Apparatus

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sensors Mode-S transponder

A2A858

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N270VA · VANS RV-12 · operated by GRAYS RD AVIATION LLC

Hex
A2A858
Octal
50524130
Decimal
10,659,928
Country
US
Tail
N270VA
Type
RV12
No current signal · last broadcast 8d ago
Flights observed
85
Distinct callsigns
1
Country
US
Last broadcast
8d ago

Last known position

Most recent position reported by Mode-S A2A858.

Country allocation

The ICAO 24-bit address A2A858 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
N270VA - 85 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N270VA - Jul 26, 15:40 UTCJul 26, 16:20 UTC40m
2026-07-25 N270VA - Jul 25, 16:45 UTCJul 25, 17:25 UTC40m
2026-07-21 N270VA - Jul 21, 16:30 UTCJul 21, 17:35 UTC1h 5m
2026-07-19 N270VA - Jul 19, 23:05 UTCJul 19, 23:25 UTC20m
2026-07-19 N270VA - Jul 19, 22:15 UTCJul 19, 22:30 UTC15m
2026-07-19 N270VA - Jul 19, 19:40 UTCJul 19, 20:50 UTC1h 10m
2026-07-19 N270VA - Jul 19, 17:35 UTCJul 19, 17:50 UTC15m
2026-07-16 N270VA - Jul 16, 17:49 UTCJul 16, 18:40 UTC50m
2026-07-15 N270VA - Jul 15, 18:25 UTCJul 15, 19:20 UTC55m
2026-07-12 N270VA - Jul 12, 20:50 UTCJul 12, 21:00 UTC10m
2026-07-12 N270VA - Jul 12, 19:50 UTCJul 12, 20:45 UTC55m
2026-07-12 N270VA - Jul 12, 16:25 UTCJul 12, 17:10 UTC45m
2026-07-12 N270VA - Jul 12, 14:20 UTCJul 12, 14:50 UTC30m
2026-07-11 N270VA - Jul 11, 13:15 UTCJul 11, 14:25 UTC1h 10m
2026-07-11 N270VA - Jul 11, 12:45 UTCJul 11, 13:10 UTC25m
2026-07-05 N270VA - Jul 5, 16:40 UTCJul 5, 17:45 UTC1h 5m
2026-07-03 N270VA - Jul 3, 16:30 UTCJul 3, 17:45 UTC1h 15m
2026-07-03 N270VA - Jul 3, 13:55 UTCJul 3, 15:15 UTC1h 20m
2026-07-02 N270VA - Jul 2, 14:15 UTCJul 2, 16:05 UTC1h 50m
2026-07-01 N270VA - Jul 1, 17:45 UTCJul 1, 19:40 UTC1h 55m
2026-07-01 N270VA - Jul 1, 15:35 UTCJul 1, 16:50 UTC1h 15m
2026-06-30 N270VA - Jun 30, 14:15 UTCJun 30, 14:40 UTC25m
2026-06-29 N270VA - Jun 29, 18:05 UTCJun 29, 19:15 UTC1h 10m
2026-06-29 N270VA - Jun 29, 16:00 UTCJun 29, 16:50 UTC50m
2026-06-26 N270VA - Jun 26, 19:45 UTCJun 26, 20:24 UTC40m
2026-06-26 N270VA - Jun 26, 12:19 UTCJun 26, 13:10 UTC50m
2026-06-24 N270VA - Jun 24, 17:29 UTCJun 24, 18:39 UTC1h 10m
2026-06-21 N270VA - Jun 21, 14:15 UTCJun 21, 14:40 UTC25m
2026-06-21 N270VA - Jun 21, 13:54 UTCJun 21, 14:10 UTC15m
2026-06-20 N270VA - Jun 20, 15:54 UTCJun 20, 16:39 UTC45m
2026-06-20 N270VA - Jun 20, 14:35 UTCJun 20, 15:14 UTC40m
2026-06-20 N270VA - Jun 20, 13:09 UTCJun 20, 13:59 UTC50m
2026-06-17 N270VA - Jun 17, 13:50 UTCJun 17, 15:05 UTC1h 15m
2026-06-15 N270VA - Jun 15, 17:59 UTCJun 15, 18:50 UTC50m
2026-06-14 N270VA - Jun 14, 13:40 UTCJun 14, 14:30 UTC50m
2026-06-14 N270VA - Jun 14, 12:00 UTCJun 14, 12:25 UTC25m
2026-06-13 N270VA - Jun 13, 19:10 UTCJun 13, 19:25 UTC15m
2026-06-13 N270VA - Jun 13, 17:55 UTCJun 13, 18:30 UTC35m
2026-06-13 N270VA - Jun 13, 15:20 UTCJun 13, 16:20 UTC1h 0m
2026-06-13 N270VA - Jun 13, 13:05 UTCJun 13, 14:05 UTC1h 0m
2026-06-11 N270VA - Jun 11, 17:50 UTCJun 11, 19:15 UTC1h 25m
2026-06-07 N270VA - Jun 7, 14:50 UTCJun 7, 15:25 UTC35m
2026-06-06 N270VA - Jun 6, 13:25 UTCJun 6, 14:09 UTC45m
2026-06-05 N270VA - Jun 5, 18:50 UTCJun 5, 19:35 UTC45m
2026-06-05 N270VA - Jun 5, 12:55 UTCJun 5, 13:25 UTC30m
2026-06-04 N270VA - Jun 4, 20:40 UTCJun 4, 22:10 UTC1h 30m
2026-06-03 N270VA - Jun 3, 14:20 UTCJun 3, 15:25 UTC1h 5m
2026-06-02 N270VA - Jun 2, 20:40 UTCJun 2, 21:20 UTC40m
2026-06-02 N270VA - Jun 2, 18:15 UTCJun 2, 18:50 UTC35m
2026-05-31 N270VA - May 31, 21:45 UTCMay 31, 22:20 UTC35m

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 N270VA page for operator, model, and routing details .

Mode-S A2A858 frequently asked

What is Mode-S code A2A858?
A2A858 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N270VA.
Where is Mode-S A2A858 registered?
Mode-S code A2A858 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 A2A858 broadcasting right now?
No active broadcast right now. Last signal was 8d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2A858, octal 50524130, decimal 10,659,928.
What flights does A2A858 operate?
Mode-S A2A858 has broadcast 1 distinct callsign, including N270VA.