Apparatus

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sensors Mode-S transponder

A808C2

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N617AC · BELL 407 · operated by ASPEN HELICOPTERS INC

Hex
A808C2
Octal
52004302
Decimal
11,012,290
Country
US
Tail
N617AC
Type
B407
No current signal · last broadcast Jul 26, 18:50 UTC
Flights observed
75
Distinct callsigns
1
Country
US
Last broadcast
Jul 26, 18:50 UTC

Last known position

Most recent position reported by Mode-S A808C2.

Country allocation

The ICAO 24-bit address A808C2 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
AHF7AC - 75 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AHF7AC - Jul 26, 18:10 UTCJul 26, 18:50 UTC40m
2026-07-26 AHF7AC - Jul 26, 00:00 UTCJul 26, 00:45 UTC45m
2026-07-25 AHF7AC - Jul 25, 22:25 UTCJul 25, 22:50 UTC25m
2026-07-24 AHF7AC - Jul 24, 17:15 UTCJul 24, 18:45 UTC1h 30m
2026-07-23 AHF7AC - Jul 23, 19:10 UTCJul 23, 21:55 UTC2h 45m
2026-07-23 AHF7AC - Jul 23, 01:45 UTCJul 23, 03:25 UTC1h 40m
2026-07-22 AHF7AC - Jul 22, 18:20 UTCJul 22, 21:05 UTC2h 45m
2026-07-21 AHF7AC - Jul 21, 20:10 UTCJul 21, 22:45 UTC2h 35m
2026-07-21 AHF7AC - Jul 21, 02:10 UTCJul 21, 03:45 UTC1h 35m
2026-07-19 AHF7AC - Jul 19, 23:30 UTCJul 20, 02:05 UTC2h 35m
2026-07-18 AHF7AC - Jul 18, 17:40 UTCJul 18, 18:00 UTC20m
2026-07-17 AHF7AC - Jul 17, 23:50 UTCJul 18, 01:34 UTC1h 45m
2026-07-17 AHF7AC - Jul 17, 22:55 UTCJul 17, 23:10 UTC15m
2026-07-17 AHF7AC - Jul 17, 21:20 UTCJul 17, 22:10 UTC50m
2026-07-15 AHF7AC - Jul 15, 21:40 UTCJul 15, 22:25 UTC45m
2026-07-13 AHF7AC - Jul 13, 16:30 UTCJul 13, 17:05 UTC35m
2026-07-09 AHF7AC - Jul 9, 21:00 UTCJul 9, 21:30 UTC30m
2026-07-09 AHF7AC - Jul 9, 14:20 UTCJul 9, 15:20 UTC1h 0m
2026-07-06 AHF7AC SEE → OXR Jul 6, 16:40 UTCJul 6, 18:20 UTC1h 40m
2026-07-06 AHF7AC NTD → SEE Jul 6, 14:10 UTCJul 6, 15:15 UTC1h 5m
2026-07-03 AHF7AC - Jul 3, 16:50 UTCJul 3, 18:20 UTC1h 30m
2026-06-30 AHF7AC - Jun 30, 18:50 UTCJun 30, 19:05 UTC15m
2026-06-29 AHF7AC - Jun 29, 16:25 UTCJun 29, 16:35 UTC10m
2026-06-23 AHF7AC - Jun 23, 22:15 UTCJun 23, 22:34 UTC20m
2026-06-23 AHF7AC - Jun 23, 19:04 UTCJun 23, 19:29 UTC25m
2026-06-22 AHF7AC - Jun 22, 23:29 UTCJun 23, 00:00 UTC30m
2026-06-22 AHF7AC - Jun 22, 19:40 UTCJun 22, 19:54 UTC15m
2026-06-22 AHF7AC - Jun 22, 19:00 UTCJun 22, 19:09 UTC10m
2026-06-19 AHF7AC - Jun 19, 18:54 UTCJun 19, 20:55 UTC2h 0m
2026-06-19 AHF7AC - Jun 19, 17:59 UTCJun 19, 18:20 UTC20m
2026-06-17 AHF7AC - Jun 17, 19:25 UTCJun 17, 19:45 UTC20m
2026-06-15 AHF7AC - Jun 15, 22:30 UTCJun 15, 23:19 UTC50m
2026-06-15 AHF7AC - Jun 15, 02:04 UTCJun 15, 03:10 UTC1h 5m
2026-06-14 AHF7AC - Jun 14, 23:44 UTCJun 15, 01:25 UTC1h 40m
2026-06-14 AHF7AC - Jun 14, 21:10 UTCJun 14, 22:45 UTC1h 35m
2026-06-14 AHF7AC - Jun 14, 18:45 UTCJun 14, 20:30 UTC1h 45m
2026-06-14 AHF7AC - Jun 14, 17:15 UTCJun 14, 17:45 UTC30m
2026-06-12 AHF7AC - Jun 12, 19:40 UTCJun 12, 20:00 UTC20m
2026-06-11 AHF7AC - Jun 11, 21:00 UTCJun 11, 21:25 UTC25m
2026-06-11 AHF7AC - Jun 11, 17:40 UTCJun 11, 18:15 UTC35m
2026-06-10 AHF7AC - Jun 10, 21:00 UTCJun 10, 21:15 UTC15m
2026-06-10 AHF7AC - Jun 10, 20:00 UTCJun 10, 20:30 UTC30m
2026-06-10 AHF7AC - Jun 10, 17:15 UTCJun 10, 17:45 UTC30m
2026-06-10 AHF7AC - Jun 10, 15:55 UTCJun 10, 16:30 UTC35m
2026-06-07 AHF7AC - Jun 7, 20:25 UTCJun 7, 21:10 UTC45m
2026-06-07 AHF7AC - Jun 7, 19:30 UTCJun 7, 19:50 UTC20m
2026-06-05 AHF7AC - Jun 5, 20:10 UTCJun 5, 20:30 UTC20m
2026-06-04 AHF7AC - Jun 4, 22:20 UTCJun 4, 22:35 UTC15m
2026-06-01 AHF7AC - Jun 1, 18:40 UTCJun 1, 18:55 UTC15m
2026-06-01 AHF7AC - Jun 1, 17:50 UTCJun 1, 18:10 UTC20m

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 N617AC page for operator, model, and routing details .

Mode-S A808C2 frequently asked

What is Mode-S code A808C2?
A808C2 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N617AC.
Where is Mode-S A808C2 registered?
Mode-S code A808C2 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 A808C2 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A808C2, octal 52004302, decimal 11,012,290.
What flights does A808C2 operate?
Mode-S A808C2 has broadcast 1 distinct callsign, including AHF7AC.