sensors Mode-S transponder

AACB4A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N795HC · CESSNA 525C Citation CJ4 · operated by N795HC LLC

Hex
AACB4A
Octal
52545512
Decimal
11,193,162
Country
US
Tail
N795HC
Type
C25C
No current signal · last broadcast 4d ago
Flights observed
33
Distinct callsigns
1
Country
US
Last broadcast
4d ago

Last known position

Most recent position reported by Mode-S AACB4A.

Country allocation

The ICAO 24-bit address AACB4A 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
N795HC - 33 2026-06-02

Recent flights last 33

DateFlightRouteTakeoffLandingDuration
2026-06-02 N795HC - Jun 2, 22:00 UTCJun 3, 00:00 UTC2h 0m
2026-06-01 N795HC - Jun 1, 14:10 UTCJun 1, 16:15 UTC2h 5m
2026-05-22 N795HC - May 22, 15:25 UTCMay 22, 15:50 UTC25m
2026-05-22 N795HC - May 22, 14:00 UTCMay 22, 14:20 UTC20m
2026-05-20 N795HC - May 20, 23:15 UTCMay 20, 23:35 UTC20m
2026-05-20 N795HC - May 20, 22:20 UTCMay 20, 22:40 UTC20m
2026-05-19 N795HC - May 19, 17:35 UTCMay 19, 19:15 UTC1h 40m
2026-05-19 N795HC - May 19, 15:15 UTCMay 19, 16:45 UTC1h 30m
2026-05-16 N795HC - May 16, 00:30 UTCMay 16, 02:30 UTC2h 0m
2026-05-13 N795HC - May 13, 14:20 UTCMay 13, 16:45 UTC2h 25m
2026-05-12 N795HC - May 12, 21:40 UTCMay 13, 01:10 UTC3h 30m
2026-05-09 N795HC - May 9, 17:49 UTCMay 9, 19:10 UTC1h 20m
2026-05-09 N795HC - May 9, 14:55 UTCMay 9, 16:20 UTC1h 25m
2026-05-06 N795HC - May 6, 18:20 UTCMay 6, 19:15 UTC55m
2026-05-04 N795HC - May 4, 16:55 UTCMay 4, 17:50 UTC55m
2026-05-04 N795HC - May 4, 14:45 UTCMay 4, 16:15 UTC1h 30m
2026-05-04 N795HC SUA → CHK May 4, 11:00 UTCMay 4, 14:05 UTC3h 5m
2026-05-01 N795HC - May 1, 16:15 UTCMay 1, 19:45 UTC3h 30m
2026-04-28 N795HC - Apr 28, 19:25 UTCApr 28, 20:40 UTC1h 15m
2026-04-28 N795HC - Apr 28, 17:20 UTCApr 28, 19:00 UTC1h 40m
2026-04-28 N795HC - Apr 28, 13:50 UTCApr 28, 14:10 UTC20m
2026-04-26 N795HC - Apr 26, 22:50 UTCApr 27, 00:05 UTC1h 15m
2026-04-26 N795HC - Apr 26, 20:50 UTCApr 26, 21:50 UTC1h 0m
2026-04-22 N795HC - Apr 22, 15:05 UTCApr 22, 16:50 UTC1h 45m
2026-04-19 N795HC - Apr 19, 20:40 UTCApr 19, 22:00 UTC1h 20m
2026-04-19 N795HC MYF → SCF Apr 19, 19:15 UTCApr 19, 20:10 UTC55m
2026-04-17 N795HC - Apr 17, 18:20 UTCApr 17, 19:15 UTC55m
2026-04-17 N795HC - Apr 17, 15:55 UTCApr 17, 17:15 UTC1h 20m
2026-04-14 N795HC - Apr 14, 22:55 UTCApr 14, 23:55 UTC1h 0m
2026-04-14 N795HC - Apr 14, 20:55 UTCApr 14, 22:10 UTC1h 15m
2026-04-14 N795HC - Apr 14, 20:35 UTCApr 14, 20:50 UTC15m
2026-04-13 N795HC - Apr 13, 15:50 UTCApr 13, 16:10 UTC20m
2026-04-13 N795HC - Apr 13, 14:50 UTCApr 13, 16:10 UTC1h 20m

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 N795HC page for operator, model, and routing details .

Mode-S AACB4A frequently asked

What is Mode-S code AACB4A?
AACB4A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N795HC.
Where is Mode-S AACB4A registered?
Mode-S code AACB4A 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 AACB4A broadcasting right now?
No active broadcast right now. Last signal was 4d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AACB4A, octal 52545512, decimal 11,193,162.
What flights does AACB4A operate?
Mode-S AACB4A has broadcast 1 distinct callsign, including N795HC.