sensors Mode-S transponder

502D7A

ICAO 24-bit transponder address · allocated to Latvia

Currently assigned to YL-ABP · AIRBUS A220-300

Hex
502D7A
Octal
24026572
Decimal
5,254,522
Country
LV
Tail
YL-ABP
Type
BCS3
No current signal · last broadcast 5h ago
Flights observed
449
Distinct callsigns
20
Country
LV
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 502D7A.

Country allocation

The ICAO 24-bit address 502D7A 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 20 distinct

Callsign Airline Flights Last seen
ASL90F - 9 2026-06-10
ASL54C - 7 2026-06-22
ASL422 - 7 2026-06-24
ASL38K - 7 2026-07-03
ASL26G - 7 2026-07-03
ASL18A - 7 2026-06-22
ASL81E - 6 2026-06-29
ASL54D - 6 2026-06-29
ASL49U - 6 2026-06-25
ASL45X Spurling Aviation 6 2026-06-25
ASL423 - 6 2026-06-24
ASL98C - 5 2026-06-10
ASL96U - 5 2026-07-04
ASL90M - 5 2026-07-05
ASL83Z - 5 2026-07-06
ASL60L - 5 2026-07-04
ASL53E - 5 2026-06-26
ASL27D - 5 2026-06-26
BTI8KY - 4 2026-06-17
BTI8BX - 4 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 ASL66A - Jul 14, 20:35 UTCJul 14, 21:45 UTC1h 10m
2026-07-14 ASL98D BEG → EFL Jul 14, 18:10 UTCJul 14, 19:30 UTC1h 20m
2026-07-14 ASL96D ATH → BEG Jul 14, 14:50 UTCJul 14, 16:15 UTC1h 25m
2026-07-14 ASL64R BEG → ATH Jul 14, 12:10 UTCJul 14, 13:20 UTC1h 10m
2026-07-14 ASL63A - Jul 14, 08:45 UTCJul 14, 10:50 UTC2h 5m
2026-07-14 ASL17N - Jul 14, 04:50 UTCJul 14, 07:05 UTC2h 15m
2026-07-13 ASL88B STR → BEG Jul 13, 19:55 UTCJul 13, 21:10 UTC1h 15m
2026-07-13 ASL99K BEG → STR Jul 13, 17:10 UTCJul 13, 18:40 UTC1h 30m
2026-07-13 ASL77N MLA → BEG Jul 13, 13:25 UTCJul 13, 15:10 UTC1h 45m
2026-07-13 ASL83E BEG → MLA Jul 13, 11:00 UTCJul 13, 12:30 UTC1h 30m
2026-07-13 ASL88G ZRH → BEG Jul 13, 08:01 UTCJul 13, 09:25 UTC1h 25m
2026-07-13 ASL82X BEG → ZRH Jul 13, 05:20 UTCJul 13, 06:50 UTC1h 30m
2026-07-13 ASL4041 - Jul 13, 01:45 UTCJul 13, 03:30 UTC1h 45m
2026-07-12 BTI8GC - Jul 12, 19:55 UTCJul 12, 20:45 UTC50m
2026-07-12 BTI8GC - Jul 12, 18:40 UTCJul 12, 19:50 UTC1h 10m
2026-07-12 BTI9AG - Jul 12, 15:20 UTCJul 12, 17:30 UTC2h 10m
2026-07-12 BTI97L - Jul 12, 12:05 UTCJul 12, 14:05 UTC2h 0m
2026-07-12 BTI9RG - Jul 12, 08:55 UTCJul 12, 10:40 UTC1h 45m
2026-07-12 BTI772 TLV → RIX Jul 12, 03:50 UTCJul 12, 07:55 UTC4h 5m
2026-07-11 BTI771 - Jul 11, 22:10 UTCJul 12, 02:15 UTC4h 5m
2026-07-11 BTI15L - Jul 11, 18:55 UTCJul 11, 20:10 UTC1h 15m
2026-07-11 BTI15M - Jul 11, 16:45 UTCJul 11, 17:55 UTC1h 10m
2026-07-11 BTI421 - Jul 11, 12:05 UTCJul 11, 14:10 UTC2h 5m
2026-07-11 BTI420 - Jul 11, 08:55 UTCJul 11, 10:40 UTC1h 45m
2026-07-11 BTI1R2 OSL → RIX Jul 11, 06:25 UTCJul 11, 07:45 UTC1h 20m
2026-07-11 BTI15P - Jul 11, 04:20 UTCJul 11, 05:31 UTC1h 10m
2026-07-10 BTI4UJ - Jul 10, 18:45 UTCJul 10, 20:10 UTC1h 25m
2026-07-10 BTI6UN - Jul 10, 16:35 UTCJul 10, 17:50 UTC1h 15m
2026-07-10 BTI6GB - Jul 10, 13:00 UTCJul 10, 15:35 UTC2h 35m
2026-07-10 BTI9KV - Jul 10, 08:45 UTCJul 10, 11:20 UTC2h 35m
2026-07-10 BTI30Y - Jul 10, 06:10 UTCJul 10, 06:50 UTC40m
2026-07-10 BTI30W RIX → HEL Jul 10, 04:25 UTCJul 10, 05:10 UTC45m
2026-07-10 BTI32M HEL → RIX Jul 10, 02:35 UTCJul 10, 03:25 UTC50m
2026-07-09 BTI32B - Jul 9, 21:15 UTCJul 9, 22:00 UTC45m
2026-07-09 BTI630 - Jul 9, 17:10 UTCJul 9, 19:35 UTC2h 25m
2026-07-09 BTI629 - Jul 9, 13:15 UTCJul 9, 15:35 UTC2h 20m
2026-07-09 BTI65T LGW → RIX Jul 9, 08:50 UTCJul 9, 11:10 UTC2h 20m
2026-07-09 BTI87A - Jul 9, 04:35 UTCJul 9, 07:05 UTC2h 30m
2026-07-09 BTI32M - Jul 9, 02:40 UTCJul 9, 03:25 UTC45m
2026-07-08 BTI32B RIX → HEL Jul 8, 21:25 UTCJul 8, 22:10 UTC45m
2026-07-08 BTI9YF CDG → RIX Jul 8, 17:30 UTCJul 8, 20:00 UTC2h 30m
2026-07-08 BTI84F RIX → CDG Jul 8, 13:55 UTCJul 8, 16:15 UTC2h 20m
2026-07-08 BTI65T LGW → RIX Jul 8, 08:25 UTCJul 8, 10:45 UTC2h 20m
2026-07-08 BTI87A - Jul 8, 04:30 UTCJul 8, 06:50 UTC2h 20m
2026-07-08 BTI3WX - Jul 8, 02:25 UTCJul 8, 03:05 UTC40m
2026-07-07 BTI3U9 RIX → TKU Jul 7, 21:30 UTCJul 7, 22:10 UTC40m
2026-07-07 BTI6UQ MUC → RIX Jul 7, 18:30 UTCJul 7, 20:20 UTC1h 50m
2026-07-07 BTI8BX - Jul 7, 15:30 UTCJul 7, 17:25 UTC1h 55m
2026-07-07 BTI8MT - Jul 7, 12:45 UTCJul 7, 14:30 UTC1h 45m
2026-07-07 BTI3VL - Jul 7, 10:15 UTCJul 7, 11:50 UTC1h 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 YL-ABP page for operator, model, and routing details .

Mode-S 502D7A frequently asked

What is Mode-S code 502D7A?
502D7A is an ICAO 24-bit transponder address. Allocated to Latvia. Assigned to YL-ABP.
Where is Mode-S 502D7A registered?
Mode-S code 502D7A is allocated to Latvia (LV). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 502D7A broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 502D7A, octal 24026572, decimal 5,254,522.
What flights does 502D7A operate?
Mode-S 502D7A has broadcast 20 distinct callsigns, including ASL90F, ASL54C, ASL422, ASL38K, ASL26G.