sensors Mode-S transponder

407E67

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-DKNF · AERO L-159 Albatros 2

Hex
407E67
Octal
20077147
Decimal
4,226,663
Country
GB
Tail
G-DKNF
Type
L159
No current signal · last broadcast 1d ago
Flights observed
1
Distinct callsigns
1
Country
GB
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 407E67.

Country allocation

The ICAO 24-bit address 407E67 falls within the block assigned to United Kingdom (GB) by ICAO Annex 10, Volume III. Every aircraft registered in United Kingdom 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
SAVAGE13 - 1 2026-04-13

Recent flights last 1

DateFlightRouteTakeoffLandingDuration
2026-04-13 SAVAGE13 - Apr 13, 20:25 UTCApr 13, 22:20 UTC1h 55m

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 G-DKNF page for operator, model, and routing details .

Mode-S 407E67 frequently asked

What is Mode-S code 407E67?
407E67 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-DKNF.
Where is Mode-S 407E67 registered?
Mode-S code 407E67 is allocated to United Kingdom (GB). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 407E67 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 407E67, octal 20077147, decimal 4,226,663.
What flights does 407E67 operate?
Mode-S 407E67 has broadcast 1 distinct callsign, including SAVAGE13.