Horizon Avionics: FAA repair station F3OR150X

Certificate number: F3OR150X
Designator: F3OR
Name on the FAA list: HORIZON AVIONICS
Address: 2445 E. GENERAL AVIATION DRIVE, SUI
ALCOA, TN 37701
Accountable manager: FOULDS, JONATHAN M.
(865) 980-7858
Liaison: FOULDS, JONATHAN M.
(865) 385-7297
horizonavionics@yahoo.com
On the FAA list: On the list of October 26, 2026; listed since October 26, 2026 or earlier (OpenAirDocs’ first copy)
Difficulty reports filed: 1

From the FAA’s Find a Facility dashboard. The FAA writes names in capitals; the mixed case here is OpenAirDocs’ . The dashboard has no certificate dates, and nothing on it shows whether a certificate is in good standing: confirm with the station or its FAA office.

On this page

Ratings

What the FAA certificated the station to work on (14 CFR 145.59 and 145.61). A limited rating covers only the makes and models in the station’s operations specifications, which the FAA doesn’t publish.

Rating	Class	What it covers
Airframe	Limited	Only the makes and models in its operations specifications
Radio	Class 1	Communication equipment
	Class 2	Navigational equipment
	Class 3	Radar equipment
Instrument	Limited	Only the makes and models in its operations specifications

Service difficulty reports · 1

Reports the station filed (under its designator F3OR), newest first.

SDR F3OR202006160001Gyro · false indicationINTERMITTENT ATTITUDE FAILURE OF THE KI300 HORIZON INDICATOR. PRIMARY ATTITUDE INDICATOR INTERMITTENTLY AND WITHOUT WARNING INDICATES ERRONEOUS PITCH AND ROLL ATTITUDES AND ALSO, WHEN INTERFACED TO THE AUTOPILOT CAUSES THE AUTOPILOT TO DEVIATE FROM ITS INTENDEMay 26, 2020 · N201AT · Mooney M20J · Attitude Gyro and Indicating System