Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

A41B8D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N364EA · operated by MESA PILOT DEVELOPMENT LLC

Hex
A41B8D
Octal
51015615
Decimal
10,754,957
Country
US
Tail
N364EA
Type
PIAT
No current signal · last broadcast 1d ago
Flights observed
15
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A41B8D.

Country allocation

The ICAO 24-bit address A41B8D 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
N364EA - 15 2026-04-13

Recent flights last 15

DateFlightRouteTakeoffLandingDuration
2026-04-13 N364EA - Apr 13, 20:55 UTCApr 13, 22:45 UTC1h 50m
2026-04-13 N364EA - Apr 13, 19:50 UTCApr 13, 20:20 UTC30m
2026-04-13 N364EA - Apr 13, 18:20 UTCApr 13, 20:10 UTC1h 50m
2026-04-13 N364EA - Apr 13, 16:25 UTCApr 13, 17:25 UTC1h 0m
2026-04-13 N364EA - Apr 13, 13:10 UTCApr 13, 15:40 UTC2h 30m
2026-04-13 N364EA - Apr 13, 12:20 UTCApr 13, 12:35 UTC15m
2026-04-13 N364EA - Apr 13, 11:55 UTCApr 13, 12:35 UTC40m
2026-04-13 N364EA - Apr 13, 11:15 UTCApr 13, 12:15 UTC1h 0m
2026-04-13 N364EA - Apr 13, 08:25 UTCApr 13, 10:20 UTC1h 55m
2026-04-13 N364EA - Apr 13, 05:00 UTCApr 13, 07:30 UTC2h 30m
2026-04-13 N364EA - Apr 13, 04:20 UTCApr 13, 04:30 UTC10m
2026-04-13 N364EA - Apr 13, 03:55 UTCApr 13, 04:30 UTC35m
2026-04-13 N364EA - Apr 13, 02:00 UTCApr 13, 04:15 UTC2h 15m
2026-04-13 N364EA - Apr 13, 00:20 UTCApr 13, 01:30 UTC1h 10m
2026-04-12 N364EA - Apr 12, 23:55 UTCApr 13, 01:30 UTC1h 35m

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 N364EA page for operator, model, and routing details .

Mode-S A41B8D frequently asked

What is Mode-S code A41B8D?
A41B8D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N364EA.
Where is Mode-S A41B8D registered?
Mode-S code A41B8D 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 A41B8D 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 A41B8D, octal 51015615, decimal 10,754,957.
What flights does A41B8D operate?
Mode-S A41B8D has broadcast 1 distinct callsign, including N364EA.