MasterFlight See Peter King’s website, MasterFlight, for some great posts on IFR flying, Automation and more.
IFR “Know all” handout Great document with a lot of instrument flying information boiled down to a few pages. A must have for anyone working on an instrument rating.
Radio Comm Handout by AOPA
Single Pilot IFR (AOPA Safety Advisor)
IFR Communications: Serious Business – What you say and what you hear on the radio are more than mere words (Plane & Pilot Article)
IFR Radio A lot of great information on IFR communications plus links to much more information.
AC 61-98D Currency Requirements and Guidance for the Flight Review and Instrument Proficiency Check. UPDATED AC, dated 30 Apr 2018. This AC has a lot of new safety information, a MUST READ!
AC_91-74B Pilot Guide: Flight in Icing Conditions
Aircraft Icing Safety Advisor
AC 00-45H w/Change 1 Aviation Weather Services, dated 8 Jan 2018. Includes some important updates
Managing the “Known Icing” Boogeyman Great article from the Society of Aviation and Flight Educators (S.A.F.E.)
RNAV (GPS) Approaches FAA document that explains the basics of various GPS approaches