Final answer:
The records that must be kept for VOR checks include the date and time of the check, the results, and the name of the person who performed it, which are essential for air navigation safety and regulatory compliance.
Step-by-step explanation:
The records that must be kept concerning VOR checks include all of the above options listed: the date and time of the VOR check, the results of the VOR check, and the name of the person who performed the VOR check. These guidelines ensure that VORs (VHF Omnidirectional Range) are functioning properly and are reliable for navigation by aircraft. Keeping accurate records of these checks is vital for maintaining safety and compliance with aviation regulations.