Apparatus

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sensors Mode-S transponder

A8A07A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N655NA · DIAMOND DA-40 Club Star · operated by BCD LEASING CORP

Hex
A8A07A
Octal
52120172
Decimal
11,051,130
Country
US
Tail
N655NA
Type
DA40
No current signal · last broadcast 1h ago
Flights observed
113
Distinct callsigns
1
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S A8A07A.

Country allocation

The ICAO 24-bit address A8A07A 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 1 distinct

Callsign Airline Flights Last seen
N655NA - 113 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 N655NA - Jul 14, 14:15 UTCJul 14, 14:30 UTC15m
2026-07-13 N655NA - Jul 13, 21:05 UTCJul 13, 22:15 UTC1h 10m
2026-07-08 N655NA - Jul 8, 18:00 UTCJul 8, 18:45 UTC45m
2026-07-08 N655NA - Jul 8, 14:55 UTCJul 8, 16:40 UTC1h 45m
2026-07-08 N655NA - Jul 8, 00:40 UTCJul 8, 01:55 UTC1h 15m
2026-07-07 N655NA - Jul 7, 21:25 UTCJul 7, 22:10 UTC45m
2026-07-07 N655NA - Jul 7, 16:55 UTCJul 7, 18:20 UTC1h 25m
2026-07-06 N655NA - Jul 6, 20:15 UTCJul 6, 21:25 UTC1h 10m
2026-07-06 N655NA - Jul 6, 15:10 UTCJul 6, 16:35 UTC1h 25m
2026-07-05 N655NA - Jul 5, 21:30 UTCJul 5, 22:30 UTC1h 0m
2026-07-03 N655NA - Jul 3, 18:40 UTCJul 3, 19:15 UTC35m
2026-07-03 N655NA - Jul 3, 17:30 UTCJul 3, 18:25 UTC55m
2026-07-03 N655NA - Jul 3, 14:50 UTCJul 3, 15:45 UTC55m
2026-07-03 N655NA LEX → LEX Jul 3, 12:20 UTCJul 3, 13:30 UTC1h 10m
2026-07-02 N655NA - Jul 2, 21:05 UTCJul 2, 22:00 UTC55m
2026-07-02 N655NA - Jul 2, 16:45 UTCJul 2, 17:50 UTC1h 5m
2026-07-01 N655NA - Jul 1, 23:50 UTCJul 2, 01:00 UTC1h 10m
2026-07-01 N655NA LEX → LEX Jul 1, 21:30 UTCJul 1, 22:25 UTC55m
2026-07-01 N655NA - Jul 1, 17:00 UTCJul 1, 18:00 UTC1h 0m
2026-06-30 N655NA - Jun 30, 18:15 UTCJun 30, 19:30 UTC1h 15m
2026-06-30 N655NA - Jun 30, 15:45 UTCJun 30, 16:50 UTC1h 5m
2026-06-29 N655NA - Jun 29, 20:00 UTCJun 29, 20:54 UTC55m
2026-06-28 N655NA - Jun 28, 20:50 UTCJun 28, 21:50 UTC1h 0m
2026-06-28 N655NA - Jun 28, 16:29 UTCJun 28, 17:44 UTC1h 15m
2026-06-25 N655NA LEX → LEX Jun 25, 20:25 UTCJun 25, 21:15 UTC50m
2026-06-24 N655NA - Jun 24, 20:54 UTCJun 24, 21:40 UTC45m
2026-06-23 N655NA LEX → LEX Jun 23, 23:39 UTCJun 24, 00:34 UTC55m
2026-06-21 N655NA - Jun 21, 20:24 UTCJun 21, 22:20 UTC1h 55m
2026-06-20 N655NA - Jun 20, 23:19 UTCJun 20, 23:59 UTC40m
2026-06-20 N655NA - Jun 20, 21:30 UTCJun 20, 22:00 UTC30m
2026-06-20 N655NA - Jun 20, 17:29 UTCJun 20, 18:54 UTC1h 25m
2026-06-20 N655NA - Jun 20, 15:34 UTCJun 20, 16:34 UTC1h 0m
2026-06-19 N655NA - Jun 19, 18:54 UTCJun 19, 19:59 UTC1h 5m
2026-06-19 N655NA - Jun 19, 15:34 UTCJun 19, 16:59 UTC1h 25m
2026-06-19 N655NA - Jun 19, 00:00 UTCJun 19, 01:19 UTC1h 19m
2026-06-17 N655NA - Jun 17, 19:40 UTCJun 17, 20:00 UTC20m
2026-06-17 N655NA - Jun 17, 16:35 UTCJun 17, 17:50 UTC1h 15m
2026-06-16 N655NA LEX → LEX Jun 16, 22:20 UTCJun 16, 23:40 UTC1h 20m
2026-06-16 N655NA - Jun 16, 15:40 UTCJun 16, 17:35 UTC1h 55m
2026-06-15 N655NA - Jun 15, 18:35 UTCJun 15, 19:45 UTC1h 10m
2026-06-15 N655NA - Jun 15, 13:40 UTCJun 15, 15:15 UTC1h 35m
2026-06-13 N655NA - Jun 13, 18:15 UTCJun 13, 19:10 UTC55m
2026-06-11 N655NA - Jun 11, 18:05 UTCJun 11, 18:35 UTC30m
2026-06-11 N655NA - Jun 11, 02:55 UTCJun 11, 04:25 UTC1h 30m
2026-06-11 N655NA - Jun 11, 00:25 UTCJun 11, 01:00 UTC35m
2026-06-10 N655NA - Jun 10, 18:40 UTCJun 10, 19:35 UTC55m
2026-06-10 N655NA - Jun 10, 16:40 UTCJun 10, 17:35 UTC55m
2026-06-09 N655NA - Jun 9, 23:10 UTCJun 10, 00:30 UTC1h 20m
2026-06-09 N655NA - Jun 9, 03:55 UTCJun 9, 05:00 UTC1h 5m
2026-06-09 N655NA - Jun 9, 01:05 UTCJun 9, 02:15 UTC1h 10m

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 N655NA page for operator, model, and routing details .

Mode-S A8A07A frequently asked

What is Mode-S code A8A07A?
A8A07A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N655NA.
Where is Mode-S A8A07A registered?
Mode-S code A8A07A 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 A8A07A broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8A07A, octal 52120172, decimal 11,051,130.
What flights does A8A07A operate?
Mode-S A8A07A has broadcast 1 distinct callsign, including N655NA.