korean Air | 1 | 2026-05-02 |
| KAL901 | Korean Air | 1 | 2026-05-02 |
| KAL645 | Korean Air | 1 | 2026-05-14 |
| KAL601 | Korean Air | 1 | 2026-04-23 |
| KAL197F | Korean Air | 1 | 2026-04-25 |
| KAL196P | Korean Air | 1 | 2026-05-01 |
| KAL006 | - | 1 | 2026-04-19 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | KAL036 | ATL → ICN | May 29, 18:20 UTC | May 30, 01:30 UTC | 7h 10m |
| 2026-05-29 | KAL035 | ICN → ATL | May 29, 02:05 UTC | May 29, 15:50 UTC | 13h 45m |
| 2026-05-28 | KAL086 | JFK → ICN | May 28, 05:15 UTC | May 28, 20:10 UTC | 14h 55m |
| 2026-05-27 | KAL085 | ICN → JFK | May 27, 11:20 UTC | May 28, 00:45 UTC | 13h 25m |
| 2026-05-27 | KAL908 | LHR → ICN | May 27, 06:44 UTC | May 27, 07:15 UTC | 31m |
| 2026-05-26 | KAL908 | LHR → ICN | May 26, 19:25 UTC | May 27, 05:59 UTC | 10h 35m |
| 2026-05-26 | KAL907 | ICN → LHR | May 26, 03:30 UTC | May 26, 15:45 UTC | 12h 15m |
| 2026-05-26 | KAL907 | ICN → LHR | May 26, 02:19 UTC | May 26, 02:35 UTC | 15m |
| 2026-05-25 | KAL086 | JFK → ICN | May 25, 05:20 UTC | May 25, 19:00 UTC | 13h 40m |
| 2026-05-24 | KAL085 | ICN → JFK | May 24, 11:15 UTC | May 24, 23:46 UTC | 12h 31m |
| 2026-05-23 | KAL094 | IAD → ICN | May 23, 17:40 UTC | May 24, 07:50 UTC | 14h 10m |
| 2026-05-23 | KAL093 | ICN → IAD | May 23, 01:50 UTC | May 23, 14:50 UTC | 13h 0m |
| 2026-05-22 | KAL908 | LHR → ICN | May 22, 06:45 UTC | May 22, 07:15 UTC | 30m |
| 2026-05-21 | KAL908 | LHR → ICN | May 21, 19:00 UTC | May 21, 23:40 UTC | 4h 40m |
| 2026-05-21 | KAL907 | ICN → LHR | May 21, 02:25 UTC | May 21, 16:10 UTC | 13h 45m |
| 2026-05-19 | KAL034 | ATL → ICN | May 19, 15:55 UTC | May 20, 06:50 UTC | 14h 56m |
| 2026-05-19 | KAL033 | ICN → ATL | May 19, 00:10 UTC | May 19, 13:10 UTC | 13h 0m |
| 2026-05-17 | KAL094 | IAD → ICN | May 17, 17:40 UTC | May 18, 08:20 UTC | 14h 40m |
| 2026-05-17 | KAL093 | ICN → IAD | May 17, 01:55 UTC | May 17, 15:10 UTC | 13h 15m |
| 2026-05-15 | KAL036 | ATL → ICN | May 15, 18:25 UTC | May 16, 08:41 UTC | 14h 16m |
| 2026-05-15 | KAL035 | ICN → ATL | May 15, 02:10 UTC | May 15, 15:35 UTC | 13h 24m |
| 2026-05-14 | KAL646 | SIN → ICN | May 14, 20:40 UTC | May 14, 23:40 UTC | 3h 0m |
| 2026-05-14 | KAL646 | SIN → ICN | May 14, 17:45 UTC | May 14, 17:55 UTC | 10m |
| 2026-05-14 | KAL645 | PUS → CBO | May 14, 10:00 UTC | May 14, 15:30 UTC | 5h 30m |
| 2026-05-13 | KAL034 | ATL → ICN | May 13, 16:05 UTC | May 14, 06:40 UTC | 14h 35m |
| 2026-05-13 | KAL033 | ICN → ATL | May 13, 00:10 UTC | May 13, 13:20 UTC | 13h 10m |
| 2026-05-11 | KAL094 | IAD → ICN | May 11, 17:35 UTC | May 12, 08:35 UTC | 15h 0m |
| 2026-05-11 | KAL093 | ICN → IAD | May 11, 01:45 UTC | May 11, 14:30 UTC | 12h 45m |
| 2026-05-10 | KAL086 | JFK → ICN | May 10, 05:14 UTC | May 10, 19:40 UTC | 14h 25m |
| 2026-05-09 | KAL085 | ICN → JFK | May 9, 11:50 UTC | May 10, 00:45 UTC | 12h 55m |
| 2026-05-08 | KAL086 | JFK → ICN | May 8, 05:14 UTC | May 8, 20:15 UTC | 15h 0m |
| 2026-05-07 | KAL085 | ICN → JFK | May 7, 11:25 UTC | May 8, 00:40 UTC | 13h 14m |
| 2026-05-06 | KAL094 | IAD → ICN | May 6, 17:40 UTC | May 7, 08:25 UTC | 14h 45m |
| 2026-05-06 | KAL093 | ICN → IAD | May 6, 01:45 UTC | May 6, 14:50 UTC | 13h 5m |
| 2026-05-05 | KAL086 | JFK → ICN | May 5, 05:10 UTC | May 5, 19:55 UTC | 14h 45m |
| 2026-05-04 | KAL085 | ICN → JFK | May 4, 11:35 UTC | May 5, 00:30 UTC | 12h 56m |
| 2026-05-02 | KAL902 | CDG → ICN | May 2, 18:45 UTC | May 3, 05:35 UTC | 10h 49m |
| 2026-05-02 | KAL901 | ICN → CDG | May 2, 02:40 UTC | May 2, 12:15 UTC | 9h 35m |
| 2026-05-01 | KAL196P | PUS → ICN | May 1, 07:50 UTC | May 1, 08:35 UTC | 45m |
| 2026-04-25 | KAL197F | ICN → PUS | Apr 25, 05:10 UTC | Apr 25, 05:40 UTC | 30m |
| 2026-04-25 | KAL938 | VIE → ICN | Apr 25, 02:45 UTC | Apr 25, 02:55 UTC | 10m |
| 2026-04-24 | KAL938 | VIE → ICN | Apr 24, 16:50 UTC | Apr 25, 01:50 UTC | 9h 0m |
| 2026-04-24 | KAL937 | ICN → VIE | Apr 24, 10:45 UTC | Apr 24, 14:25 UTC | 3h 40m |
| 2026-04-24 | KAL937 | ICN → VIE | Apr 24, 02:00 UTC | Apr 24, 02:15 UTC | 15m |
| 2026-04-23 | KAL601 | ICN → CEB | Apr 23, 11:35 UTC | Apr 23, 20:45 UTC | 9h 10m |
| 2026-04-23 | KAL036 | ATL → ICN | Apr 23, 08:20 UTC | Apr 23, 09:01 UTC | 40m |
| 2026-04-22 | KAL036 | ATL → ICN | Apr 22, 17:50 UTC | Apr 23, 08:01 UTC | 14h 11m |
| 2026-04-22 | KAL035 | ICN → ATL | Apr 22, 02:10 UTC | Apr 22, 15:10 UTC | 13h 0m |
| 2026-04-20 | KAL094 | IAD → ICN | Apr 20, 17:35 UTC | Apr 21, 09:10 UTC | 15h 35m |
| 2026-04-20 | KAL093 | ICN → IAD | Apr 20, 01:55 UTC | Apr 20, 15:05 UTC | 13h 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 HL8006 page for operator, model, and routing details .