sensors Mode-S transponder
71BE35
ICAO 24-bit transponder address · allocated to Korea, South
Currently assigned to HL7635 · AIRBUS A-380-800
- Hex
- 71BE35
- Octal
- 34337065
- Decimal
- 7,454,261
- Country
- KR
- Tail
- HL7635
- Type
- A388
- Flights observed
- 116
- Distinct callsigns
- 13
- Country
- KR
- Last broadcast
- 13h ago
Last known position
Country allocation
The ICAO 24-bit address 71BE35 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 13 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| AAR223 | Asiana Airlines | 16 | 2026-05-29 |
| AAR224 | Asiana Airlines | 15 | 2026-05-28 |
| AAR203 | Asiana Airlines | 14 | 2026-05-23 |
| AAR712 | Asiana Airlines | 12 | 2026-05-24 |
| AAR711 | Asiana Airlines | 12 | 2026-05-24 |
| AAR204 | Asiana Airlines | 11 | 2026-05-22 |
| AAR101 | Asiana Airlines | 9 | 2026-05-26 |
| AAR741 | Asiana Airlines | 8 | 2026-05-18 |
| AAR742 | Asiana Airlines | 7 | 2026-05-18 |
| AAR102 | Asiana Airlines | 7 | 2026-05-25 |
| AAR2047 | Asiana Airlines | 2 | 2026-05-19 |
| AAR2037 | Asiana Airlines | 2 | 2026-05-19 |
| AAR7111 | Asiana Airlines | 1 | 2026-05-01 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | AAR223 | JFK → ICN | May 29, 06:15 UTC | May 29, 21:10 UTC | 14h 55m |
| 2026-05-28 | AAR224 | ICN → JFK | May 28, 12:35 UTC | May 29, 01:40 UTC | 13h 5m |
| 2026-05-27 | AAR223 | JFK → ICN | May 27, 06:04 UTC | May 27, 21:05 UTC | 15h 0m |
| 2026-05-26 | AAR224 | ICN → JFK | May 26, 12:35 UTC | May 27, 02:04 UTC | 13h 30m |
| 2026-05-26 | AAR101 | NRT → ICN | May 26, 04:15 UTC | May 26, 06:10 UTC | 1h 55m |
| 2026-05-25 | AAR102 | ICN → NRT | May 25, 23:49 UTC | May 26, 01:40 UTC | 1h 50m |
| 2026-05-25 | AAR223 | JFK → ICN | May 25, 06:35 UTC | May 25, 20:50 UTC | 14h 14m |
| 2026-05-25 | AAR224 | ICN → JFK | May 25, 01:55 UTC | May 25, 02:20 UTC | 25m |
| 2026-05-24 | AAR224 | ICN → JFK | May 24, 12:40 UTC | May 24, 23:46 UTC | 11h 6m |
| 2026-05-24 | AAR712 | TPE → ICN | May 24, 04:50 UTC | May 24, 06:50 UTC | 2h 0m |
| 2026-05-24 | AAR711 | ICN → TPE | May 24, 00:20 UTC | May 24, 02:25 UTC | 2h 5m |
| 2026-05-23 | AAR203 | LAX → ICN | May 23, 06:35 UTC | May 23, 18:55 UTC | 12h 20m |
| 2026-05-22 | AAR204 | ICN → LAX | May 22, 13:10 UTC | May 22, 23:35 UTC | 10h 25m |
| 2026-05-22 | AAR101 | NRT → ICN | May 22, 04:20 UTC | May 22, 06:30 UTC | 2h 10m |
| 2026-05-22 | AAR102 | ICN → NRT | May 22, 00:05 UTC | May 22, 02:00 UTC | 1h 55m |
| 2026-05-21 | AAR223 | JFK → ICN | May 21, 06:50 UTC | May 21, 21:30 UTC | 14h 40m |
| 2026-05-20 | AAR224 | ICN → JFK | May 20, 13:30 UTC | May 21, 02:40 UTC | 13h 10m |
| 2026-05-19 | AAR2037 | LAX → ICN | May 19, 15:55 UTC | May 20, 04:50 UTC | 12h 56m |
| 2026-05-19 | AAR2047 | ICN → LAX | May 19, 02:00 UTC | May 19, 12:40 UTC | 10h 40m |
| 2026-05-18 | AAR742 | BKK → ICN | May 18, 18:45 UTC | May 18, 23:40 UTC | 4h 55m |
| 2026-05-18 | AAR741 | ICN → BKK | May 18, 11:00 UTC | May 18, 15:55 UTC | 4h 55m |
| 2026-05-17 | AAR2037 | LAX → ICN | May 17, 15:01 UTC | May 18, 03:10 UTC | 12h 10m |
| 2026-05-17 | AAR2047 | ICN → LAX | May 17, 01:20 UTC | May 17, 11:50 UTC | 10h 30m |
| 2026-05-16 | AAR223 | JFK → ICN | May 16, 06:31 UTC | May 16, 20:55 UTC | 14h 24m |
| 2026-05-15 | AAR224 | ICN → JFK | May 15, 12:40 UTC | May 16, 02:25 UTC | 13h 44m |
| 2026-05-15 | AAR101 | NRT → ICN | May 15, 04:05 UTC | May 15, 05:50 UTC | 1h 45m |
| 2026-05-14 | AAR102 | ICN → NRT | May 14, 23:50 UTC | May 15, 02:00 UTC | 2h 10m |
| 2026-05-14 | AAR203 | LAX → ICN | May 14, 06:45 UTC | May 14, 18:35 UTC | 11h 50m |
| 2026-05-13 | AAR204 | ICN → LAX | May 13, 13:10 UTC | May 13, 23:35 UTC | 10h 25m |
| 2026-05-13 | AAR712 | TPE → ICN | May 13, 04:50 UTC | May 13, 06:50 UTC | 2h 0m |
| 2026-05-13 | AAR711 | ICN → TPE | May 13, 01:35 UTC | May 13, 02:10 UTC | 35m |
| 2026-05-13 | AAR711 | ICN → TPE | May 13, 00:05 UTC | May 13, 00:40 UTC | 35m |
| 2026-05-12 | AAR223 | JFK → ICN | May 12, 06:30 UTC | May 12, 21:01 UTC | 14h 30m |
| 2026-05-11 | AAR224 | ICN → JFK | May 11, 12:45 UTC | May 11, 22:35 UTC | 9h 50m |
| 2026-05-11 | AAR712 | TPE → ICN | May 11, 04:55 UTC | May 11, 06:50 UTC | 1h 55m |
| 2026-05-10 | AAR711 | ICN → TPE | May 10, 23:55 UTC | May 11, 02:05 UTC | 2h 10m |
| 2026-05-10 | AAR223 | JFK → ICN | May 10, 06:15 UTC | May 10, 20:45 UTC | 14h 30m |
| 2026-05-09 | AAR224 | ICN → JFK | May 9, 13:25 UTC | May 10, 02:34 UTC | 13h 10m |
| 2026-05-08 | AAR203 | LAX → ICN | May 8, 06:30 UTC | May 8, 18:45 UTC | 12h 15m |
| 2026-05-07 | AAR204 | ICN → LAX | May 7, 13:25 UTC | May 8, 00:14 UTC | 10h 49m |
| 2026-05-07 | AAR101 | NRT → ICN | May 7, 04:25 UTC | May 7, 06:35 UTC | 2h 10m |
| 2026-05-07 | AAR102 | ICN → NRT | May 7, 00:05 UTC | May 7, 01:55 UTC | 1h 50m |
| 2026-05-06 | AAR223 | JFK → ICN | May 6, 06:05 UTC | May 6, 20:55 UTC | 14h 50m |
| 2026-05-05 | AAR224 | ICN → JFK | May 5, 12:30 UTC | May 6, 01:55 UTC | 13h 25m |
| 2026-05-05 | AAR712 | TPE → ICN | May 5, 04:55 UTC | May 5, 06:40 UTC | 1h 45m |
| 2026-05-05 | AAR711 | ICN → TPE | May 5, 00:10 UTC | May 5, 02:20 UTC | 2h 10m |
| 2026-05-04 | AAR203 | LAX → ICN | May 4, 06:20 UTC | May 4, 19:00 UTC | 12h 41m |
| 2026-05-03 | AAR204 | ICN → LAX | May 3, 14:00 UTC | May 4, 00:25 UTC | 10h 25m |
| 2026-05-03 | AAR712 | TPE → ICN | May 3, 05:00 UTC | May 3, 06:50 UTC | 1h 50m |
| 2026-05-03 | AAR711 | ICN → TPE | May 3, 00:45 UTC | May 3, 03:00 UTC | 2h 15m |
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 HL7635 page for operator, model, and routing details .