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sensors Mode-S transponder

A6C76C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N536HF · CESSNA 172R Cutlass RG · operated by VAN ANDA AVIATION LLC

Hex
A6C76C
Octal
51543554
Decimal
10,930,028
Country
US
Tail
N536HF
Type
C72R
No current signal · last broadcast Jul 26, 18:00 UTC
Flights observed
242
Distinct callsigns
1
Country
US
Last broadcast
Jul 26, 18:00 UTC

Last known position

Most recent position reported by Mode-S A6C76C.

Country allocation

The ICAO 24-bit address A6C76C 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
N536HF - 241 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N536HF - Jul 26, 16:45 UTCJul 26, 18:00 UTC1h 15m
2026-07-26 N536HF - Jul 26, 14:05 UTCJul 26, 15:15 UTC1h 10m
2026-07-25 N536HF - Jul 25, 11:55 UTCJul 25, 13:20 UTC1h 25m
2026-07-24 N536HF - Jul 24, 20:00 UTCJul 24, 20:20 UTC20m
2026-07-19 N536HF - Jul 19, 16:50 UTCJul 19, 17:15 UTC25m
2026-07-19 N536HF - Jul 19, 13:40 UTCJul 19, 15:15 UTC1h 35m
2026-07-19 N536HF - Jul 19, 01:00 UTCJul 19, 01:50 UTC50m
2026-07-18 N536HF - Jul 18, 23:35 UTCJul 19, 00:20 UTC45m
2026-07-18 N536HF - Jul 18, 16:00 UTCJul 18, 17:20 UTC1h 20m
2026-07-17 N536HF - Jul 17, 18:55 UTCJul 17, 19:20 UTC25m
2026-07-17 N536HF - Jul 17, 18:00 UTCJul 17, 18:19 UTC20m
2026-07-17 N536HF - Jul 17, 13:00 UTCJul 17, 13:20 UTC20m
2026-07-10 N536HF - Jul 10, 20:45 UTCJul 10, 21:20 UTC35m
2026-07-10 N536HF - Jul 10, 13:10 UTCJul 10, 14:15 UTC1h 5m
2026-07-09 N536HF - Jul 9, 18:35 UTCJul 9, 20:00 UTC1h 25m
2026-07-09 N536HF - Jul 9, 16:15 UTCJul 9, 16:50 UTC35m
2026-07-09 N536HF - Jul 9, 13:55 UTCJul 9, 14:30 UTC35m
2026-07-09 N536HF - Jul 9, 11:35 UTCJul 9, 12:40 UTC1h 5m
2026-07-08 N536HF - Jul 8, 15:55 UTCJul 8, 17:15 UTC1h 20m
2026-07-08 N536HF - Jul 8, 13:45 UTCJul 8, 14:45 UTC1h 0m
2026-07-07 N536HF - Jul 7, 18:10 UTCJul 7, 18:50 UTC40m
2026-07-07 N536HF - Jul 7, 15:35 UTCJul 7, 16:40 UTC1h 5m
2026-07-07 N536HF - Jul 7, 13:25 UTCJul 7, 14:20 UTC55m
2026-07-06 N536HF - Jul 6, 17:45 UTCJul 6, 18:30 UTC45m
2026-07-06 N536HF - Jul 6, 14:00 UTCJul 6, 14:10 UTC10m
2026-07-06 N536HF - Jul 6, 13:00 UTCJul 6, 13:10 UTC10m
2026-07-04 N536HF - Jul 4, 17:15 UTCJul 4, 18:40 UTC1h 25m
2026-07-03 N536HF - Jul 3, 18:05 UTCJul 3, 19:35 UTC1h 30m
2026-07-03 - - Jul 3, 16:10 UTCJul 3, 16:35 UTC25m
2026-07-02 N536HF - Jul 2, 21:55 UTCJul 2, 22:50 UTC55m
2026-07-02 N536HF - Jul 2, 19:25 UTCJul 2, 20:30 UTC1h 5m
2026-07-02 N536HF - Jul 2, 18:05 UTCJul 2, 18:20 UTC15m
2026-07-02 N536HF - Jul 2, 17:00 UTCJul 2, 17:30 UTC30m
2026-07-02 N536HF - Jul 2, 14:05 UTCJul 2, 15:10 UTC1h 5m
2026-07-02 N536HF - Jul 2, 12:20 UTCJul 2, 13:00 UTC40m
2026-07-01 N536HF - Jul 1, 21:25 UTCJul 1, 22:50 UTC1h 25m
2026-07-01 N536HF - Jul 1, 19:20 UTCJul 1, 20:25 UTC1h 5m
2026-07-01 N536HF - Jul 1, 16:55 UTCJul 1, 18:10 UTC1h 15m
2026-07-01 N536HF - Jul 1, 14:55 UTCJul 1, 15:50 UTC55m
2026-07-01 N536HF - Jul 1, 12:45 UTCJul 1, 13:45 UTC1h 0m
2026-06-30 N536HF - Jun 30, 20:55 UTCJun 30, 21:15 UTC20m
2026-06-30 N536HF - Jun 30, 13:00 UTCJun 30, 14:10 UTC1h 10m
2026-06-30 N536HF - Jun 30, 11:55 UTCJun 30, 12:30 UTC35m
2026-06-30 N536HF - Jun 30, 01:50 UTCJun 30, 03:30 UTC1h 40m
2026-06-29 N536HF - Jun 29, 18:30 UTCJun 29, 19:20 UTC50m
2026-06-29 N536HF - Jun 29, 16:10 UTCJun 29, 16:59 UTC50m
2026-06-28 N536HF - Jun 28, 19:20 UTCJun 28, 20:39 UTC1h 20m
2026-06-28 N536HF - Jun 28, 14:14 UTCJun 28, 15:29 UTC1h 15m
2026-06-27 N536HF - Jun 27, 15:24 UTCJun 27, 16:20 UTC55m
2026-06-27 N536HF - Jun 27, 10:54 UTCJun 27, 13:00 UTC2h 5m

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 N536HF page for operator, model, and routing details .

Mode-S A6C76C frequently asked

What is Mode-S code A6C76C?
A6C76C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N536HF.
Where is Mode-S A6C76C registered?
Mode-S code A6C76C 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 A6C76C broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A6C76C, octal 51543554, decimal 10,930,028.
What flights does A6C76C operate?
Mode-S A6C76C has broadcast 1 distinct callsign, including N536HF.