Apparatus

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sensors Mode-S transponder

A56726

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N4471N · ROBINSON R-22 Mariner · operated by SPITZER HELICOPTER LLC

Hex
A56726
Octal
51263446
Decimal
10,839,846
Country
US
Tail
N4471N
Type
R22
No current signal · last broadcast 1d ago
Flights observed
93
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A56726.

Country allocation

The ICAO 24-bit address A56726 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
N4471N - 93 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 N4471N - Jul 12, 23:30 UTCJul 13, 00:20 UTC50m
2026-07-12 N4471N - Jul 12, 20:30 UTCJul 12, 22:15 UTC1h 45m
2026-07-12 N4471N - Jul 12, 19:15 UTCJul 12, 19:30 UTC15m
2026-07-12 N4471N - Jul 12, 17:25 UTCJul 12, 17:40 UTC15m
2026-07-11 N4471N - Jul 11, 17:35 UTCJul 11, 18:45 UTC1h 10m
2026-07-11 N4471N - Jul 11, 15:50 UTCJul 11, 16:50 UTC1h 0m
2026-07-10 N4471N - Jul 10, 22:35 UTCJul 10, 23:05 UTC30m
2026-07-10 N4471N - Jul 10, 20:35 UTCJul 10, 21:40 UTC1h 5m
2026-07-10 N4471N - Jul 10, 18:00 UTCJul 10, 19:15 UTC1h 15m
2026-07-09 N4471N - Jul 9, 20:35 UTCJul 9, 22:00 UTC1h 25m
2026-07-09 N4471N - Jul 9, 18:45 UTCJul 9, 19:05 UTC20m
2026-07-09 N4471N - Jul 9, 17:00 UTCJul 9, 17:20 UTC20m
2026-07-06 N4471N - Jul 6, 22:55 UTCJul 7, 00:00 UTC1h 5m
2026-07-06 N4471N - Jul 6, 20:35 UTCJul 6, 21:45 UTC1h 10m
2026-07-06 N4471N SBP → SBP Jul 6, 17:15 UTCJul 6, 17:35 UTC20m
2026-07-06 N4471N SBP → SBP Jul 6, 15:55 UTCJul 6, 16:05 UTC10m
2026-07-06 N4471N - Jul 6, 00:05 UTCJul 6, 01:05 UTC1h 0m
2026-07-05 N4471N - Jul 5, 21:55 UTCJul 5, 23:15 UTC1h 20m
2026-07-05 N4471N SBP → SBP Jul 5, 18:20 UTCJul 5, 19:15 UTC55m
2026-07-05 N4471N SBP → SBP Jul 5, 16:45 UTCJul 5, 16:55 UTC10m
2026-07-04 N4471N - Jul 4, 22:45 UTCJul 4, 23:45 UTC1h 0m
2026-07-04 N4471N - Jul 4, 20:35 UTCJul 4, 21:10 UTC35m
2026-07-04 N4471N - Jul 4, 18:40 UTCJul 4, 19:50 UTC1h 10m
2026-07-03 N4471N - Jul 3, 23:05 UTCJul 4, 00:05 UTC1h 0m
2026-07-03 N4471N - Jul 3, 20:35 UTCJul 3, 22:05 UTC1h 30m
2026-07-03 N4471N - Jul 3, 18:05 UTCJul 3, 19:25 UTC1h 20m
2026-07-03 N4471N - Jul 3, 16:45 UTCJul 3, 17:00 UTC15m
2026-07-03 N4471N - Jul 3, 00:15 UTCJul 3, 01:05 UTC50m
2026-07-02 N4471N - Jul 2, 22:15 UTCJul 2, 23:40 UTC1h 25m
2026-07-02 N4471N - Jul 2, 20:10 UTCJul 2, 20:45 UTC35m
2026-07-02 N4471N - Jul 2, 18:20 UTCJul 2, 19:35 UTC1h 15m
2026-07-02 N4471N SBP → SBP Jul 2, 15:50 UTCJul 2, 16:05 UTC15m
2026-07-01 N4471N SBP → SBP Jul 1, 18:00 UTCJul 1, 18:20 UTC20m
2026-07-01 N4471N SBP → SBP Jul 1, 15:50 UTCJul 1, 16:05 UTC15m
2026-06-30 N4471N - Jun 30, 23:55 UTCJul 1, 00:25 UTC30m
2026-06-30 N4471N - Jun 30, 22:00 UTCJun 30, 23:00 UTC1h 0m
2026-06-30 N4471N - Jun 30, 19:35 UTCJun 30, 20:40 UTC1h 5m
2026-06-29 N4471N SBP → SBP Jun 29, 18:39 UTCJun 29, 19:20 UTC40m
2026-06-27 N4471N SBP → SBP Jun 27, 17:14 UTCJun 27, 17:29 UTC15m
2026-06-26 N4471N SBP → SBP Jun 26, 20:04 UTCJun 26, 21:24 UTC1h 20m
2026-06-26 N4471N SBP → SBP Jun 26, 17:04 UTCJun 26, 17:25 UTC20m
2026-06-25 N4471N - Jun 25, 22:29 UTCJun 25, 23:30 UTC1h 0m
2026-06-25 N4471N SBP → SBP Jun 25, 20:30 UTCJun 25, 21:15 UTC45m
2026-06-25 N4471N - Jun 25, 18:24 UTCJun 25, 19:34 UTC1h 10m
2026-06-24 N4471N - Jun 24, 22:14 UTCJun 24, 23:00 UTC45m
2026-06-24 N4471N - Jun 24, 20:40 UTCJun 24, 21:19 UTC40m
2026-06-24 N4471N SBP → SQA Jun 24, 18:50 UTCJun 24, 19:59 UTC1h 10m
2026-06-24 N4471N - Jun 24, 03:50 UTCJun 24, 05:15 UTC1h 25m
2026-06-23 N4471N - Jun 23, 18:45 UTCJun 23, 20:10 UTC1h 25m
2026-06-23 N4471N SBP → SBP Jun 23, 16:59 UTCJun 23, 17:34 UTC35m

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 N4471N page for operator, model, and routing details .

Mode-S A56726 frequently asked

What is Mode-S code A56726?
A56726 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N4471N.
Where is Mode-S A56726 registered?
Mode-S code A56726 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 A56726 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A56726, octal 51263446, decimal 10,839,846.
What flights does A56726 operate?
Mode-S A56726 has broadcast 1 distinct callsign, including N4471N.