sensors Mode-S transponder

A95556

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N700J · AGUSTA AW-139 · operated by JOHNSON & JOHNSON FINANCE CORP

Hex
A95556
Octal
52252526
Decimal
11,097,430
Country
US
Tail
N700J
Type
A139
No current signal · last broadcast 1d ago
Flights observed
2
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A95556.

Country allocation

The ICAO 24-bit address A95556 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
N700J - 2 2026-04-13

Recent flights last 2

DateFlightRouteTakeoffLandingDuration
2026-04-13 N700J - Apr 13, 22:30 UTCApr 13, 22:55 UTC25m
2026-04-13 N700J PCT → TSS Apr 13, 21:35 UTCApr 13, 22:25 UTC50m

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 N700J page for operator, model, and routing details .

Mode-S A95556 frequently asked

What is Mode-S code A95556?
A95556 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N700J.
Where is Mode-S A95556 registered?
Mode-S code A95556 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 A95556 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 A95556, octal 52252526, decimal 11,097,430.
What flights does A95556 operate?
Mode-S A95556 has broadcast 1 distinct callsign, including N700J.