Apparatus

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sensors Mode-S transponder

AD272C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N947AC · operated by BANK OF UTAH TRUSTEE

Hex
AD272C
Octal
53223454
Decimal
11,347,756
Country
US
Tail
N947AC
Type
DH8D
No current signal · last broadcast 13d ago
Flights observed
176
Distinct callsigns
1
Country
US
Last broadcast
13d ago

Last known position

Most recent position reported by Mode-S AD272C.

Country allocation

The ICAO 24-bit address AD272C 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
TKR184 - 160 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 TKR184 - Jul 26, 21:45 UTCJul 26, 22:25 UTC40m
2026-07-26 TKR184 - Jul 26, 20:40 UTCJul 26, 21:15 UTC35m
2026-07-26 TKR184 - Jul 26, 19:15 UTCJul 26, 20:15 UTC1h 0m
2026-07-26 TKR184 - Jul 26, 02:25 UTCJul 26, 03:10 UTC45m
2026-07-26 TKR184 - Jul 26, 01:20 UTCJul 26, 02:05 UTC45m
2026-07-26 TKR184 - Jul 26, 00:00 UTCJul 26, 00:50 UTC50m
2026-07-25 TKR184 - Jul 25, 22:50 UTCJul 25, 23:40 UTC50m
2026-07-25 TKR184 - Jul 25, 01:45 UTCJul 25, 03:25 UTC1h 40m
2026-07-19 TKR184 - Jul 19, 03:05 UTCJul 19, 03:50 UTC45m
2026-07-19 TKR184 - Jul 19, 02:00 UTCJul 19, 02:40 UTC40m
2026-07-19 TKR184 - Jul 19, 00:50 UTCJul 19, 01:25 UTC35m
2026-07-18 TKR184 - Jul 18, 23:30 UTCJul 19, 00:15 UTC45m
2026-07-18 TKR184 - Jul 18, 22:15 UTCJul 18, 23:05 UTC50m
2026-07-18 TKR184 - Jul 18, 21:15 UTCJul 18, 21:50 UTC35m
2026-07-18 TKR184 COE → COE Jul 18, 20:10 UTCJul 18, 20:50 UTC40m
2026-07-18 TKR184 - Jul 18, 19:15 UTCJul 18, 19:55 UTC40m
2026-07-18 TKR184 - Jul 18, 18:15 UTCJul 18, 18:55 UTC40m
2026-07-18 TKR184 - Jul 18, 01:50 UTCJul 18, 02:19 UTC30m
2026-07-18 TKR184 - Jul 18, 00:29 UTCJul 18, 01:05 UTC35m
2026-07-17 TKR184 - Jul 17, 22:29 UTCJul 17, 23:55 UTC1h 25m
2026-07-17 TKR184 - Jul 17, 19:25 UTCJul 17, 21:55 UTC2h 30m
2026-07-17 TKR184 - Jul 17, 04:20 UTCJul 17, 04:29 UTC10m
2026-07-17 TKR184 - Jul 17, 03:39 UTCJul 17, 03:50 UTC10m
2026-07-17 - - Jul 17, 02:34 UTCJul 17, 03:05 UTC30m
2026-07-16 - - Jul 16, 22:25 UTCJul 17, 01:59 UTC3h 35m
2026-07-16 - - Jul 16, 20:25 UTCJul 16, 21:50 UTC1h 25m
2026-07-16 - - Jul 16, 19:20 UTCJul 16, 19:50 UTC30m
2026-07-16 TKR184 - Jul 16, 04:40 UTCJul 16, 05:00 UTC20m
2026-07-16 TKR184 - Jul 16, 03:15 UTCJul 16, 03:40 UTC25m
2026-07-16 TKR184 - Jul 16, 01:40 UTCJul 16, 02:30 UTC50m
2026-07-15 TKR184 - Jul 15, 23:30 UTCJul 16, 00:55 UTC1h 25m
2026-07-12 TKR184 - Jul 12, 21:20 UTCJul 12, 21:35 UTC15m
2026-07-12 TKR184 - Jul 12, 20:05 UTCJul 12, 20:55 UTC50m
2026-07-12 TKR184 - Jul 12, 19:01 UTCJul 12, 19:45 UTC45m
2026-07-12 - - Jul 12, 00:15 UTCJul 12, 00:55 UTC40m
2026-07-11 - - Jul 11, 23:10 UTCJul 11, 23:55 UTC45m
2026-07-11 - - Jul 11, 22:05 UTCJul 11, 22:50 UTC45m
2026-07-11 - - Jul 11, 21:00 UTCJul 11, 21:45 UTC45m
2026-07-11 - - Jul 11, 19:50 UTCJul 11, 20:40 UTC50m
2026-07-11 - - Jul 11, 18:05 UTCJul 11, 19:25 UTC1h 20m
2026-07-11 TKR184 - Jul 11, 00:15 UTCJul 11, 00:45 UTC30m
2026-07-10 TKR184 - Jul 10, 22:15 UTCJul 10, 23:40 UTC1h 25m
2026-07-10 TKR184 - Jul 10, 20:00 UTCJul 10, 21:30 UTC1h 30m
2026-07-10 TKR184 - Jul 10, 18:45 UTCJul 10, 19:30 UTC45m
2026-07-08 TKR184 - Jul 8, 23:35 UTCJul 9, 00:05 UTC30m
2026-07-08 TKR184 - Jul 8, 21:50 UTCJul 8, 23:05 UTC1h 15m
2026-07-08 TKR184 - Jul 8, 19:40 UTCJul 8, 20:30 UTC50m
2026-07-07 TKR184 - Jul 7, 20:20 UTCJul 8, 00:15 UTC3h 55m
2026-07-07 - - Jul 7, 01:20 UTCJul 7, 01:40 UTC20m
2026-07-06 TKR184 - Jul 6, 20:25 UTCJul 6, 20:55 UTC30m

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 N947AC page for operator, model, and routing details .

Mode-S AD272C frequently asked

What is Mode-S code AD272C?
AD272C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N947AC.
Where is Mode-S AD272C registered?
Mode-S code AD272C 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 AD272C broadcasting right now?
No active broadcast right now. Last signal was 13d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD272C, octal 53223454, decimal 11,347,756.
What flights does AD272C operate?
Mode-S AD272C has broadcast 1 distinct callsign, including TKR184.