sensors Mode-S transponder

AA2D8B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N755KP · CESSNA 208 Caravan · operated by KALININ PARTNERS LLC

Hex
AA2D8B
Octal
52426613
Decimal
11,152,779
Country
US
Tail
N755KP
Type
C208
No current signal · last broadcast 7h ago
Flights observed
224
Distinct callsigns
14
Country
US
Last broadcast
7h ago

Last known position

Most recent position reported by Mode-S AA2D8B.

Country allocation

The ICAO 24-bit address AA2D8B 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 14 distinct

Callsign Airline Flights Last seen
EXP623 - 45 2026-07-17
EXP6231 - 42 2026-07-17
EXP624 - 41 2026-07-17
EXP6241 - 39 2026-07-17
N755KP - 25 2026-05-30
EXP300 - 7 2026-07-16
EXP304 - 6 2026-07-15
EXP301 - 4 2026-07-16
EXP324 Business Express Delivery 3 2026-06-03
EXP323 Business Express Delivery 3 2026-06-03
EXP305 - 3 2026-07-17
EXP306 - 2 2026-07-15
EXP55 Business Express Delivery 1 2026-06-06
EXP3001 - 1 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 EXP6241 - Jul 17, 20:50 UTCJul 17, 21:20 UTC30m
2026-07-17 EXP624 - Jul 17, 19:45 UTCJul 17, 20:10 UTC25m
2026-07-17 EXP6231 - Jul 17, 18:25 UTCJul 17, 18:50 UTC25m
2026-07-17 EXP623 - Jul 17, 16:29 UTCJul 17, 17:40 UTC1h 10m
2026-07-17 EXP305 - Jul 17, 00:20 UTCJul 17, 00:30 UTC10m
2026-07-16 EXP6241 - Jul 16, 21:15 UTCJul 16, 22:19 UTC1h 5m
2026-07-16 EXP624 - Jul 16, 20:09 UTCJul 16, 20:29 UTC20m
2026-07-16 EXP6231 - Jul 16, 18:34 UTCJul 16, 18:55 UTC20m
2026-07-16 EXP623 - Jul 16, 17:20 UTCJul 16, 18:00 UTC40m
2026-07-16 EXP301 - Jul 16, 16:19 UTCJul 16, 16:35 UTC15m
2026-07-16 EXP300 - Jul 16, 15:05 UTCJul 16, 15:14 UTC10m
2026-07-16 EXP305 - Jul 16, 00:40 UTCJul 16, 01:15 UTC35m
2026-07-15 EXP304 - Jul 15, 22:15 UTCJul 15, 22:25 UTC10m
2026-07-15 EXP6241 - Jul 15, 21:05 UTCJul 15, 21:40 UTC35m
2026-07-15 EXP624 - Jul 15, 19:55 UTCJul 15, 20:25 UTC30m
2026-07-15 EXP6231 - Jul 15, 18:45 UTCJul 15, 19:05 UTC20m
2026-07-15 EXP623 - Jul 15, 17:15 UTCJul 15, 17:50 UTC35m
2026-07-15 EXP300 - Jul 15, 15:05 UTCJul 15, 15:15 UTC10m
2026-07-15 EXP306 - Jul 15, 01:05 UTCJul 15, 01:30 UTC25m
2026-07-14 EXP304 - Jul 14, 22:20 UTCJul 14, 22:30 UTC10m
2026-07-14 EXP6241 - Jul 14, 20:50 UTCJul 14, 21:20 UTC30m
2026-07-14 EXP624 - Jul 14, 19:55 UTCJul 14, 20:20 UTC25m
2026-07-14 EXP6231 - Jul 14, 18:30 UTCJul 14, 18:45 UTC15m
2026-07-14 EXP623 - Jul 14, 17:20 UTCJul 14, 17:55 UTC35m
2026-07-13 EXP6241 - Jul 13, 20:55 UTCJul 13, 21:30 UTC35m
2026-07-13 EXP624 - Jul 13, 19:50 UTCJul 13, 20:15 UTC25m
2026-07-13 EXP6231 - Jul 13, 18:30 UTCJul 13, 19:00 UTC30m
2026-07-13 EXP623 - Jul 13, 17:05 UTCJul 13, 17:45 UTC40m
2026-07-12 EXP6241 - Jul 12, 21:10 UTCJul 12, 22:20 UTC1h 10m
2026-07-12 EXP624 - Jul 12, 20:01 UTCJul 12, 20:25 UTC25m
2026-07-12 EXP6231 - Jul 12, 18:45 UTCJul 12, 19:10 UTC25m
2026-07-12 EXP623 - Jul 12, 17:15 UTCJul 12, 17:50 UTC35m
2026-07-11 EXP6241 - Jul 11, 21:00 UTCJul 11, 21:35 UTC35m
2026-07-11 EXP624 - Jul 11, 19:50 UTCJul 11, 20:15 UTC25m
2026-07-11 EXP6231 - Jul 11, 18:30 UTCJul 11, 18:55 UTC25m
2026-07-11 EXP623 - Jul 11, 17:15 UTCJul 11, 17:45 UTC30m
2026-07-10 EXP6241 - Jul 10, 21:10 UTCJul 10, 21:45 UTC35m
2026-07-10 EXP624 - Jul 10, 20:15 UTCJul 10, 20:40 UTC25m
2026-07-10 EXP6231 - Jul 10, 18:30 UTCJul 10, 18:55 UTC25m
2026-07-10 EXP623 - Jul 10, 17:15 UTCJul 10, 17:45 UTC30m
2026-07-09 EXP304 - Jul 9, 22:15 UTCJul 9, 22:25 UTC10m
2026-07-09 EXP6241 - Jul 9, 20:30 UTCJul 9, 21:10 UTC40m
2026-07-09 EXP624 - Jul 9, 19:30 UTCJul 9, 19:55 UTC25m
2026-07-09 EXP6231 - Jul 9, 18:25 UTCJul 9, 18:40 UTC15m
2026-07-09 EXP623 - Jul 9, 17:15 UTCJul 9, 17:35 UTC20m
2026-07-08 EXP6241 - Jul 8, 21:10 UTCJul 8, 21:40 UTC30m
2026-07-08 EXP624 - Jul 8, 19:55 UTCJul 8, 20:20 UTC25m
2026-07-08 EXP6231 - Jul 8, 18:30 UTCJul 8, 18:45 UTC15m
2026-07-08 EXP623 - Jul 8, 17:15 UTCJul 8, 17:40 UTC25m
2026-07-07 EXP6241 - Jul 7, 21:05 UTCJul 7, 21:45 UTC40m

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 N755KP page for operator, model, and routing details .

Mode-S AA2D8B frequently asked

What is Mode-S code AA2D8B?
AA2D8B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N755KP.
Where is Mode-S AA2D8B registered?
Mode-S code AA2D8B 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 AA2D8B broadcasting right now?
No active broadcast right now. Last signal was 7h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA2D8B, octal 52426613, decimal 11,152,779.
What flights does AA2D8B operate?
Mode-S AA2D8B has broadcast 14 distinct callsigns, including EXP623, EXP6231, EXP624, EXP6241, N755KP.