Apparatus

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sensors Mode-S transponder

0ACA80

ICAO 24-bit transponder address · allocated to Costa Rica

Currently assigned to HK-5399 · ATR-72-600

Hex
0ACA80
Octal
02545200
Decimal
707,200
Country
CR
Tail
HK-5399
Type
AT76
No current signal · last broadcast 5h ago
Flights observed
162
Distinct callsigns
20
Country
CR
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 0ACA80.

Country allocation

The ICAO 24-bit address 0ACA80 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
NSE8882 - 12 2026-07-12
NSE8883 - 11 2026-07-12
NSE8604 - 7 2026-07-07
NSE8753 SATENA 5 2026-05-21
NSE8752 - 5 2026-07-13
NSE8686 - 5 2026-07-09
NSE8903 SATENA 4 2026-05-18
NSE8902 SATENA 4 2026-05-18
NSE8887 - 4 2026-06-18
NSE8720 SATENA 4 2026-06-12
NSE8710 - 4 2026-07-13
NSE8685 SATENA 4 2026-06-13
NSE8605 - 4 2026-07-09
NSE8794 SATENA 3 2026-06-11
NSE8771 - 3 2026-06-18
NSE8770 SATENA 3 2026-06-18
NSE8742 - 3 2026-07-06
NSE8741 - 3 2026-07-07
NSE8740 - 3 2026-07-14
NSE8721 SATENA 3 2026-05-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 NSE8740 - Jul 14, 18:20 UTCJul 14, 18:35 UTC15m
2026-07-14 NSE8701 - Jul 14, 02:40 UTCJul 14, 02:50 UTC10m
2026-07-13 NSE8700 - Jul 13, 23:25 UTCJul 13, 23:45 UTC20m
2026-07-13 NSE8752 - Jul 13, 19:10 UTCJul 13, 19:25 UTC15m
2026-07-13 NSE8719 - Jul 13, 17:35 UTCJul 13, 18:00 UTC25m
2026-07-13 NSE8718 - Jul 13, 15:15 UTCJul 13, 15:30 UTC15m
2026-07-13 NSE8711 - Jul 13, 13:50 UTCJul 13, 14:10 UTC20m
2026-07-13 NSE8710 - Jul 13, 11:10 UTCJul 13, 11:25 UTC15m
2026-07-13 NSE8646 - Jul 13, 01:25 UTCJul 13, 01:50 UTC25m
2026-07-12 NSE8645 - Jul 12, 22:50 UTCJul 12, 23:05 UTC15m
2026-07-12 NSE8883 - Jul 12, 21:25 UTCJul 12, 21:45 UTC20m
2026-07-12 NSE8882 - Jul 12, 11:30 UTCJul 12, 11:45 UTC15m
2026-07-11 NSE8691 - Jul 11, 22:01 UTCJul 11, 22:20 UTC20m
2026-07-11 NSE8690 - Jul 11, 18:50 UTCJul 11, 19:05 UTC15m
2026-07-11 NSE8710 - Jul 11, 11:05 UTCJul 11, 11:20 UTC15m
2026-07-10 NSE8607 EOH → BOG Jul 10, 16:50 UTCJul 10, 17:35 UTC45m
2026-07-10 NSE6761 - Jul 10, 15:10 UTCJul 10, 15:45 UTC35m
2026-07-10 NSE6760 - Jul 10, 13:00 UTCJul 10, 13:40 UTC40m
2026-07-10 NSE8606 BOG → EOH Jul 10, 11:15 UTCJul 10, 11:55 UTC40m
2026-07-10 NSE8647 - Jul 10, 00:35 UTCJul 10, 00:55 UTC20m
2026-07-09 NSE8686 - Jul 9, 20:50 UTCJul 9, 21:05 UTC15m
2026-07-09 NSE8605 EOH → BOG Jul 9, 18:35 UTCJul 9, 19:25 UTC50m
2026-07-09 NSE6759 - Jul 9, 17:05 UTCJul 9, 17:15 UTC10m
2026-07-07 NSE8604 - Jul 7, 15:55 UTCJul 7, 16:15 UTC20m
2026-07-07 NSE8741 - Jul 7, 14:30 UTCJul 7, 14:55 UTC25m
2026-07-06 NSE8743 - Jul 6, 23:25 UTCJul 6, 23:45 UTC20m
2026-07-06 NSE8742 - Jul 6, 20:25 UTCJul 6, 20:50 UTC25m
2026-06-19 NSE8816 - Jun 19, 19:19 UTCJun 19, 19:25 UTC5m
2026-06-19 NSE8817 - Jun 19, 18:30 UTCJun 19, 18:39 UTC10m
2026-06-18 NSE8604 BOG → EOH Jun 18, 15:05 UTCJun 18, 15:45 UTC40m
2026-06-18 NSE8771 - Jun 18, 13:40 UTCJun 18, 14:01 UTC20m
2026-06-18 NSE8770 - Jun 18, 10:55 UTCJun 18, 11:15 UTC20m
2026-06-18 NSE8887 - Jun 18, 01:55 UTCJun 18, 02:15 UTC20m
2026-06-17 NSE8882 - Jun 17, 11:55 UTCJun 17, 12:10 UTC15m
2026-06-15 NSE8605 - Jun 15, 23:39 UTCJun 15, 23:54 UTC15m
2026-06-15 NSE8767 BOG → EOH Jun 15, 19:39 UTCJun 15, 19:55 UTC15m
2026-06-15 NSE8766 EOH → BOG Jun 15, 18:15 UTCJun 15, 18:29 UTC15m
2026-06-13 NSE8685 TCO → BOG Jun 13, 01:35 UTCJun 13, 01:50 UTC15m
2026-06-12 NSE8720 BOG → TCO Jun 12, 18:40 UTCJun 12, 19:00 UTC20m
2026-06-11 NSE8794 UIB → BOG Jun 11, 23:40 UTCJun 11, 23:50 UTC10m
2026-06-11 NSE8734 UIB → BOG Jun 11, 00:00 UTCJun 11, 00:25 UTC25m
2026-06-10 NSE8604 BOG → EOH Jun 10, 15:00 UTCJun 10, 15:15 UTC15m
2026-06-09 NSE8783 - Jun 9, 21:30 UTCJun 9, 21:55 UTC25m
2026-06-04 NSE8604 BOG → EOH Jun 4, 15:10 UTCJun 4, 15:25 UTC15m
2026-06-03 NSE8715 AUC → BOG Jun 3, 23:00 UTCJun 3, 23:20 UTC20m
2026-06-03 NSE8685 TCO → BOG Jun 3, 14:25 UTCJun 3, 15:05 UTC40m
2026-06-03 NSE8686 BOG → TCO Jun 3, 10:55 UTCJun 3, 11:15 UTC20m
2026-06-03 NSE8659 PUU → BOG Jun 3, 02:50 UTCJun 3, 03:10 UTC20m
2026-06-03 NSE7704 BOG → PUU Jun 3, 00:10 UTCJun 3, 00:30 UTC20m
2026-06-02 NSE8883 VVC → BOG Jun 2, 22:25 UTCJun 2, 22:45 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-5399 page for operator, model, and routing details .

Mode-S 0ACA80 frequently asked

What is Mode-S code 0ACA80?
0ACA80 is an ICAO 24-bit transponder address. Allocated to Costa Rica. Assigned to HK-5399.
Where is Mode-S 0ACA80 registered?
Mode-S code 0ACA80 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 0ACA80 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 0ACA80, octal 02545200, decimal 707,200.
What flights does 0ACA80 operate?
Mode-S 0ACA80 has broadcast 20 distinct callsigns, including NSE8882, NSE8883, NSE8604, NSE8753, NSE8752.