“Honeywell’s support for the TPE331 turboprop remains king of the hill, scoring 8.5 this year (the highest overall average in both jets and turboprops), up from last year’s top ranking of 8.1 (which was also last year’s highest overall average). This engine also rules most of the other categories readers evaluated.” According to AIN’s Product Support Survey Part 3. To read the full article click here.