Apparatus

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sensors Mode-S transponder

ABC6F5

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N858VK · CESSNA 172 Skyhawk · operated by CHRISTIANSEN AVIATION LLC

Hex
ABC6F5
Octal
52743365
Decimal
11,257,589
Country
US
Tail
N858VK
Type
C172
No current signal · last broadcast 20h ago
Flights observed
130
Distinct callsigns
1
Country
US
Last broadcast
20h ago

Last known position

Most recent position reported by Mode-S ABC6F5.

Country allocation

The ICAO 24-bit address ABC6F5 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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
AUB147 - 130 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 AUB147 AUO → AUO Jul 13, 16:50 UTCJul 13, 18:05 UTC1h 15m
2026-06-30 AUB147 AUO → AUO Jun 30, 16:30 UTCJun 30, 17:50 UTC1h 20m
2026-06-30 AUB147 - Jun 30, 14:50 UTCJun 30, 15:05 UTC15m
2026-06-30 AUB147 - Jun 30, 12:50 UTCJun 30, 14:10 UTC1h 20m
2026-06-29 AUB147 AUO → AUO Jun 29, 13:00 UTCJun 29, 14:34 UTC1h 35m
2026-06-26 AUB147 AUO → AUO Jun 26, 21:45 UTCJun 26, 22:49 UTC1h 5m
2026-06-26 AUB147 AUO → AUO Jun 26, 12:55 UTCJun 26, 14:19 UTC1h 25m
2026-06-25 AUB147 AUO → AUO Jun 25, 18:34 UTCJun 25, 19:59 UTC1h 25m
2026-06-25 AUB147 AUO → AUO Jun 25, 12:25 UTCJun 25, 13:50 UTC1h 25m
2026-06-24 AUB147 AUO → AUO Jun 24, 19:29 UTCJun 24, 20:09 UTC40m
2026-06-24 AUB147 - Jun 24, 15:54 UTCJun 24, 16:14 UTC20m
2026-06-24 AUB147 - Jun 24, 13:34 UTCJun 24, 14:00 UTC25m
2026-06-24 AUB147 AUO → AUO Jun 24, 11:29 UTCJun 24, 12:30 UTC1h 0m
2026-06-23 AUB147 - Jun 23, 20:59 UTCJun 23, 21:05 UTC5m
2026-06-23 AUB147 - Jun 23, 20:15 UTCJun 23, 20:24 UTC10m
2026-06-23 AUB147 - Jun 23, 17:25 UTCJun 23, 18:10 UTC45m
2026-06-23 AUB147 - Jun 23, 15:30 UTCJun 23, 15:40 UTC10m
2026-06-23 AUB147 AUO → AUO Jun 23, 12:55 UTCJun 23, 13:59 UTC1h 5m
2026-06-23 AUB147 - Jun 23, 02:20 UTCJun 23, 02:34 UTC15m
2026-06-23 AUB147 - Jun 23, 01:00 UTCJun 23, 01:25 UTC25m
2026-06-22 AUB147 - Jun 22, 17:55 UTCJun 22, 18:35 UTC40m
2026-06-22 AUB147 - Jun 22, 16:50 UTCJun 22, 16:54 UTC5m
2026-06-22 AUB147 AUO → AUO Jun 22, 14:34 UTCJun 22, 15:40 UTC1h 5m
2026-06-19 AUB147 AUO → AUO Jun 19, 19:54 UTCJun 19, 21:44 UTC1h 50m
2026-06-17 AUB147 AUO → AUO Jun 17, 12:30 UTCJun 17, 13:50 UTC1h 20m
2026-06-16 AUB147 AUO → AUO Jun 16, 21:20 UTCJun 16, 21:40 UTC20m
2026-06-16 AUB147 AUO → AUO Jun 16, 20:00 UTCJun 16, 20:20 UTC20m
2026-06-16 AUB147 - Jun 16, 15:45 UTCJun 16, 16:10 UTC25m
2026-06-16 AUB147 - Jun 16, 14:39 UTCJun 16, 15:05 UTC25m
2026-06-15 AUB147 - Jun 15, 17:50 UTCJun 15, 18:50 UTC1h 0m
2026-06-15 AUB147 - Jun 15, 16:24 UTCJun 15, 16:45 UTC20m
2026-06-15 AUB147 AUO → AUO Jun 15, 13:45 UTCJun 15, 14:55 UTC1h 10m
2026-06-14 AUB147 AUO → AUO Jun 14, 01:20 UTCJun 14, 04:20 UTC3h 0m
2026-06-12 AUB147 AUO → AUO Jun 12, 20:00 UTCJun 12, 21:50 UTC1h 50m
2026-06-12 AUB147 - Jun 12, 18:45 UTCJun 12, 18:55 UTC10m
2026-06-12 AUB147 - Jun 12, 17:30 UTCJun 12, 17:40 UTC10m
2026-06-12 AUB147 AUO → AUO Jun 12, 12:30 UTCJun 12, 13:35 UTC1h 5m
2026-06-12 AUB147 - Jun 12, 03:35 UTCJun 12, 03:50 UTC15m
2026-06-12 AUB147 - Jun 12, 01:25 UTCJun 12, 02:00 UTC35m
2026-06-11 AUB147 - Jun 11, 21:30 UTCJun 11, 21:50 UTC20m
2026-06-11 AUB147 - Jun 11, 20:10 UTCJun 11, 20:30 UTC20m
2026-06-11 AUB147 - Jun 11, 15:25 UTCJun 11, 15:35 UTC10m
2026-06-11 AUB147 - Jun 11, 14:20 UTCJun 11, 14:30 UTC10m
2026-06-10 AUB147 AUO → AUO Jun 10, 11:45 UTCJun 10, 12:45 UTC1h 0m
2026-06-09 AUB147 AUO → AUO Jun 9, 12:50 UTCJun 9, 14:05 UTC1h 15m
2026-06-09 AUB147 AUO → AUO Jun 9, 01:25 UTCJun 9, 03:15 UTC1h 50m
2026-06-08 AUB147 - Jun 8, 19:45 UTCJun 8, 20:35 UTC50m
2026-06-08 AUB147 - Jun 8, 18:35 UTCJun 8, 18:55 UTC20m
2026-06-08 AUB147 AUO → AUO Jun 8, 16:25 UTCJun 8, 17:15 UTC50m
2026-06-08 AUB147 AUO → AUO Jun 8, 13:55 UTCJun 8, 14:45 UTC50m

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 N858VK page for operator, model, and routing details .

Mode-S ABC6F5 frequently asked

What is Mode-S code ABC6F5?
ABC6F5 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N858VK.
Where is Mode-S ABC6F5 registered?
Mode-S code ABC6F5 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is ABC6F5 broadcasting right now?
No active broadcast right now. Last signal was 20h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABC6F5, octal 52743365, decimal 11,257,589.
What flights does ABC6F5 operate?
Mode-S ABC6F5 has broadcast 1 distinct callsign, including AUB147.