Apparatus

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sensors Mode-S transponder

A54B86

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N440KH · operated by AIRCRAFT 28889 LLC

Hex
A54B86
Octal
51245606
Decimal
10,832,774
Country
US
Tail
N440KH
Type
B734
No current signal · last broadcast 8h ago
Flights observed
336
Distinct callsigns
20
Country
US
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S A54B86.

Country allocation

The ICAO 24-bit address A54B86 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 20 distinct

Callsign Airline Flights Last seen
AAH54 Aloha Air Cargo 18 2026-05-29
AAH225 Aloha Air Cargo 17 2026-05-29
AAH224 Aloha Air Cargo 17 2026-05-29
AAH223 Aloha Air Cargo 16 2026-05-29
AAH222 Aloha Air Cargo 16 2026-05-29
AAH221 Aloha Air Cargo 14 2026-05-29
AAH220 Aloha Air Cargo 14 2026-05-29
AAH55 Aloha Air Cargo 13 2026-05-29
AAH43 Aloha Air Cargo 12 2026-05-29
AAH44 Aloha Air Cargo 11 2026-05-26
AAH17 Aloha Air Cargo 11 2026-05-19
AAH551 Aloha Air Cargo 10 2026-05-26
AAH550 Aloha Air Cargo 10 2026-05-21
AAH553 Aloha Air Cargo 9 2026-05-27
AAH42 Aloha Air Cargo 9 2026-05-16
AAH57 Aloha Air Cargo 8 2026-05-27
AAH56 Aloha Air Cargo 8 2026-05-27
AAH552 Aloha Air Cargo 8 2026-05-27
AAH442 Aloha Air Cargo 8 2026-05-28
AAH18 Aloha Air Cargo 8 2026-05-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 AAH225 OGG → HNL May 29, 15:30 UTCMay 29, 15:45 UTC15m
2026-05-29 AAH224 HNL → OGG May 29, 14:20 UTCMay 29, 14:40 UTC20m
2026-05-29 AAH223 OGG → HNL May 29, 12:35 UTCMay 29, 12:50 UTC15m
2026-05-29 AAH222 HNL → OGG May 29, 11:25 UTCMay 29, 11:45 UTC20m
2026-05-29 AAH221 OGG → HNL May 29, 08:30 UTCMay 29, 08:50 UTC20m
2026-05-29 AAH220 HNL → OGG May 29, 07:30 UTCMay 29, 07:45 UTC15m
2026-05-29 AAH43 KOA → HNL May 29, 05:20 UTCMay 29, 05:55 UTC35m
2026-05-29 AAH55 ITO → HNL May 29, 04:25 UTCMay 29, 04:35 UTC10m
2026-05-29 AAH54 HNL → ITO May 29, 02:35 UTCMay 29, 02:50 UTC15m
2026-05-28 AAH445 KOA → HNL May 28, 19:05 UTCMay 28, 19:30 UTC25m
2026-05-28 AAH444 HNL → KOA May 28, 18:10 UTCMay 28, 18:35 UTC25m
2026-05-28 AAH443 KOA → HNL May 28, 16:35 UTCMay 28, 17:00 UTC25m
2026-05-28 AAH442 HNL → KOA May 28, 15:25 UTCMay 28, 15:50 UTC25m
2026-05-28 AAH221 OGG → HNL May 28, 08:25 UTCMay 28, 08:45 UTC20m
2026-05-28 AAH220 HNL → OGG May 28, 07:30 UTCMay 28, 07:50 UTC20m
2026-05-28 AAH43 KOA → HNL May 28, 06:00 UTCMay 28, 06:25 UTC25m
2026-05-28 AAH55 ITO → HNL May 28, 04:55 UTCMay 28, 05:05 UTC10m
2026-05-28 AAH54 HNL → ITO May 28, 02:40 UTCMay 28, 03:00 UTC20m
2026-05-27 AAH553 ITO → HNL May 27, 16:25 UTCMay 27, 16:55 UTC30m
2026-05-27 AAH552 KOA → ITO May 27, 15:00 UTCMay 27, 15:20 UTC20m
2026-05-27 AAH57 ITO → HNL May 27, 13:25 UTCMay 27, 13:50 UTC25m
2026-05-27 AAH56 HNL → ITO May 27, 11:40 UTCMay 27, 12:00 UTC20m
2026-05-27 AAH221 OGG → HNL May 27, 07:55 UTCMay 27, 08:15 UTC20m
2026-05-27 AAH220 HNL → OGG May 27, 06:49 UTCMay 27, 07:10 UTC20m
2026-05-27 AAH114 LIH → HNL May 27, 04:14 UTCMay 27, 04:24 UTC10m
2026-05-27 AAH113 HNL → LIH May 27, 03:09 UTCMay 27, 03:20 UTC10m
2026-05-26 AAH225 OGG → HNL May 26, 14:45 UTCMay 26, 15:00 UTC15m
2026-05-26 AAH224 HNL → OGG May 26, 13:45 UTCMay 26, 14:05 UTC20m
2026-05-26 AAH223 OGG → HNL May 26, 12:10 UTCMay 26, 12:30 UTC20m
2026-05-26 AAH222 HNL → OGG May 26, 11:00 UTCMay 26, 11:20 UTC20m
2026-05-26 AAH551 ITO → HNL May 26, 08:19 UTCMay 26, 08:45 UTC25m
2026-05-26 AAH44 HNL → KOA May 26, 06:20 UTCMay 26, 06:44 UTC25m
2026-05-25 AAH225 OGG → HNL May 25, 15:05 UTCMay 25, 15:20 UTC15m
2026-05-25 AAH224 HNL → OGG May 25, 14:05 UTCMay 25, 14:25 UTC20m
2026-05-25 AAH223 OGG → HNL May 25, 12:25 UTCMay 25, 12:50 UTC25m
2026-05-25 AAH222 HNL → OGG May 25, 11:15 UTCMay 25, 11:35 UTC20m
2026-05-24 AAH25 OGG → HNL May 24, 14:50 UTCMay 24, 15:05 UTC15m
2026-05-24 AAH24 HNL → OGG May 24, 13:55 UTCMay 24, 14:15 UTC20m
2026-05-24 AAH23 OGG → HNL May 24, 12:20 UTCMay 24, 12:35 UTC15m
2026-05-24 AAH22 HNL → OGG May 24, 11:20 UTCMay 24, 11:40 UTC20m
2026-05-24 AAH55 ITO → HNL May 24, 04:15 UTCMay 24, 04:45 UTC30m
2026-05-24 AAH54 HNL → ITO May 24, 02:30 UTCMay 24, 02:50 UTC20m
2026-05-23 AAH225 OGG → HNL May 23, 15:10 UTCMay 23, 15:25 UTC15m
2026-05-23 AAH224 HNL → OGG May 23, 14:00 UTCMay 23, 14:20 UTC20m
2026-05-23 AAH223 OGG → HNL May 23, 12:45 UTCMay 23, 13:00 UTC15m
2026-05-23 AAH222 HNL → OGG May 23, 11:35 UTCMay 23, 11:55 UTC20m
2026-05-21 AAH225 OGG → HNL May 21, 15:15 UTCMay 21, 15:35 UTC20m
2026-05-21 AAH224 HNL → OGG May 21, 14:15 UTCMay 21, 14:35 UTC20m
2026-05-21 AAH223 OGG → HNL May 21, 12:25 UTCMay 21, 12:45 UTC20m
2026-05-21 AAH222 HNL → OGG May 21, 11:25 UTCMay 21, 11:45 UTC20m

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 N440KH page for operator, model, and routing details .

Mode-S A54B86 frequently asked

What is Mode-S code A54B86?
A54B86 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N440KH.
Where is Mode-S A54B86 registered?
Mode-S code A54B86 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 A54B86 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A54B86, octal 51245606, decimal 10,832,774.
What flights does A54B86 operate?
Mode-S A54B86 has broadcast 20 distinct callsigns, including AAH54, AAH225, AAH224, AAH223, AAH222.