sensors Mode-S transponder

502FAB

ICAO 24-bit transponder address · allocated to Latvia

Currently assigned to 2003

Hex
502FAB
Octal
24027653
Decimal
5,255,083
Country
LV
Tail
2003
Type
FFLO
No current signal · last broadcast May 12, 20:01 UTC
Flights observed
4
Distinct callsigns
2
Country
LV
Last broadcast
May 12, 20:01 UTC

Last known position

Most recent position reported by Mode-S 502FAB.

Country allocation

The ICAO 24-bit address 502FAB falls within the block assigned to Latvia (LV) by ICAO Annex 10, Volume III. Every aircraft registered in Latvia 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 2 distinct

Callsign Airline Flights Last seen
PNC4012 - 3 2026-05-12
PNC4014 - 1 2026-04-27

Recent flights last 4

DateFlightRouteTakeoffLandingDuration
2026-05-12 PNC4012 - May 12, 13:10 UTCMay 12, 20:01 UTC6h 50m
2026-05-11 PNC4012 - May 11, 10:40 UTCMay 11, 17:35 UTC6h 56m
2026-05-10 PNC4012 - May 10, 17:55 UTCMay 10, 18:09 UTC15m
2026-04-27 PNC4014 - Apr 27, 06:25 UTCApr 27, 10:00 UTC3h 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 2003 page for operator, model, and routing details .

Mode-S 502FAB frequently asked

What is Mode-S code 502FAB?
502FAB is an ICAO 24-bit transponder address. Allocated to Latvia. Assigned to 2003.
Where is Mode-S 502FAB registered?
Mode-S code 502FAB is allocated to Latvia (LV). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 502FAB broadcasting right now?
No active broadcast right now. Last signal was May 12, 20:01 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 502FAB, octal 24027653, decimal 5,255,083.
What flights does 502FAB operate?
Mode-S 502FAB has broadcast 2 distinct callsigns, including PNC4012, PNC4014.