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sensors Mode-S transponder

503CEC

ICAO 24-bit transponder address · allocated to Lithuania

Currently assigned to LY-FTC · TECNAM P-2002 Sierra

Hex
503CEC
Octal
24036354
Decimal
5,258,476
Country
LT
Tail
LY-FTC
Type
SIRA
No current signal · last broadcast 4d ago
Flights observed
141
Distinct callsigns
1
Country
LT
Last broadcast
4d ago

Last known position

Most recent position reported by Mode-S 503CEC.

Country allocation

The ICAO 24-bit address 503CEC falls within the block assigned to Lithuania (LT) by ICAO Annex 10, Volume III. Every aircraft registered in Lithuania 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
LYFTC - 141 2026-07-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-09 LYFTC - Jul 9, 09:50 UTCJul 9, 10:30 UTC40m
2026-07-09 LYFTC - Jul 9, 08:50 UTCJul 9, 09:05 UTC15m
2026-07-09 LYFTC - Jul 9, 07:55 UTCJul 9, 08:15 UTC20m
2026-07-06 LYFTC - Jul 6, 12:05 UTCJul 6, 12:35 UTC30m
2026-07-06 LYFTC - Jul 6, 10:05 UTCJul 6, 10:55 UTC50m
2026-07-06 LYFTC - Jul 6, 08:20 UTCJul 6, 09:25 UTC1h 5m
2026-07-06 LYFTC - Jul 6, 06:20 UTCJul 6, 07:10 UTC50m
2026-07-06 LYFTC - Jul 6, 05:35 UTCJul 6, 05:45 UTC10m
2026-07-05 LYFTC - Jul 5, 18:35 UTCJul 5, 19:35 UTC1h 0m
2026-07-05 LYFTC - Jul 5, 09:45 UTCJul 5, 09:55 UTC10m
2026-07-05 LYFTC - Jul 5, 08:50 UTCJul 5, 09:15 UTC25m
2026-07-03 LYFTC - Jul 3, 07:25 UTCJul 3, 08:15 UTC50m
2026-07-01 LYFTC - Jul 1, 09:40 UTCJul 1, 10:30 UTC50m
2026-07-01 LYFTC - Jul 1, 07:20 UTCJul 1, 08:35 UTC1h 15m
2026-06-29 LYFTC - Jun 29, 18:05 UTCJun 29, 18:44 UTC40m
2026-06-29 LYFTC - Jun 29, 09:54 UTCJun 29, 10:04 UTC10m
2026-06-29 LYFTC - Jun 29, 08:50 UTCJun 29, 09:20 UTC30m
2026-06-28 LYFTC - Jun 28, 07:14 UTCJun 28, 08:00 UTC45m
2026-06-26 LYFTC - Jun 26, 09:55 UTCJun 26, 11:14 UTC1h 20m
2026-06-25 LYFTC - Jun 25, 17:09 UTCJun 25, 17:54 UTC45m
2026-06-25 LYFTC - Jun 25, 11:30 UTCJun 25, 11:59 UTC30m
2026-06-25 LYFTC - Jun 25, 08:30 UTCJun 25, 09:59 UTC1h 30m
2026-06-24 LYFTC - Jun 24, 10:39 UTCJun 24, 11:14 UTC35m
2026-06-24 LYFTC - Jun 24, 08:09 UTCJun 24, 08:35 UTC25m
2026-06-23 LYFTC - Jun 23, 10:04 UTCJun 23, 10:19 UTC15m
2026-06-23 LYFTC - Jun 23, 08:39 UTCJun 23, 09:09 UTC30m
2026-06-23 LYFTC - Jun 23, 07:15 UTCJun 23, 08:00 UTC45m
2026-06-22 LYFTC - Jun 22, 11:00 UTCJun 22, 12:25 UTC1h 25m
2026-06-22 LYFTC - Jun 22, 09:24 UTCJun 22, 10:19 UTC55m
2026-06-19 LYFTC - Jun 19, 08:50 UTCJun 19, 09:44 UTC55m
2026-06-16 LYFTC - Jun 16, 11:35 UTCJun 16, 11:49 UTC15m
2026-06-16 LYFTC - Jun 16, 10:00 UTCJun 16, 10:09 UTC10m
2026-06-16 LYFTC - Jun 16, 08:39 UTCJun 16, 08:55 UTC15m
2026-06-15 LYFTC - Jun 15, 11:30 UTCJun 15, 12:19 UTC50m
2026-06-15 LYFTC - Jun 15, 09:40 UTCJun 15, 10:30 UTC50m
2026-06-15 LYFTC - Jun 15, 08:40 UTCJun 15, 08:54 UTC15m
2026-06-15 LYFTC - Jun 15, 07:10 UTCJun 15, 07:55 UTC45m
2026-06-14 LYFTC - Jun 14, 07:20 UTCJun 14, 08:30 UTC1h 10m
2026-06-13 LYFTC - Jun 13, 09:25 UTCJun 13, 10:00 UTC35m
2026-06-12 LYFTC - Jun 12, 17:50 UTCJun 12, 18:45 UTC55m
2026-06-12 LYFTC - Jun 12, 16:10 UTCJun 12, 16:25 UTC15m
2026-06-12 LYFTC - Jun 12, 14:45 UTCJun 12, 15:20 UTC35m
2026-06-12 LYFTC - Jun 12, 10:45 UTCJun 12, 11:50 UTC1h 5m
2026-06-11 LYFTC - Jun 11, 12:10 UTCJun 11, 13:10 UTC1h 0m
2026-06-11 LYFTC - Jun 11, 10:45 UTCJun 11, 11:15 UTC30m
2026-06-10 LYFTC - Jun 10, 18:00 UTCJun 10, 19:00 UTC1h 0m
2026-06-10 LYFTC - Jun 10, 16:45 UTCJun 10, 17:00 UTC15m
2026-06-10 LYFTC - Jun 10, 15:50 UTCJun 10, 16:00 UTC10m
2026-06-10 LYFTC - Jun 10, 12:15 UTCJun 10, 13:30 UTC1h 15m
2026-06-10 LYFTC - Jun 10, 08:45 UTCJun 10, 09:10 UTC25m

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 LY-FTC page for operator, model, and routing details .

Mode-S 503CEC frequently asked

What is Mode-S code 503CEC?
503CEC is an ICAO 24-bit transponder address. Allocated to Lithuania. Assigned to LY-FTC.
Where is Mode-S 503CEC registered?
Mode-S code 503CEC is allocated to Lithuania (LT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 503CEC broadcasting right now?
No active broadcast right now. Last signal was 4d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 503CEC, octal 24036354, decimal 5,258,476.
What flights does 503CEC operate?
Mode-S 503CEC has broadcast 1 distinct callsign, including LYFTC.