September 2010

12 Only Seconds to Spare
By Anthony Nalli

14 What’s Up with WAAS? Third Generation of GPS Makes All the Difference
By Bill Cox

22 Exhaust Maintenance Tip: Muffler Stack Riser Collars
By Jim Cavanagh

24 Cessna 150: the Generic Trainer
By Bill Cox

34 Testing the Garmin Aera 560
By Jim Cavanagh

40 Replacing Cessna 182 Fuel Cells
By Jacqueline Shipe