sensors Mode-S transponder

A2FDEA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N292LH · operated by CHRISTIANSEN AVIATION LLC

Hex
A2FDEA
Octal
50576752
Decimal
10,681,834
Country
US
Tail
N292LH
Type
P28A
Broadcasting now · callsign N292LH · 2,325 ft
Flights observed
8
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Current position

A2FDEA is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A2FDEA 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
N292LH - 8 2026-04-13

Recent flights last 8

DateFlightRouteTakeoffLandingDuration
2026-04-13 N292LH - Apr 13, 21:40 UTCApr 13, 22:50 UTC1h 10m
2026-04-13 N292LH - Apr 13, 19:50 UTCApr 13, 20:30 UTC40m
2026-04-13 N292LH - Apr 13, 19:10 UTCApr 13, 20:10 UTC1h 0m
2026-04-13 N292LH - Apr 13, 16:30 UTCApr 13, 17:55 UTC1h 25m
2026-04-13 N292LH - Apr 13, 12:50 UTCApr 13, 14:45 UTC1h 55m
2026-04-13 N292LH - Apr 13, 00:35 UTCApr 13, 02:30 UTC1h 55m
2026-04-12 N292LH SFB → SFB Apr 12, 19:10 UTCApr 12, 20:15 UTC1h 5m
2026-04-12 N292LH - Apr 12, 17:15 UTCApr 12, 17:55 UTC40m

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 N292LH page for operator, model, and routing details .

Mode-S A2FDEA frequently asked

What is Mode-S code A2FDEA?
A2FDEA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N292LH.
Where is Mode-S A2FDEA registered?
Mode-S code A2FDEA 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 A2FDEA broadcasting right now?
Yes. Mode-S A2FDEA is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2FDEA, octal 50576752, decimal 10,681,834.
What flights does A2FDEA operate?
Mode-S A2FDEA has broadcast 1 distinct callsign, including N292LH.