Too many pilots have died because they attempted instrument flight without a thorough working knowledge of their GPS navigators. Do you need to know all 2000-odd G1000 commands? No, but you need the essentials that apply to any GPS FMS.
Preflight Check Your Gear
What’s in your GPS? Mainly, is it WAAS equipped? WAAS offers many IFR options, including flying GPS approaches at your primary and alternate airports, although one must be non-WAAS. WAAS enables vertical guidance for most of those approaches.
