Apparatus

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sensors Mode-S transponder

A512D6

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N426KM · CESSNA 208 Caravan · operated by KENMORE AIR HARBOR LLC

Hex
A512D6
Octal
51211326
Decimal
10,818,262
Country
US
Tail
N426KM
Type
C208
No current signal · last broadcast 2h ago
Flights observed
146
Distinct callsigns
12
Country
US
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S A512D6.

Country allocation

The ICAO 24-bit address A512D6 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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 12 distinct

Callsign Airline Flights Last seen
KEN1710 Kenmore Air 35 2026-05-26
KEN1818 Kenmore Air 27 2026-05-16
KEN5151 Kenmore Air 22 2026-05-30
KEN6565 Kenmore Air 19 2026-05-18
KEN3030 Kenmore Air 11 2026-05-02
KEN3333 Kenmore Air 9 2026-05-22
KEN2020 Kenmore Air 7 2026-05-29
KEN5050 Kenmore Air 5 2026-04-30
KEN4444 Kenmore Air 4 2026-05-11
KEN2839 Kenmore Air 3 2026-04-21
KEN3232 Kenmore Air 2 2026-04-26
KEN2828 Kenmore Air 2 2026-04-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 KEN5151 BFI → PWT May 30, 00:20 UTCMay 30, 01:00 UTC40m
2026-05-29 KEN5151 BFI → PWT May 29, 23:15 UTCMay 29, 23:45 UTC30m
2026-05-29 KEN5151 BFI → PWT May 29, 21:55 UTCMay 29, 22:25 UTC30m
2026-05-29 KEN5151 BFI → PWT May 29, 20:35 UTCMay 29, 21:15 UTC40m
2026-05-29 KEN5151 BFI → PWT May 29, 18:30 UTCMay 29, 20:05 UTC1h 35m
2026-05-29 KEN5151 BFI → PWT May 29, 16:15 UTCMay 29, 17:45 UTC1h 30m
2026-05-29 KEN2020 ESD → BFI May 29, 00:20 UTCMay 29, 00:55 UTC35m
2026-05-28 KEN2020 ESD → BFI May 28, 23:10 UTCMay 28, 23:40 UTC30m
2026-05-28 KEN2020 ESD → BFI May 28, 20:30 UTCMay 28, 21:55 UTC1h 25m
2026-05-26 KEN1710 BFI → PAE May 26, 23:14 UTCMay 27, 01:05 UTC1h 50m
2026-05-26 KEN1710 BFI → PAE May 26, 21:29 UTCMay 26, 22:54 UTC1h 25m
2026-05-26 KEN1710 BFI → PAE May 26, 18:55 UTCMay 26, 20:45 UTC1h 50m
2026-05-26 KEN1710 BFI → PAE May 26, 16:20 UTCMay 26, 18:24 UTC2h 5m
2026-05-25 KEN5151 BFI → PWT May 25, 23:14 UTCMay 26, 01:00 UTC1h 45m
2026-05-25 KEN5151 BFI → PWT May 25, 22:00 UTCMay 25, 22:44 UTC45m
2026-05-25 KEN5151 BFI → PWT May 25, 20:34 UTCMay 25, 21:04 UTC30m
2026-05-25 KEN5151 BFI → PWT May 25, 17:00 UTCMay 25, 18:05 UTC1h 5m
2026-05-25 KEN5151 BFI → PWT May 25, 16:00 UTCMay 25, 16:25 UTC25m
2026-05-24 KEN2020 ESD → BFI May 24, 23:00 UTCMay 24, 23:30 UTC30m
2026-05-24 KEN2020 ESD → BFI May 24, 20:35 UTCMay 24, 21:45 UTC1h 10m
2026-05-22 KEN3333 FRD → BFI May 22, 23:00 UTCMay 23, 00:30 UTC1h 30m
2026-05-22 KEN3333 FRD → BFI May 22, 20:35 UTCMay 22, 21:55 UTC1h 20m
2026-05-22 KEN3333 FRD → BFI May 22, 18:40 UTCMay 22, 20:00 UTC1h 20m
2026-05-22 KEN3333 FRD → BFI May 22, 16:10 UTCMay 22, 17:40 UTC1h 30m
2026-05-21 KEN5151 BFI → PWT May 21, 23:00 UTCMay 22, 00:50 UTC1h 50m
2026-05-21 KEN5151 BFI → PWT May 21, 20:35 UTCMay 21, 22:25 UTC1h 50m
2026-05-21 KEN1710 BFI → PAE May 21, 16:10 UTCMay 21, 17:55 UTC1h 45m
2026-05-21 KEN1710 BFI → PAE May 21, 14:35 UTCMay 21, 15:30 UTC55m
2026-05-21 KEN1710 BFI → PAE May 21, 01:35 UTCMay 21, 02:25 UTC50m
2026-05-20 KEN1710 BFI → PAE May 20, 23:10 UTCMay 21, 00:55 UTC1h 45m
2026-05-20 KEN1710 BFI → PAE May 20, 20:40 UTCMay 20, 22:05 UTC1h 25m
2026-05-20 KEN5151 BFI → PWT May 20, 16:15 UTCMay 20, 18:20 UTC2h 5m
2026-05-20 KEN5151 BFI → PWT May 20, 14:40 UTCMay 20, 15:40 UTC1h 0m
2026-05-20 KEN5151 BFI → PWT May 20, 01:35 UTCMay 20, 02:05 UTC30m
2026-05-19 KEN5151 BFI → PWT May 19, 23:15 UTCMay 20, 01:10 UTC1h 55m
2026-05-19 KEN3333 FRD → BFI May 19, 20:50 UTCMay 19, 22:45 UTC1h 55m
2026-05-19 KEN3333 FRD → BFI May 19, 18:35 UTCMay 19, 20:05 UTC1h 30m
2026-05-18 KEN1710 BFI → PAE May 18, 22:55 UTCMay 19, 00:20 UTC1h 25m
2026-05-18 KEN6565 FRD → BFI May 18, 17:25 UTCMay 18, 17:55 UTC30m
2026-05-18 KEN6565 FRD → BFI May 18, 16:00 UTCMay 18, 16:40 UTC40m
2026-05-18 KEN6565 FRD → BFI May 18, 14:35 UTCMay 18, 15:30 UTC55m
2026-05-18 KEN6565 FRD → BFI May 18, 01:25 UTCMay 18, 02:15 UTC50m
2026-05-17 KEN6565 FRD → BFI May 17, 23:10 UTCMay 18, 00:45 UTC1h 35m
2026-05-17 KEN6565 FRD → BFI May 17, 20:45 UTCMay 17, 22:20 UTC1h 35m
2026-05-17 KEN1710 BFI → PAE May 17, 17:35 UTCMay 17, 18:10 UTC35m
2026-05-17 KEN1710 BFI → PAE May 17, 16:15 UTCMay 17, 17:01 UTC45m
2026-05-17 KEN1710 BFI → PAE May 17, 14:40 UTCMay 17, 15:35 UTC55m
2026-05-17 KEN1710 BFI → PAE May 17, 01:15 UTCMay 17, 02:05 UTC50m
2026-05-16 KEN1710 BFI → PAE May 16, 23:00 UTCMay 17, 00:50 UTC1h 50m
2026-05-16 KEN1710 BFI → PAE May 16, 20:40 UTCMay 16, 22:35 UTC1h 55m

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 N426KM page for operator, model, and routing details .

Mode-S A512D6 frequently asked

What is Mode-S code A512D6?
A512D6 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N426KM.
Where is Mode-S A512D6 registered?
Mode-S code A512D6 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is A512D6 broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A512D6, octal 51211326, decimal 10,818,262.
What flights does A512D6 operate?
Mode-S A512D6 has broadcast 12 distinct callsigns, including KEN1710, KEN1818, KEN5151, KEN6565, KEN3030.