Apparatus

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sensors Mode-S transponder

0ACB0D

ICAO 24-bit transponder address · allocated to Costa Rica

Currently assigned to HK-5430 · ATR-42-600

Hex
0ACB0D
Octal
02545415
Decimal
707,341
Country
CR
Tail
HK-5430
Type
AT46
No current signal · last broadcast Jul 25, 18:55 UTC
Flights observed
193
Distinct callsigns
20
Country
CR
Last broadcast
Jul 25, 18:55 UTC

Last known position

Most recent position reported by Mode-S 0ACB0D.

Country allocation

The ICAO 24-bit address 0ACB0D falls within the block assigned to Costa Rica (CR) by ICAO Annex 10, Volume III. Every aircraft registered in Costa Rica 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
NSE8724 SATENA 11 2026-07-24
NSE8605 - 10 2026-07-17
NSE8766 - 9 2026-07-18
NSE8767 SATENA 8 2026-07-20
NSE8903 - 7 2026-07-21
NSE8732 - 7 2026-07-19
NSE8902 - 6 2026-07-21
NSE8619 SATENA 6 2026-07-23
NSE8879 - 5 2026-07-24
NSE8742 - 5 2026-05-20
NSE8733 SATENA 5 2026-07-19
NSE8616 SATENA 5 2026-07-23
NSE8743 - 4 2026-07-13
NSE8711 SATENA 4 2026-07-23
NSE8686 - 4 2026-07-10
NSE8658 SATENA 4 2026-07-24
NSE8633 SATENA 4 2026-07-18
NSE8874 - 3 2026-07-17
NSE8776 - 3 2026-07-20
NSE8737 - 3 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 NSE6545 BSC → CLO Jul 25, 18:35 UTCJul 25, 18:55 UTC20m
2026-07-25 NSE6544 CLO → BSC Jul 25, 16:30 UTCJul 25, 16:50 UTC20m
2026-07-25 NSE8754 BOG → FLA Jul 25, 13:05 UTCJul 25, 13:25 UTC20m
2026-07-25 NSE8659 PUU → BOG Jul 25, 02:35 UTCJul 25, 03:10 UTC35m
2026-07-24 NSE8658 BOG → PUU Jul 24, 23:50 UTCJul 25, 00:05 UTC15m
2026-07-24 NSE8726 BUN → BOG Jul 24, 22:35 UTCJul 24, 22:55 UTC20m
2026-07-24 NSE8725 BOG → BUN Jul 24, 20:35 UTCJul 24, 20:55 UTC20m
2026-07-24 NSE8879 - Jul 24, 18:20 UTCJul 24, 19:35 UTC1h 15m
2026-07-24 NSE7716 - Jul 24, 16:45 UTCJul 24, 16:50 UTC5m
2026-07-24 NSE8693 BSC → EOH Jul 24, 15:50 UTCJul 24, 16:00 UTC10m
2026-07-24 NSE8692 EOH → BSC Jul 24, 14:00 UTCJul 24, 14:10 UTC10m
2026-07-24 NSE8724 BOG → UIB Jul 24, 11:30 UTCJul 24, 12:05 UTC35m
2026-07-24 NSE7704 BOG → PUU Jul 24, 00:10 UTCJul 24, 00:35 UTC25m
2026-07-23 NSE8619 EOH → BOG Jul 23, 22:30 UTCJul 23, 23:20 UTC50m
2026-07-23 NSE8616 BOG → EOH Jul 23, 21:20 UTCJul 23, 21:55 UTC35m
2026-07-23 NSE8711 AUC → BOG Jul 23, 19:40 UTCJul 23, 20:10 UTC30m
2026-07-22 NSE8863 - Jul 22, 22:30 UTCJul 22, 22:55 UTC25m
2026-07-22 NSE8714 BOG → AUC Jul 22, 16:15 UTCJul 22, 16:30 UTC15m
2026-07-21 NSE8903 - Jul 21, 22:45 UTCJul 21, 23:00 UTC15m
2026-07-21 NSE8902 - Jul 21, 15:00 UTCJul 21, 15:15 UTC15m
2026-07-21 NSE8711 - Jul 21, 13:35 UTCJul 21, 14:00 UTC25m
2026-07-21 NSE8710 BOG → AUC Jul 21, 11:00 UTCJul 21, 11:15 UTC15m
2026-07-20 NSE8734 - Jul 20, 23:55 UTCJul 21, 00:30 UTC35m
2026-07-20 NSE8680 EOH → UIB Jul 20, 22:45 UTCJul 20, 22:50 UTC5m
2026-07-20 NSE8876 EOH → UIB Jul 20, 20:35 UTCJul 20, 20:45 UTC10m
2026-07-20 NSE8767 BOG → EOH Jul 20, 19:15 UTCJul 20, 20:00 UTC45m
2026-07-20 NSE8777 LQM → BOG Jul 20, 13:50 UTCJul 20, 14:10 UTC20m
2026-07-20 NSE8776 - Jul 20, 10:55 UTCJul 20, 11:15 UTC20m
2026-07-19 NSE8733 PUU → BOG Jul 19, 22:30 UTCJul 19, 22:55 UTC25m
2026-07-19 NSE8732 - Jul 19, 13:55 UTCJul 19, 14:15 UTC20m
2026-07-18 NSE8633 SVI → BOG Jul 18, 21:20 UTCJul 18, 21:50 UTC30m
2026-07-18 NSE8632 BOG → SVI Jul 18, 19:25 UTCJul 18, 19:40 UTC15m
2026-07-18 NSE8737 - Jul 18, 18:00 UTCJul 18, 18:25 UTC25m
2026-07-18 NSE8736 BOG → SJE Jul 18, 16:05 UTCJul 18, 16:25 UTC20m
2026-07-18 NSE8766 - Jul 18, 13:30 UTCJul 18, 14:10 UTC40m
2026-07-18 NSE8724 BOG → UIB Jul 18, 11:05 UTCJul 18, 11:35 UTC30m
2026-07-17 NSE8605 - Jul 17, 21:39 UTCJul 17, 22:25 UTC45m
2026-07-17 NSE8625 SVI → NVA Jul 17, 20:15 UTCJul 17, 20:55 UTC40m
2026-07-17 NSE8624 - Jul 17, 18:00 UTCJul 17, 18:50 UTC50m
2026-07-17 NSE7717 - Jul 17, 17:09 UTCJul 17, 17:15 UTC5m
2026-07-17 NSE8874 - Jul 17, 14:24 UTCJul 17, 14:50 UTC25m
2026-07-16 NSE8903 - Jul 16, 19:30 UTCJul 16, 19:55 UTC25m
2026-07-16 NSE8902 - Jul 16, 17:25 UTCJul 16, 17:45 UTC20m
2026-07-15 NSE8732 - Jul 15, 23:25 UTCJul 15, 23:45 UTC20m
2026-07-15 NSE8737 - Jul 15, 18:20 UTCJul 15, 18:40 UTC20m
2026-07-15 NSE8736 - Jul 15, 16:25 UTCJul 15, 16:40 UTC15m
2026-07-15 NSE8741 - Jul 15, 15:00 UTCJul 15, 15:25 UTC25m
2026-07-15 NSE8740 - Jul 15, 11:50 UTCJul 15, 12:05 UTC15m
2026-07-14 NSE8715 - Jul 14, 23:35 UTCJul 15, 00:00 UTC25m
2026-07-14 NSE8714 - Jul 14, 18:20 UTCJul 14, 18:40 UTC20m

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 HK-5430 page for operator, model, and routing details .

Mode-S 0ACB0D frequently asked

What is Mode-S code 0ACB0D?
0ACB0D is an ICAO 24-bit transponder address. Allocated to Costa Rica. Assigned to HK-5430.
Where is Mode-S 0ACB0D registered?
Mode-S code 0ACB0D is allocated to Costa Rica (CR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0ACB0D broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 18:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0ACB0D, octal 02545415, decimal 707,341.
What flights does 0ACB0D operate?
Mode-S 0ACB0D has broadcast 20 distinct callsigns, including NSE8724, NSE8605, NSE8766, NSE8767, NSE8903.