Apparatus

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sensors Mode-S transponder

0ACAC0

ICAO 24-bit transponder address · allocated to Costa Rica

Currently assigned to HK-5422 · AIRBUS A-320

Hex
0ACAC0
Octal
02545300
Decimal
707,264
Country
CR
Tail
HK-5422
Type
A320
No current signal · last broadcast Jul 26, 16:30 UTC
Flights observed
379
Distinct callsigns
20
Country
CR
Last broadcast
Jul 26, 16:30 UTC

Last known position

Most recent position reported by Mode-S 0ACAC0.

Country allocation

The ICAO 24-bit address 0ACAC0 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
AVR4849 - 6 2026-07-20
AVR4848 - 6 2026-07-20
AVA045 - 6 2026-07-01
AVA074 - 5 2026-06-15
AVA043 Avianca - Aerovias Nacionales de Colombia, S.A. 5 2026-07-23
AVA042 Avianca - Aerovias Nacionales de Colombia, S.A. 5 2026-07-23
AVA023 Avianca - Aerovias Nacionales de Colombia, S.A. 5 2026-06-12
AVA8576 - 4 2026-07-11
AVA8440 - 4 2026-07-04
AVA8429 - 4 2026-07-19
AVA119 - 4 2026-06-24
AVA061 - 4 2026-06-15
AVA056 Avianca - Aerovias Nacionales de Colombia, S.A. 4 2026-06-15
AVR4811 - 3 2026-07-14
AVA9803 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-04-20
AVA9545 - 3 2026-07-12
AVA9376 Avianca - Aerovias Nacionales de Colombia, S.A. 3 2026-05-11
AVA9269 - 3 2026-07-16
AVA8590 - 3 2026-07-09
AVA8577 - 3 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AVA9402 PSO → BOG Jul 26, 13:30 UTCJul 26, 16:30 UTC3h 0m
2026-07-26 AVA9218 CLO → BOG Jul 26, 11:50 UTCJul 26, 12:05 UTC15m
2026-07-26 AVA8469 BOG → CLO Jul 26, 04:15 UTCJul 26, 04:35 UTC20m
2026-07-26 AVA8401 BOG → CLO Jul 26, 02:10 UTCJul 26, 02:30 UTC20m
2026-07-26 AVA9324 BOG → MDE Jul 26, 00:00 UTCJul 26, 00:15 UTC15m
2026-07-25 AVA127 MIA → BOG Jul 25, 19:10 UTCJul 25, 22:15 UTC3h 5m
2026-07-25 AVA126 BOG → MIA Jul 25, 12:50 UTCJul 25, 16:05 UTC3h 15m
2026-07-25 AVA187 MEX → BOG Jul 25, 07:00 UTCJul 25, 10:45 UTC3h 45m
2026-07-25 AVA186 BOG → MEX Jul 25, 00:50 UTCJul 25, 04:50 UTC4h 0m
2026-07-24 AVA035 MIA → CTG Jul 24, 20:15 UTCJul 24, 23:15 UTC3h 0m
2026-07-24 AVA034 CTG → MIA Jul 24, 16:10 UTCJul 24, 18:55 UTC2h 45m
2026-07-24 AVA9243 MDE → BOG Jul 24, 14:00 UTCJul 24, 14:15 UTC15m
2026-07-24 AVA9267 CTG → MDE Jul 24, 03:45 UTCJul 24, 04:25 UTC40m
2026-07-24 AVA9718 MDE → CTG Jul 24, 02:10 UTCJul 24, 02:50 UTC40m
2026-07-24 AVA9559 CTG → MDE Jul 24, 00:00 UTCJul 24, 00:40 UTC40m
2026-07-23 AVA9386 MDE → CTG Jul 23, 22:05 UTCJul 23, 22:45 UTC40m
2026-07-23 AVA9791 CTG → MDE Jul 23, 19:55 UTCJul 23, 20:35 UTC40m
2026-07-23 AVA9784 MDE → CTG Jul 23, 18:15 UTCJul 23, 18:55 UTC40m
2026-07-23 AVA043 JFK → MDE Jul 23, 11:05 UTCJul 23, 15:50 UTC4h 45m
2026-07-23 AVA042 MDE → JFK Jul 23, 04:05 UTCJul 23, 08:55 UTC4h 50m
2026-07-23 AVA9384 CLO → MDE Jul 23, 01:55 UTCJul 23, 02:05 UTC10m
2026-07-23 AVA9471 MDE → CLO Jul 23, 00:10 UTCJul 23, 00:25 UTC15m
2026-07-22 AVA8437 MDE → BOG Jul 22, 21:40 UTCJul 22, 22:25 UTC45m
2026-07-22 AVA8436 - Jul 22, 19:55 UTCJul 22, 20:35 UTC40m
2026-07-22 AVA9451 SMR → MDE Jul 22, 17:40 UTCJul 22, 18:15 UTC35m
2026-07-22 AVA9446 MDE → SMR Jul 22, 16:05 UTCJul 22, 16:40 UTC35m
2026-07-22 AVA033 - Jul 22, 05:10 UTCJul 22, 13:40 UTC8h 30m
2026-07-22 AVA031 - Jul 22, 00:25 UTCJul 22, 03:10 UTC2h 45m
2026-07-21 AVA004 - Jul 21, 18:50 UTCJul 21, 22:05 UTC3h 15m
2026-07-21 AVA8435 MDE → BOG Jul 21, 16:40 UTCJul 21, 17:00 UTC20m
2026-07-21 AVA9259 SMR → MDE Jul 21, 03:35 UTCJul 21, 04:25 UTC50m
2026-07-21 AVA9506 MDE → SMR Jul 21, 01:35 UTCJul 21, 02:05 UTC30m
2026-07-20 AVA9350 BOG → MDE Jul 20, 22:55 UTCJul 20, 23:05 UTC10m
2026-07-20 AVR4848 - Jul 20, 21:30 UTCJul 20, 21:40 UTC10m
2026-07-20 AVR4849 - Jul 20, 19:40 UTCJul 20, 19:50 UTC10m
2026-07-20 AVA9443 CUC → BOG Jul 20, 11:40 UTCJul 20, 12:05 UTC25m
2026-07-20 AVA8515 BOG → PEI Jul 20, 10:15 UTCJul 20, 10:35 UTC20m
2026-07-20 AVA9843 - Jul 20, 02:05 UTCJul 20, 02:40 UTC35m
2026-07-20 AVA8539 - Jul 20, 00:25 UTCJul 20, 00:50 UTC25m
2026-07-19 AVA8509 BOG → BOG Jul 19, 19:55 UTCJul 19, 22:45 UTC2h 50m
2026-07-19 AVA9411 - Jul 19, 17:45 UTCJul 19, 18:35 UTC50m
2026-07-19 AVA9216 CLO → BOG Jul 19, 15:30 UTCJul 19, 16:15 UTC45m
2026-07-19 AVA8599 - Jul 19, 11:15 UTCJul 19, 14:10 UTC2h 55m
2026-07-19 AVA8429 - Jul 19, 01:40 UTCJul 19, 02:35 UTC55m
2026-07-18 AVA8428 - Jul 18, 23:05 UTCJul 19, 00:00 UTC55m
2026-07-18 AVR4848 - Jul 18, 21:35 UTCJul 18, 21:45 UTC10m
2026-07-18 AVR4849 - Jul 18, 20:05 UTCJul 18, 20:15 UTC10m
2026-07-18 AVA9807 CTG → BOG Jul 18, 16:40 UTCJul 18, 17:45 UTC1h 5m
2026-07-18 AVA9832 BOG → MTR Jul 18, 12:00 UTCJul 18, 13:00 UTC1h 0m
2026-07-18 AVA9653 MDE → BOG Jul 18, 10:25 UTCJul 18, 10:45 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-5422 page for operator, model, and routing details .

Mode-S 0ACAC0 frequently asked

What is Mode-S code 0ACAC0?
0ACAC0 is an ICAO 24-bit transponder address. Allocated to Costa Rica. Assigned to HK-5422.
Where is Mode-S 0ACAC0 registered?
Mode-S code 0ACAC0 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 0ACAC0 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 16:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0ACAC0, octal 02545300, decimal 707,264.
What flights does 0ACAC0 operate?
Mode-S 0ACAC0 has broadcast 20 distinct callsigns, including AVR4849, AVR4848, AVA045, AVA074, AVA043.