Apparatus

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sensors Mode-S transponder

A8D8BB

ICAO 24-bit transponder address · allocated to United States

Hex
A8D8BB
Octal
52154273
Decimal
11,065,531
Country
US
No current signal · last broadcast 6h ago
Flights observed
94
Distinct callsigns
1
Country
US
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S A8D8BB.

Country allocation

The ICAO 24-bit address A8D8BB 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
N6695M - 94 2026-06-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-18 N6695M - Jun 18, 23:35 UTCJun 19, 01:15 UTC1h 39m
2026-06-18 N6695M HWD → HWD Jun 18, 03:40 UTCJun 18, 03:55 UTC15m
2026-06-18 N6695M HWD → HWD Jun 18, 02:45 UTCJun 18, 03:35 UTC50m
2026-06-18 N6695M - Jun 18, 01:00 UTCJun 18, 01:55 UTC55m
2026-06-17 N6695M HWD → HWD Jun 17, 22:55 UTCJun 18, 00:00 UTC1h 5m
2026-06-17 N6695M HWD → HWD Jun 17, 21:05 UTCJun 17, 21:30 UTC25m
2026-06-17 N6695M - Jun 17, 01:10 UTCJun 17, 02:15 UTC1h 5m
2026-06-16 N6695M HWD → HWD Jun 16, 21:45 UTCJun 16, 22:10 UTC25m
2026-06-16 N6695M HWD → HWD Jun 16, 19:50 UTCJun 16, 20:55 UTC1h 5m
2026-06-16 N6695M HWD → HWD Jun 16, 02:15 UTCJun 16, 04:00 UTC1h 45m
2026-06-15 N6695M HWD → HWD Jun 15, 23:50 UTCJun 16, 00:35 UTC45m
2026-06-15 N6695M - Jun 15, 03:30 UTCJun 15, 04:00 UTC30m
2026-06-14 N6695M HWD → HWD Jun 14, 22:25 UTCJun 14, 23:59 UTC1h 34m
2026-06-14 N6695M HWD → HWD Jun 14, 02:30 UTCJun 14, 04:15 UTC1h 45m
2026-06-13 N6695M HWD → HWD Jun 13, 21:20 UTCJun 13, 21:40 UTC20m
2026-06-13 N6695M - Jun 13, 19:15 UTCJun 13, 19:55 UTC40m
2026-06-12 N6695M HWD → HWD Jun 12, 04:30 UTCJun 12, 06:05 UTC1h 35m
2026-06-11 N6695M HWD → HWD Jun 11, 23:50 UTCJun 12, 01:00 UTC1h 11m
2026-06-11 N6695M - Jun 11, 19:45 UTCJun 11, 21:05 UTC1h 20m
2026-06-11 N6695M HWD → MHR Jun 11, 18:35 UTCJun 11, 19:35 UTC1h 0m
2026-06-11 N6695M - Jun 11, 03:45 UTCJun 11, 04:25 UTC40m
2026-06-11 N6695M - Jun 11, 02:25 UTCJun 11, 03:40 UTC1h 15m
2026-06-11 N6695M HWD → HWD Jun 11, 00:05 UTCJun 11, 01:40 UTC1h 35m
2026-06-10 N6695M HWD → HWD Jun 10, 03:40 UTCJun 10, 04:20 UTC40m
2026-06-10 N6695M - Jun 10, 01:10 UTCJun 10, 03:10 UTC2h 0m
2026-06-09 N6695M - Jun 9, 21:45 UTCJun 9, 22:30 UTC45m
2026-06-08 N6695M HWD → HWD Jun 8, 23:15 UTCJun 9, 00:05 UTC50m
2026-06-08 N6695M HWD → HWD Jun 8, 00:25 UTCJun 8, 01:25 UTC1h 0m
2026-06-07 N6695M HWD → HWD Jun 7, 21:10 UTCJun 7, 23:30 UTC2h 20m
2026-06-07 N6695M - Jun 7, 03:05 UTCJun 7, 03:40 UTC35m
2026-06-04 N6695M - Jun 4, 21:20 UTCJun 4, 22:20 UTC1h 0m
2026-06-03 N6695M - Jun 3, 23:10 UTCJun 4, 00:00 UTC50m
2026-06-03 N6695M HWD → HWD Jun 3, 21:05 UTCJun 3, 22:10 UTC1h 5m
2026-06-02 N6695M HWD → HWD Jun 2, 01:45 UTCJun 2, 01:55 UTC10m
2026-06-01 N6695M - Jun 1, 23:40 UTCJun 2, 00:55 UTC1h 15m
2026-06-01 N6695M HWD → HWD Jun 1, 21:20 UTCJun 1, 22:25 UTC1h 5m
2026-06-01 N6695M HWD → HWD Jun 1, 00:50 UTCJun 1, 02:40 UTC1h 50m
2026-05-31 N6695M - May 31, 21:40 UTCMay 31, 23:40 UTC2h 0m
2026-05-31 N6695M - May 31, 00:00 UTCMay 31, 01:11 UTC1h 11m
2026-05-30 N6695M HWD → HWD May 30, 22:15 UTCMay 30, 23:05 UTC50m
2026-05-30 N6695M - May 30, 20:00 UTCMay 30, 21:15 UTC1h 15m
2026-05-29 N6695M HWD → HWD May 29, 21:15 UTCMay 29, 22:00 UTC45m
2026-05-29 N6695M - May 29, 00:25 UTCMay 29, 01:30 UTC1h 5m
2026-05-27 N6695M - May 27, 19:25 UTCMay 27, 20:00 UTC35m
2026-05-24 N6695M HWD → HWD May 24, 19:20 UTCMay 24, 19:50 UTC30m
2026-05-24 N6695M HWD → HWD May 24, 03:00 UTCMay 24, 03:55 UTC55m
2026-05-24 N6695M HWD → HWD May 24, 00:40 UTCMay 24, 01:55 UTC1h 15m
2026-05-23 N6695M - May 23, 19:20 UTCMay 23, 21:00 UTC1h 40m
2026-05-23 N6695M - May 23, 02:35 UTCMay 23, 03:05 UTC30m
2026-05-22 N6695M - May 22, 02:10 UTCMay 22, 03:45 UTC1h 35m

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.

Mode-S A8D8BB frequently asked

What is Mode-S code A8D8BB?
A8D8BB is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A8D8BB registered?
Mode-S code A8D8BB 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 A8D8BB broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8D8BB, octal 52154273, decimal 11,065,531.
What flights does A8D8BB operate?
Mode-S A8D8BB has broadcast 1 distinct callsign, including N6695M.