Apparatus

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sensors Mode-S transponder

718A69

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

Currently assigned to HL1269 · CESSNA 172 Skyhawk

Hex
718A69
Octal
34305151
Decimal
7,441,001
Country
KR
Tail
HL1269
Type
C172
No current signal · last broadcast 1d ago
Flights observed
56
Distinct callsigns
1
Country
KR
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 718A69.

Country allocation

The ICAO 24-bit address 718A69 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 1 distinct

Callsign Airline Flights Last seen
HL1269 - 56 2026-06-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-01 HL1269 - Jun 1, 06:25 UTCJun 1, 07:50 UTC1h 25m
2026-06-01 HL1269 - Jun 1, 04:15 UTCJun 1, 05:30 UTC1h 15m
2026-05-30 HL1269 - May 30, 05:55 UTCMay 30, 07:10 UTC1h 15m
2026-05-30 HL1269 - May 30, 03:30 UTCMay 30, 04:50 UTC1h 20m
2026-05-29 HL1269 - May 29, 07:40 UTCMay 29, 08:05 UTC25m
2026-05-29 HL1269 - May 29, 04:50 UTCMay 29, 05:15 UTC25m
2026-05-22 HL1269 - May 22, 07:20 UTCMay 22, 08:20 UTC1h 0m
2026-05-22 HL1269 - May 22, 04:20 UTCMay 22, 05:45 UTC1h 25m
2026-05-19 HL1269 - May 19, 07:00 UTCMay 19, 07:35 UTC35m
2026-05-19 HL1269 - May 19, 04:20 UTCMay 19, 04:50 UTC30m
2026-05-19 HL1269 - May 19, 03:00 UTCMay 19, 03:35 UTC35m
2026-05-19 HL1269 - May 19, 00:30 UTCMay 19, 01:00 UTC30m
2026-05-18 HL1269 - May 18, 08:01 UTCMay 18, 08:20 UTC20m
2026-05-18 HL1269 - May 18, 05:05 UTCMay 18, 05:35 UTC30m
2026-05-18 HL1269 - May 18, 02:40 UTCMay 18, 03:55 UTC1h 15m
2026-05-18 HL1269 - May 18, 00:25 UTCMay 18, 01:50 UTC1h 25m
2026-05-17 HL1269 - May 17, 09:35 UTCMay 17, 10:25 UTC50m
2026-05-17 HL1269 - May 17, 08:20 UTCMay 17, 08:40 UTC20m
2026-05-17 HL1269 - May 17, 04:50 UTCMay 17, 05:25 UTC35m
2026-05-17 HL1269 - May 17, 03:20 UTCMay 17, 03:40 UTC20m
2026-05-17 HL1269 - May 17, 00:30 UTCMay 17, 01:05 UTC35m
2026-05-16 HL1269 - May 16, 08:46 UTCMay 16, 09:35 UTC50m
2026-05-16 HL1269 - May 16, 06:31 UTCMay 16, 07:25 UTC55m
2026-05-16 HL1269 - May 16, 04:25 UTCMay 16, 05:51 UTC1h 26m
2026-05-15 HL1269 - May 15, 05:25 UTCMay 15, 05:55 UTC30m
2026-05-15 HL1269 - May 15, 03:20 UTCMay 15, 03:35 UTC15m
2026-05-15 HL1269 - May 15, 00:30 UTCMay 15, 01:05 UTC35m
2026-05-14 HL1269 - May 14, 07:55 UTCMay 14, 08:05 UTC10m
2026-05-14 HL1269 - May 14, 06:55 UTCMay 14, 07:15 UTC20m
2026-05-14 HL1269 - May 14, 05:00 UTCMay 14, 06:20 UTC1h 20m
2026-04-29 HL1269 - Apr 29, 06:49 UTCApr 29, 07:55 UTC1h 5m
2026-04-29 HL1269 - Apr 29, 05:00 UTCApr 29, 06:10 UTC1h 10m
2026-04-28 HL1269 - Apr 28, 03:05 UTCApr 28, 04:55 UTC1h 50m
2026-04-28 HL1269 - Apr 28, 00:40 UTCApr 28, 01:45 UTC1h 5m
2026-04-25 HL1269 - Apr 25, 07:50 UTCApr 25, 08:55 UTC1h 5m
2026-04-25 HL1269 - Apr 25, 05:50 UTCApr 25, 07:10 UTC1h 20m
2026-04-24 HL1269 - Apr 24, 05:20 UTCApr 24, 06:35 UTC1h 15m
2026-04-24 HL1269 - Apr 24, 03:20 UTCApr 24, 04:35 UTC1h 15m
2026-04-23 HL1269 - Apr 23, 07:30 UTCApr 23, 08:40 UTC1h 10m
2026-04-23 HL1269 - Apr 23, 05:25 UTCApr 23, 06:45 UTC1h 20m
2026-04-23 HL1269 - Apr 23, 00:40 UTCApr 23, 01:05 UTC25m
2026-04-22 HL1269 - Apr 22, 23:40 UTCApr 23, 00:05 UTC25m
2026-04-21 HL1269 - Apr 21, 06:20 UTCApr 21, 07:40 UTC1h 20m
2026-04-21 HL1269 - Apr 21, 01:25 UTCApr 21, 01:40 UTC15m
2026-04-21 HL1269 - Apr 21, 00:00 UTCApr 21, 00:20 UTC20m
2026-04-19 HL1269 - Apr 19, 04:20 UTCApr 19, 04:55 UTC35m
2026-04-19 HL1269 - Apr 19, 03:35 UTCApr 19, 03:45 UTC10m
2026-04-19 HL1269 - Apr 19, 01:00 UTCApr 19, 02:25 UTC1h 25m
2026-04-18 HL1269 - Apr 18, 07:25 UTCApr 18, 07:35 UTC10m
2026-04-18 HL1269 - Apr 18, 02:20 UTCApr 18, 03:20 UTC1h 0m

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 HL1269 page for operator, model, and routing details .

Mode-S 718A69 frequently asked

What is Mode-S code 718A69?
718A69 is an ICAO 24-bit transponder address. Allocated to Korea, South. Assigned to HL1269.
Where is Mode-S 718A69 registered?
Mode-S code 718A69 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 718A69 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 718A69, octal 34305151, decimal 7,441,001.
What flights does 718A69 operate?
Mode-S 718A69 has broadcast 1 distinct callsign, including HL1269.