NOVEMBER 2015

Features

10 How to Shop for LED Lighting
By Jim Cavanagh

18 ADS-B Limitations & Liabilities
As the 2020 mandate looms, some surprising loose ends linger
By Bob Hart

34 4 EXTINCTION LEVEL THREATS
Facing the Future of General Aviation
By Floyd Allen

40 How to Survive an FAA Ramp Check
By Tom Ferguson

Columns

26 Featured Plane – Piper Aztec: A Very Good Twin
By Bill Cox

48 Under the Cowling
Window Care and Maintenance Tips for the Do-it-yourselfer
By Jacqueline Shipe

48 Circle of Flight
“Fun, but Disciplined”
By Tom Machum