Apparatus

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sensors Mode-S transponder

0ACAED

ICAO 24-bit transponder address · allocated to Costa Rica

Currently assigned to HK-5007G · CESSNA 172 Skyhawk

Hex
0ACAED
Octal
02545355
Decimal
707,309
Country
CR
Tail
HK-5007G
Type
C172
No current signal · last broadcast 6d ago
Flights observed
34
Distinct callsigns
1
Country
CR
Last broadcast
6d ago

Last known position

Most recent position reported by Mode-S 0ACAED.

Country allocation

The ICAO 24-bit address 0ACAED 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 1 distinct

Callsign Airline Flights Last seen
HK5007G - 34 2026-07-26

Recent flights last 34

DateFlightRouteTakeoffLandingDuration
2026-07-26 HK5007G - Jul 26, 18:05 UTCJul 26, 19:00 UTC55m
2026-07-26 HK5007G - Jul 26, 12:50 UTCJul 26, 13:40 UTC50m
2026-07-25 HK5007G - Jul 25, 17:15 UTCJul 25, 19:05 UTC1h 50m
2026-07-25 HK5007G - Jul 25, 12:40 UTCJul 25, 12:45 UTC5m
2026-07-22 HK5007G - Jul 22, 23:30 UTCJul 23, 01:00 UTC1h 30m
2026-07-21 HK5007G AXM → AXM Jul 21, 22:35 UTCJul 22, 00:45 UTC2h 10m
2026-07-21 HK5007G - Jul 21, 19:00 UTCJul 21, 19:20 UTC20m
2026-07-21 HK5007G - Jul 21, 15:25 UTCJul 21, 15:40 UTC15m
2026-07-17 HK5007G - Jul 17, 17:09 UTCJul 17, 17:20 UTC10m
2026-07-17 HK5007G - Jul 17, 12:25 UTCJul 17, 12:40 UTC15m
2026-07-10 HK5007G - Jul 10, 16:00 UTCJul 10, 16:10 UTC10m
2026-07-10 HK5007G - Jul 10, 14:55 UTCJul 10, 15:15 UTC20m
2026-07-10 HK5007G - Jul 10, 13:15 UTCJul 10, 13:25 UTC10m
2026-07-10 HK5007G - Jul 10, 12:10 UTCJul 10, 12:25 UTC15m
2026-07-09 HK5007G - Jul 9, 14:35 UTCJul 9, 14:45 UTC10m
2026-07-09 HK5007G - Jul 9, 12:15 UTCJul 9, 12:30 UTC15m
2026-06-20 HK5007G - Jun 20, 17:54 UTCJun 20, 18:10 UTC15m
2026-06-20 HK5007G - Jun 20, 13:34 UTCJun 20, 13:39 UTC5m
2026-06-19 HK5007G - Jun 19, 19:39 UTCJun 19, 19:49 UTC10m
2026-06-19 HK5007G - Jun 19, 18:20 UTCJun 19, 18:30 UTC10m
2026-06-19 HK5007G - Jun 19, 16:34 UTCJun 19, 16:39 UTC5m
2026-06-19 HK5007G - Jun 19, 15:19 UTCJun 19, 15:29 UTC10m
2026-06-19 HK5007G - Jun 19, 13:44 UTCJun 19, 13:54 UTC10m
2026-06-19 HK5007G - Jun 19, 12:29 UTCJun 19, 12:39 UTC10m
2026-06-18 HK5007G - Jun 18, 19:50 UTCJun 18, 20:00 UTC10m
2026-06-18 HK5007G - Jun 18, 18:20 UTCJun 18, 18:35 UTC15m
2026-06-18 HK5007G - Jun 18, 17:15 UTCJun 18, 17:21 UTC6m
2026-06-18 HK5007G - Jun 18, 12:05 UTCJun 18, 12:15 UTC10m
2026-06-17 HK5007G - Jun 17, 20:55 UTCJun 17, 21:05 UTC10m
2026-06-17 HK5007G - Jun 17, 17:25 UTCJun 17, 17:30 UTC5m
2026-06-17 HK5007G - Jun 17, 15:46 UTCJun 17, 16:00 UTC15m
2026-06-17 HK5007G - Jun 17, 12:25 UTCJun 17, 12:35 UTC10m
2026-06-16 HK5007G - Jun 16, 20:25 UTCJun 16, 20:40 UTC15m
2026-06-16 HK5007G - Jun 16, 15:00 UTCJun 16, 15:09 UTC10m

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-5007G page for operator, model, and routing details .

Mode-S 0ACAED frequently asked

What is Mode-S code 0ACAED?
0ACAED is an ICAO 24-bit transponder address. Allocated to Costa Rica. Assigned to HK-5007G.
Where is Mode-S 0ACAED registered?
Mode-S code 0ACAED 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 0ACAED broadcasting right now?
No active broadcast right now. Last signal was 6d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0ACAED, octal 02545355, decimal 707,309.
What flights does 0ACAED operate?
Mode-S 0ACAED has broadcast 1 distinct callsign, including HK5007G.