sensors Mode-S transponder

485DA3

ICAO 24-bit transponder address · allocated to Netherlands

Currently assigned to PH-KFB · DIAMOND DA-42 Guardian

Hex
485DA3
Octal
22056643
Decimal
4,742,563
Country
NL
Tail
PH-KFB
Type
DA42
No current signal · last broadcast 17h ago
Flights observed
4
Distinct callsigns
3
Country
NL
Last broadcast
17h ago

Last known position

Most recent position reported by Mode-S 485DA3.

Country allocation

The ICAO 24-bit address 485DA3 falls within the block assigned to Netherlands (NL) by ICAO Annex 10, Volume III. Every aircraft registered in Netherlands 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 3 distinct

Callsign Airline Flights Last seen
KLM7915 KLM Royal Dutch Airlines 2 2026-04-13
KLM7926 - 1 2026-04-13
KLM7914 - 1 2026-04-14

Recent flights last 4

DateFlightRouteTakeoffLandingDuration
2026-04-14 KLM7914 - Apr 14, 09:10 UTCApr 14, 11:05 UTC1h 55m
2026-04-13 KLM7926 GRQ → GRQ Apr 13, 13:10 UTCApr 13, 14:20 UTC1h 10m
2026-04-13 KLM7915 BDL → ATL Apr 13, 09:30 UTCApr 13, 11:25 UTC1h 55m
2026-04-13 KLM7915 BDL → ATL Apr 13, 06:10 UTCApr 13, 08:00 UTC1h 50m

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 PH-KFB page for operator, model, and routing details .

Mode-S 485DA3 frequently asked

What is Mode-S code 485DA3?
485DA3 is an ICAO 24-bit transponder address. Allocated to Netherlands. Assigned to PH-KFB.
Where is Mode-S 485DA3 registered?
Mode-S code 485DA3 is allocated to Netherlands (NL). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 485DA3 broadcasting right now?
No active broadcast right now. Last signal was 17h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 485DA3, octal 22056643, decimal 4,742,563.
What flights does 485DA3 operate?
Mode-S 485DA3 has broadcast 3 distinct callsigns, including KLM7915, KLM7926, KLM7914.