Original sentence: A safety pilot can only be used to help "maintain instrument proficiency" with an Instrument rated pilot" by flying the required six instrument approaches-holding-intercepting/tracking courses, within preceeding six calendar months.preparation for a practical test (typically 3 hours within the preceeding 60 days in preparation for a certificate or rating); or
Edited sentence: A safety pilot can only be used to help "maintain instrument proficiency" with an Instrument rated pilot" by flying the required six instrument approaches-holding-intercepting/tracking courses, within preceding six calendar months.preparation for a practical test (typically 3 hours within the preceding 60 days in preparation for a certificate or rating); or