Apparatus

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sensors Mode-S transponder

A90197

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N68HK · VANS RV-6 · operated by POMEROY ANDY LEE

Hex
A90197
Octal
52200627
Decimal
11,075,991
Country
US
Tail
N68HK
Type
RV6
No current signal · last broadcast Jul 26, 00:10 UTC
Flights observed
51
Distinct callsigns
1
Country
US
Last broadcast
Jul 26, 00:10 UTC

Last known position

Most recent position reported by Mode-S A90197.

Country allocation

The ICAO 24-bit address A90197 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
N68HK - 51 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 N68HK - Jul 25, 23:35 UTCJul 26, 00:10 UTC35m
2026-07-25 N68HK - Jul 25, 19:00 UTCJul 25, 19:35 UTC35m
2026-07-18 N68HK - Jul 18, 23:25 UTCJul 18, 23:55 UTC30m
2026-07-18 N68HK - Jul 18, 20:10 UTCJul 18, 20:45 UTC35m
2026-07-11 N68HK - Jul 11, 20:05 UTCJul 11, 20:30 UTC25m
2026-07-11 N68HK - Jul 11, 17:40 UTCJul 11, 18:10 UTC30m
2026-07-05 N68HK - Jul 5, 19:55 UTCJul 5, 20:25 UTC30m
2026-07-05 N68HK - Jul 5, 16:00 UTCJul 5, 16:45 UTC45m
2026-07-04 N68HK - Jul 4, 22:00 UTCJul 4, 22:20 UTC20m
2026-07-04 N68HK - Jul 4, 19:30 UTCJul 4, 20:00 UTC30m
2026-06-27 N68HK - Jun 27, 18:54 UTCJun 27, 19:15 UTC20m
2026-06-25 N68HK - Jun 25, 01:30 UTCJun 25, 01:40 UTC10m
2026-06-25 N68HK - Jun 25, 00:09 UTCJun 25, 00:24 UTC15m
2026-06-19 N68HK - Jun 19, 16:39 UTCJun 19, 17:24 UTC45m
2026-06-19 N68HK - Jun 19, 14:54 UTCJun 19, 15:49 UTC55m
2026-06-18 N68HK - Jun 18, 22:00 UTCJun 18, 22:25 UTC25m
2026-06-18 N68HK - Jun 18, 18:55 UTCJun 18, 19:20 UTC25m
2026-06-16 N68HK - Jun 16, 04:55 UTCJun 16, 05:05 UTC10m
2026-06-13 N68HK - Jun 13, 20:25 UTCJun 13, 20:45 UTC20m
2026-06-12 N68HK - Jun 12, 23:40 UTCJun 12, 23:50 UTC10m
2026-06-08 N68HK - Jun 8, 01:45 UTCJun 8, 02:00 UTC15m
2026-05-30 N68HK - May 30, 21:40 UTCMay 30, 22:30 UTC50m
2026-05-30 N68HK - May 30, 19:55 UTCMay 30, 20:25 UTC30m
2026-05-30 N68HK - May 30, 17:45 UTCMay 30, 18:15 UTC30m
2026-05-30 N68HK - May 30, 16:45 UTCMay 30, 17:05 UTC20m
2026-05-25 N68HK - May 25, 20:09 UTCMay 25, 20:30 UTC20m
2026-05-25 N68HK - May 25, 18:20 UTCMay 25, 18:50 UTC30m
2026-05-23 N68HK - May 23, 20:25 UTCMay 23, 20:45 UTC20m
2026-05-23 N68HK - May 23, 18:50 UTCMay 23, 19:05 UTC15m
2026-05-17 N68HK - May 17, 20:20 UTCMay 17, 20:40 UTC20m
2026-05-17 N68HK - May 17, 18:20 UTCMay 17, 18:40 UTC20m
2026-05-09 N68HK - May 9, 20:00 UTCMay 9, 20:10 UTC10m
2026-05-09 N68HK - May 9, 18:05 UTCMay 9, 18:20 UTC15m
2026-05-03 N68HK - May 3, 20:00 UTCMay 3, 20:20 UTC20m
2026-05-02 N68HK - May 2, 19:50 UTCMay 2, 20:20 UTC30m
2026-05-02 N68HK - May 2, 18:05 UTCMay 2, 18:35 UTC30m
2026-05-01 N68HK - May 1, 01:25 UTCMay 1, 01:35 UTC10m
2026-04-30 N68HK - Apr 30, 03:10 UTCApr 30, 03:25 UTC15m
2026-04-26 N68HK - Apr 26, 22:30 UTCApr 26, 22:55 UTC25m
2026-04-26 N68HK - Apr 26, 19:45 UTCApr 26, 20:05 UTC20m
2026-04-25 N68HK - Apr 25, 19:20 UTCApr 25, 19:35 UTC15m
2026-04-25 N68HK - Apr 25, 17:20 UTCApr 25, 17:35 UTC15m
2026-04-19 N68HK - Apr 19, 23:00 UTCApr 19, 23:15 UTC15m
2026-04-19 N68HK - Apr 19, 21:00 UTCApr 19, 21:40 UTC40m
2026-04-19 N68HK - Apr 19, 18:55 UTCApr 19, 19:30 UTC35m
2026-04-18 N68HK - Apr 18, 01:05 UTCApr 18, 01:20 UTC15m
2026-04-17 N68HK - Apr 17, 23:35 UTCApr 17, 23:45 UTC10m
2026-04-17 N68HK - Apr 17, 20:35 UTCApr 17, 21:05 UTC30m
2026-04-17 N68HK - Apr 17, 18:10 UTCApr 17, 18:45 UTC35m
2026-04-17 N68HK - Apr 17, 16:10 UTCApr 17, 16:55 UTC45m

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 N68HK page for operator, model, and routing details .

Mode-S A90197 frequently asked

What is Mode-S code A90197?
A90197 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N68HK.
Where is Mode-S A90197 registered?
Mode-S code A90197 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 A90197 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 00:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A90197, octal 52200627, decimal 11,075,991.
What flights does A90197 operate?
Mode-S A90197 has broadcast 1 distinct callsign, including N68HK.