Apparatus

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sensors Mode-S transponder

0ACCD9

ICAO 24-bit transponder address · allocated to Costa Rica

Hex
0ACCD9
Octal
02546331
Decimal
707,801
Country
CR
Broadcasting now · callsign NSE8766 · 14,150 ft
Flights observed
141
Distinct callsigns
20
Country
CR
Last broadcast
15d ago

Current position

0ACCD9 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 0ACCD9 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
HK5485X - 9 2026-05-16
NSE8883 SATENA 8 2026-07-19
NSE8619 - 7 2026-07-17
NSE8882 SATENA 5 2026-07-19
NSE8753 - 4 2026-07-06
NSE8752 - 4 2026-07-06
NSE7704 - 4 2026-07-16
NSE8902 - 3 2026-07-15
NSE8817 - 3 2026-07-22
NSE8720 SATENA 3 2026-07-20
NSE8711 - 3 2026-07-18
NSE8710 SATENA 3 2026-07-18
NSE8686 SATENA 3 2026-07-21
NSE8685 - 3 2026-07-21
NSE8616 - 3 2026-07-17
NSE8604 - 3 2026-07-21
NSE6759 SATENA 3 2026-07-26
NSE6758 SATENA 3 2026-07-26
NSE8903 - 2 2026-07-15
NSE8886 - 2 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 NSE8679 UIB → EOH Jul 26, 21:45 UTCJul 26, 21:55 UTC10m
2026-07-26 NSE8676 EOH → UIB Jul 26, 19:50 UTCJul 26, 19:55 UTC5m
2026-07-26 NSE6759 VUP → EOH Jul 26, 18:40 UTCJul 26, 18:55 UTC15m
2026-07-26 NSE6758 EOH → VUP Jul 26, 15:30 UTCJul 26, 15:40 UTC10m
2026-07-26 NSE8661 APO → EOH Jul 26, 14:10 UTCJul 26, 14:15 UTC5m
2026-07-26 NSE8660 EOH → APO Jul 26, 12:20 UTCJul 26, 12:30 UTC10m
2026-07-25 NSE8678 EOH → UIB Jul 25, 19:20 UTCJul 25, 19:25 UTC5m
2026-07-25 NSE8007 APO → EOH Jul 25, 18:00 UTCJul 25, 18:10 UTC10m
2026-07-25 NSE8006 EOH → APO Jul 25, 16:15 UTCJul 25, 16:20 UTC5m
2026-07-25 NSE8661 - Jul 25, 14:55 UTCJul 25, 15:05 UTC10m
2026-07-25 NSE8660 EOH → APO Jul 25, 13:10 UTCJul 25, 13:20 UTC10m
2026-07-25 NSE8602 BOG → EOH Jul 25, 12:00 UTCJul 25, 12:10 UTC10m
2026-07-24 NSE8703 PCR → BOG Jul 24, 23:00 UTCJul 24, 23:20 UTC20m
2026-07-24 NSE8702 BOG → PCR Jul 24, 19:10 UTCJul 24, 19:25 UTC15m
2026-07-23 NSE8715 AUC → BOG Jul 23, 23:45 UTCJul 24, 00:10 UTC25m
2026-07-23 NSE8605 EOH → BOG Jul 23, 18:50 UTCJul 23, 19:35 UTC45m
2026-07-23 NSE6759 - Jul 23, 16:35 UTCJul 23, 16:45 UTC10m
2026-07-23 NSE6752 BAQ → VUP Jul 23, 14:10 UTCJul 23, 14:30 UTC20m
2026-07-22 NSE8816 - Jul 22, 19:10 UTCJul 22, 20:20 UTC1h 10m
2026-07-22 NSE8817 - Jul 22, 17:00 UTCJul 22, 18:15 UTC1h 15m
2026-07-22 NSE6769 - Jul 22, 15:40 UTCJul 22, 16:00 UTC20m
2026-07-22 NSE6768 - Jul 22, 13:55 UTCJul 22, 14:15 UTC20m
2026-07-21 NSE6753 VUP → BAQ Jul 21, 19:45 UTCJul 21, 20:05 UTC20m
2026-07-21 NSE6758 - Jul 21, 17:55 UTCJul 21, 18:05 UTC10m
2026-07-21 NSE6758 - Jul 21, 17:00 UTCJul 21, 17:15 UTC15m
2026-07-21 NSE8604 BOG → EOH Jul 21, 15:35 UTCJul 21, 16:15 UTC40m
2026-07-21 NSE8685 - Jul 21, 14:20 UTCJul 21, 14:30 UTC10m
2026-07-21 NSE8686 BOG → TCO Jul 21, 11:05 UTCJul 21, 11:25 UTC20m
2026-07-21 NSE8721 TCO → BOG Jul 21, 01:20 UTCJul 21, 01:35 UTC15m
2026-07-20 NSE8720 BOG → TCO Jul 20, 22:10 UTCJul 20, 22:25 UTC15m
2026-07-20 NSE8737 SJE → BOG Jul 20, 20:40 UTCJul 20, 21:05 UTC25m
2026-07-20 NSE8736 BOG → SJE Jul 20, 18:45 UTCJul 20, 19:00 UTC15m
2026-07-20 NSE8646 FLA → BOG Jul 20, 01:15 UTCJul 20, 01:30 UTC15m
2026-07-19 NSE8645 - Jul 19, 22:40 UTCJul 19, 23:00 UTC20m
2026-07-19 NSE8883 VVC → BOG Jul 19, 21:20 UTCJul 19, 21:40 UTC20m
2026-07-19 NSE8882 BOG → VVC Jul 19, 11:10 UTCJul 19, 11:25 UTC15m
2026-07-18 NSE8691 CZU → BOG Jul 18, 22:05 UTCJul 18, 22:25 UTC20m
2026-07-18 NSE8691 CZU → BOG Jul 18, 21:10 UTCJul 18, 21:25 UTC15m
2026-07-18 NSE8690 BOG → CZU Jul 18, 20:10 UTCJul 18, 20:20 UTC10m
2026-07-18 NSE8690 BOG → CZU Jul 18, 19:10 UTCJul 18, 19:30 UTC20m
2026-07-18 NSE8711 - Jul 18, 17:40 UTCJul 18, 18:05 UTC25m
2026-07-18 NSE8710 BOG → AUC Jul 18, 10:55 UTCJul 18, 11:10 UTC15m
2026-07-18 NSE8886 - Jul 18, 00:19 UTCJul 18, 00:35 UTC15m
2026-07-17 NSE8619 - Jul 17, 22:29 UTCJul 17, 23:20 UTC50m
2026-07-17 NSE8616 BOG → EOH Jul 17, 21:05 UTCJul 17, 21:44 UTC40m
2026-07-17 NSE8883 - Jul 17, 19:09 UTCJul 17, 19:35 UTC25m
2026-07-16 NSE7704 - Jul 16, 23:49 UTCJul 16, 23:59 UTC10m
2026-07-16 NSE8743 - Jul 16, 22:30 UTCJul 16, 22:49 UTC20m
2026-07-15 NSE8903 - Jul 15, 21:10 UTCJul 15, 21:35 UTC25m
2026-07-15 NSE8902 - Jul 15, 18:45 UTCJul 15, 18:55 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.

Mode-S 0ACCD9 frequently asked

What is Mode-S code 0ACCD9?
0ACCD9 is an ICAO 24-bit transponder address. Allocated to Costa Rica.
Where is Mode-S 0ACCD9 registered?
Mode-S code 0ACCD9 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 0ACCD9 broadcasting right now?
Yes. Mode-S 0ACCD9 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0ACCD9, octal 02546331, decimal 707,801.
What flights does 0ACCD9 operate?
Mode-S 0ACCD9 has broadcast 20 distinct callsigns, including HK5485X, NSE8883, NSE8619, NSE8882, NSE8753.