Qref Pilot Math app for iPhone and iPad

Pilot Math Study Guide for Turbine Airline & Commercial Operations

Written by Master CFIs with over 50 years of combined flight instruction experience, this set of 600+ flashcards allows pilots to review aviation "rules of thumb" formulas which will assist in daily turbine flying and airline interview preparations. Each formula has at least ten practice questions.

Pilots will find formulas to quickly calculate:
* Time in Decimals
* Time-Speed-Distance
* Descent Rates
* Descent Planning (NM, 3° Descent Paths, Non-Precision Approaches/CANPA)
* Visual Descent Points "VDP" (also called Pilot/Planned Descent Points "PDP" to differ from charted VDPs)
* Crossing Restrictions
* Height of Cloud Bases
* Hydroplaning Speed
* Pressure Altitude
* Temperature Conversions
* RVR/SM Conversions
* Alternate Weather (Exemption 3585)
* Ops Spec C055
* High Mins Captain
* Reciprocals
* Bank Angle
* Standard Rate Turn
* Weight Shift
* Weight Standards
* NEW! Climb Gradients
* and all of the formulas repeated in one chapter "Formulas Review"

Version 6.0 offers:
* 67 additional flashcards
* Spaced repetition with 10 levels
* Chapter Statistics
* Card Statistics
* Previous study session continuation
* Study session limits on time or card number
* IOS 11 Compatibility

Please note that for the 1.5% of you, due to Apple requirements, this App is no longer compatible with IOS versions less than 8. Dont update if this is the case for you.