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sensors Mode-S transponder

AC7FA0

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N904SH · BEECH 200 Super King Air · operated by SANFORD MEDICAL CENTER

Hex
AC7FA0
Octal
53077640
Decimal
11,304,864
Country
US
Tail
N904SH
Type
BE20
Broadcasting now · callsign N904SH · 1,350 ft
Flights observed
384
Distinct callsigns
1
Country
US
Last broadcast
Jul 23, 21:50 UTC

Current position

AC7FA0 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AC7FA0 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
N904SH - 384 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-23 N904SH - Jul 23, 21:30 UTCJul 23, 21:50 UTC20m
2026-07-23 N904SH - Jul 23, 20:05 UTCJul 23, 20:20 UTC15m
2026-07-23 N904SH - Jul 23, 02:50 UTCJul 23, 03:10 UTC20m
2026-07-23 N904SH - Jul 23, 00:45 UTCJul 23, 01:20 UTC35m
2026-07-22 N904SH - Jul 22, 18:05 UTCJul 22, 18:15 UTC10m
2026-07-22 N904SH - Jul 22, 16:35 UTCJul 22, 16:55 UTC20m
2026-07-22 N904SH - Jul 22, 03:50 UTCJul 22, 04:30 UTC40m
2026-07-22 N904SH - Jul 22, 00:50 UTCJul 22, 01:35 UTC45m
2026-07-21 N904SH - Jul 21, 09:35 UTCJul 21, 09:45 UTC10m
2026-07-21 N904SH - Jul 21, 06:45 UTCJul 21, 07:20 UTC35m
2026-07-21 N904SH FAR → FAR Jul 21, 03:10 UTCJul 21, 03:30 UTC20m
2026-07-21 N904SH - Jul 21, 00:35 UTCJul 21, 01:45 UTC1h 10m
2026-07-20 N904SH - Jul 20, 21:40 UTCJul 20, 21:50 UTC10m
2026-07-20 N904SH - Jul 20, 19:55 UTCJul 20, 20:10 UTC15m
2026-07-20 N904SH STP → FAR Jul 20, 07:05 UTCJul 20, 08:05 UTC1h 0m
2026-07-20 N904SH - Jul 20, 04:30 UTCJul 20, 05:10 UTC40m
2026-07-20 N904SH - Jul 20, 02:30 UTCJul 20, 02:45 UTC15m
2026-07-20 N904SH STP → FAR Jul 20, 00:30 UTCJul 20, 01:35 UTC1h 5m
2026-07-19 N904SH - Jul 19, 22:20 UTCJul 19, 23:25 UTC1h 5m
2026-07-19 N904SH - Jul 19, 21:15 UTCJul 19, 21:35 UTC20m
2026-07-19 N904SH - Jul 19, 09:50 UTCJul 19, 10:45 UTC55m
2026-07-19 N904SH - Jul 19, 03:50 UTCJul 19, 04:45 UTC55m
2026-07-19 N904SH - Jul 19, 02:00 UTCJul 19, 02:15 UTC15m
2026-07-19 N904SH - Jul 19, 00:20 UTCJul 19, 00:35 UTC15m
2026-07-18 N904SH - Jul 18, 21:45 UTCJul 18, 22:45 UTC1h 0m
2026-07-18 N904SH - Jul 18, 18:55 UTCJul 18, 19:50 UTC55m
2026-07-18 N904SH - Jul 18, 17:45 UTCJul 18, 18:00 UTC15m
2026-07-18 N904SH - Jul 18, 03:20 UTCJul 18, 03:40 UTC20m
2026-07-18 N904SH - Jul 18, 01:15 UTCJul 18, 01:50 UTC35m
2026-07-17 N904SH - Jul 17, 23:45 UTCJul 18, 00:04 UTC20m
2026-07-17 N904SH - Jul 17, 21:20 UTCJul 17, 22:29 UTC1h 10m
2026-07-17 N904SH - Jul 17, 18:55 UTCJul 17, 19:40 UTC45m
2026-07-17 N904SH - Jul 17, 03:30 UTCJul 17, 04:25 UTC55m
2026-07-17 N904SH - Jul 17, 00:40 UTCJul 17, 01:29 UTC50m
2026-07-16 N904SH - Jul 16, 18:40 UTCJul 16, 19:14 UTC35m
2026-07-16 N904SH - Jul 16, 17:05 UTCJul 16, 17:40 UTC35m
2026-07-16 N904SH - Jul 16, 08:55 UTCJul 16, 09:40 UTC45m
2026-07-16 N904SH - Jul 16, 05:30 UTCJul 16, 05:45 UTC15m
2026-07-16 N904SH RST → FAR Jul 16, 03:45 UTCJul 16, 04:50 UTC1h 5m
2026-07-16 N904SH - Jul 16, 01:20 UTCJul 16, 02:20 UTC1h 0m
2026-07-15 N904SH FSD → FAR Jul 15, 22:25 UTCJul 15, 23:20 UTC55m
2026-07-14 N904SH - Jul 14, 12:25 UTCJul 14, 13:15 UTC50m
2026-07-13 N904SH - Jul 13, 11:55 UTCJul 13, 12:45 UTC50m
2026-07-13 N904SH - Jul 13, 09:50 UTCJul 13, 10:35 UTC45m
2026-07-13 N904SH - Jul 13, 07:55 UTCJul 13, 08:35 UTC40m
2026-07-13 N904SH STP → FAR Jul 13, 04:35 UTCJul 13, 05:25 UTC50m
2026-07-13 N904SH - Jul 13, 02:35 UTCJul 13, 03:25 UTC50m
2026-07-12 N904SH - Jul 12, 05:10 UTCJul 12, 05:25 UTC15m
2026-07-12 N904SH - Jul 12, 02:25 UTCJul 12, 02:45 UTC20m
2026-07-12 N904SH - Jul 12, 01:00 UTCJul 12, 01:15 UTC15m

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 N904SH page for operator, model, and routing details .

Mode-S AC7FA0 frequently asked

What is Mode-S code AC7FA0?
AC7FA0 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N904SH.
Where is Mode-S AC7FA0 registered?
Mode-S code AC7FA0 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 AC7FA0 broadcasting right now?
Yes. Mode-S AC7FA0 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC7FA0, octal 53077640, decimal 11,304,864.
What flights does AC7FA0 operate?
Mode-S AC7FA0 has broadcast 1 distinct callsign, including N904SH.