FAR 91.213 gives pilots a four-question framework to legally determine whether a broken instrument grounds the aircraft or allows flight to proceed.
PatternFAR 91.205 sets the minimum required instruments and equipment for VFR flight, with distinct lists for day and night that carry critical nuances beyond what the mnemonic teaches.
PatternA complete breakdown of FAR 91.205 required VFR equipment - covering every condition in ATOMATOFLAMES and FLAPS that pilots must understand beyond memorization.
PatternA complete breakdown of FAR 91.205 required equipment for VFR flight and the four-step process for handling inoperative instruments.
PatternFAR 91.205 defines the minimum required instruments and equipment for GA aircraft - know which items ground the airplane and which can be legally deferred.
PatternFAR 91.205 and the ATOMATOFLAMES memory aid tell you what equipment your aircraft needs - but the real answer depends on when and how you fly.
PatternFAR 91.205 defines exactly which instruments must work before flight - here's the complete breakdown of ATOMATOFLAMES, FLAPS, GRABCARD, and the 91.213 decision tree.
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