AOPA says it left its dual-fuel Beech Baron behind in Oshkosh so mechanics can trace the source of some stains that were discovered under the left wing while it was on display at AirVenture last week. The Baron is being used as a test bed to compare the performance of General Aviation Modifications Inc.’s (GAMI’s) … Continue reading Stains On AOPA Baron Wing To Be Checked By Mechanic