> [!info] [FAR 91.205(d)](https://www.ecfr.gov/current/title-14/part-91/section-91.205#p-91.205(d)) **[GRABCARD](https://defineaviation.info/definitions/grabcard/)** **G**enerator/Alternator **R**adios (appropriate for flight) **A**ltimeter (sensitive/adjustable) **B**all **C**lock (second hand sweep or digital) **A**ttitude indicator **R**ate of turn **D**irectional gyro