Apparatus

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sensors Mode-S transponder

71BE20

ICAO 24-bit transponder address · allocated to Korea, South

Currently assigned to HL7620 · BOEING 747-400

Hex
71BE20
Octal
34337040
Decimal
7,454,240
Country
KR
Tail
HL7620
Type
B744
No current signal · last broadcast Jun 11, 01:50 UTC
Flights observed
171
Distinct callsigns
20
Country
KR
Last broadcast
Jun 11, 01:50 UTC

Last known position

Most recent position reported by Mode-S 71BE20.

Country allocation

The ICAO 24-bit address 71BE20 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
AIH242 Alpine Air Chile 25 2026-05-31
AIH248 Alpine Air Chile 23 2026-06-08
AIH247 Alpine Air Chile 16 2026-06-08
AIH284 Alpine Air Chile 14 2026-06-02
AIH241 Alpine Air Chile 9 2026-06-01
AIH795 Alpine Air Chile 7 2026-04-25
AIH283 Alpine Air Chile 7 2026-06-02
AIH969 - 6 2026-05-27
AIH796 Alpine Air Chile 6 2026-04-25
AIH776 - 6 2026-06-04
AIH775 - 6 2026-06-04
AIH967 - 5 2026-05-12
AIH952 - 5 2026-05-02
AIH968 - 4 2026-05-12
AIH970 - 3 2026-05-27
AIH587 Alpine Air Chile 3 2026-05-06
AIH954 - 2 2026-04-19
AIH951 - 2 2026-05-01
AIH3931 Alpine Air Chile 2 2026-04-21
AIH2941 Alpine Air Chile 2 2026-05-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-10 AIH9011 ICN → TPE Jun 10, 23:30 UTCJun 11, 01:50 UTC2h 20m
2026-06-09 AIH958 - Jun 9, 08:00 UTCJun 9, 14:00 UTC6h 0m
2026-06-08 AIH247 ATL → ANC Jun 8, 20:45 UTCJun 9, 05:30 UTC8h 45m
2026-06-08 AIH247 ATL → ANC Jun 8, 12:20 UTCJun 8, 18:40 UTC6h 20m
2026-06-08 AIH248 ANC → ORD Jun 8, 08:20 UTCJun 8, 09:50 UTC1h 30m
2026-06-08 AIH248 ANC → ORD Jun 8, 00:00 UTCJun 8, 05:35 UTC5h 35m
2026-06-07 AIH248 ANC → ORD Jun 7, 15:00 UTCJun 7, 22:35 UTC7h 35m
2026-06-06 AIH247 ATL → ANC Jun 6, 20:49 UTCJun 7, 05:10 UTC8h 20m
2026-06-06 AIH247 ATL → ANC Jun 6, 12:14 UTCJun 6, 18:59 UTC6h 45m
2026-06-06 AIH248 ANC → ORD Jun 6, 08:10 UTCJun 6, 09:34 UTC1h 25m
2026-06-05 AIH248 ANC → ORD Jun 5, 23:40 UTCJun 6, 05:25 UTC5h 45m
2026-06-05 AIH248 ANC → ORD Jun 5, 14:25 UTCJun 5, 21:50 UTC7h 25m
2026-06-04 AIH776 - Jun 4, 20:55 UTCJun 4, 21:25 UTC30m
2026-06-04 AIH776 - Jun 4, 10:35 UTCJun 4, 20:10 UTC9h 35m
2026-06-04 AIH775 VIE → FRA Jun 4, 06:30 UTCJun 4, 07:30 UTC1h 0m
2026-06-03 AIH775 - Jun 3, 14:25 UTCJun 4, 04:35 UTC14h 10m
2026-06-02 AIH283 SFO → ICN Jun 2, 11:40 UTCJun 2, 22:45 UTC11h 5m
2026-06-02 AIH284 ICN → LAX Jun 2, 07:40 UTCJun 2, 08:35 UTC55m
2026-06-01 AIH284 ICN → LAX Jun 1, 18:15 UTCJun 2, 05:00 UTC10h 45m
2026-06-01 AIH241 SEA → ICN Jun 1, 04:10 UTCJun 1, 14:40 UTC10h 30m
2026-05-31 AIH242 ANC → ORD May 31, 22:35 UTCJun 1, 02:10 UTC3h 35m
2026-05-31 AIH242 ANC → ORD May 31, 18:20 UTCMay 31, 20:15 UTC1h 55m
2026-05-31 AIH242 ANC → ORD May 31, 09:45 UTCMay 31, 15:35 UTC5h 50m
2026-05-31 AIH242 ANC → ORD May 31, 01:10 UTCMay 31, 01:11 UTC1m
2026-05-30 AIH283 SFO → ICN May 30, 10:00 UTCMay 30, 22:15 UTC12h 15m
2026-05-30 AIH284 ICN → LAX May 30, 06:20 UTCMay 30, 07:25 UTC1h 5m
2026-05-29 AIH284 ICN → LAX May 29, 16:35 UTCMay 30, 02:45 UTC10h 10m
2026-05-28 AIH247 ATL → ANC May 28, 21:00 UTCMay 29, 05:45 UTC8h 45m
2026-05-28 AIH247 ATL → ANC May 28, 12:50 UTCMay 28, 19:35 UTC6h 45m
2026-05-28 AIH248 ANC → ORD May 28, 09:05 UTCMay 28, 10:30 UTC1h 25m
2026-05-28 AIH248 ANC → ORD May 28, 00:15 UTCMay 28, 05:40 UTC5h 25m
2026-05-27 AIH248 ANC → ORD May 27, 15:15 UTCMay 27, 22:40 UTC7h 25m
2026-05-27 AIH970 HKG → ICN May 27, 09:10 UTCMay 27, 12:15 UTC3h 5m
2026-05-27 AIH969 - May 27, 06:04 UTCMay 27, 06:20 UTC15m
2026-05-27 AIH969 - May 27, 03:29 UTCMay 27, 05:29 UTC2h 0m
2026-05-26 AIH283 SFO → ICN May 26, 12:20 UTCMay 27, 00:30 UTC12h 10m
2026-05-26 AIH284 ICN → LAX May 26, 08:39 UTCMay 26, 09:35 UTC55m
2026-05-25 AIH284 ICN → LAX May 25, 19:20 UTCMay 26, 06:20 UTC11h 0m
2026-05-25 AIH241 SEA → ICN May 25, 04:15 UTCMay 25, 14:50 UTC10h 35m
2026-05-24 AIH242 ANC → ORD May 24, 23:00 UTCMay 24, 23:46 UTC46m
2026-05-24 AIH242 ANC → ORD May 24, 18:15 UTCMay 24, 20:05 UTC1h 50m
2026-05-24 AIH242 ANC → ORD May 24, 09:40 UTCMay 24, 15:00 UTC5h 20m
2026-05-24 AIH242 ANC → ORD May 24, 00:30 UTCMay 24, 08:05 UTC7h 35m
2026-05-23 AIH283 SFO → ICN May 23, 09:50 UTCMay 23, 21:30 UTC11h 41m
2026-05-23 AIH284 ICN → LAX May 23, 06:20 UTCMay 23, 07:20 UTC1h 0m
2026-05-22 AIH284 ICN → LAX May 22, 14:40 UTCMay 23, 01:35 UTC10h 55m
2026-05-21 AIH247 ATL → ANC May 21, 20:40 UTCMay 22, 04:50 UTC8h 10m
2026-05-21 AIH247 ATL → ANC May 21, 11:55 UTCMay 21, 18:55 UTC7h 0m
2026-05-21 AIH248 ANC → ORD May 21, 07:05 UTCMay 21, 08:35 UTC1h 30m
2026-05-20 AIH248 ANC → ORD May 20, 23:10 UTCMay 21, 04:25 UTC5h 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 HL7620 page for operator, model, and routing details .

Mode-S 71BE20 frequently asked

What is Mode-S code 71BE20?
71BE20 is an ICAO 24-bit transponder address. Allocated to Korea, South. Assigned to HL7620.
Where is Mode-S 71BE20 registered?
Mode-S code 71BE20 is allocated to Korea, South (KR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 71BE20 broadcasting right now?
No active broadcast right now. Last signal was Jun 11, 01:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71BE20, octal 34337040, decimal 7,454,240.
What flights does 71BE20 operate?
Mode-S 71BE20 has broadcast 20 distinct callsigns, including AIH242, AIH248, AIH247, AIH284, AIH241.