About us

Airplane, Powered Parachute and WSC (Trike) Airworthiness Certification information     

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Rule Aviation Services, Inc.

Pacific Northwest DAR services for Amateur Built, SLSA and ELSA Fixed Wing, Weight shift control(Trikes) and Powered Parachutes .

Providing comprehensive maintenance, annual condition inspections and 100 hour inspections for SLSA and ELSA aircraft by our on staff certified Light Sport Repairman with maintenance rating.

Specializing in factory authorized service and overhaul on Rotax 447, 501, 503, 505, 582, and 912/914 engines.  Only shop in the country to install a new crankshaft in 505 motorglider engines.

For the 912: Re-shimming gearboxes, valve jobs, carb overhaul and all Heavy Maintenance and inspection.

We bore and hone all 2 stroke Cylinders using a Precision cylinder boring machine and honing tank.

We re-sleeve 582 and 503 cylinders at a fraction of the cost of new cylinders. (boring and honing included)

Extensive inventory of genuine Rotax parts.  

We take your old engine and bring it back to Factory new specifications.

     Quality Light Sport Aircraft engine  and aircraft maintenance is our business                

Contact Info:   Hours of operation:  9:00 AM to 5:00 PM  - Monday to Saturday

Owner, Chief Mechanic and DAR:      Clyde Poser

Phone:    253-447-4398

FAX - 253-862-2859

Tech support: tech@rainierultralightengines.com

Webmaster: webmaster@rainierultralightengines.com

Information:  info@rainierultralightengines.com