What does an approved Minimum Equipment List (MEL) for an airplane permit?

A Special Airworthiness Information Bulletin (SAIB) has been issued for your airplane model recommending an inspection of the wing attach fittings due to reports of cracks. Regarding the regulatory status of this bulletin for maintaining airworthiness, which statement is MOST correct?

Refer to the following AFM excerpt regarding inoperative VOR equipment for day VFR operations: VOR receiver may be inoperative provided all of the following are met: • The flight is conducted within controlled airspace, and • Either (1) ATC advises of radar coverage for the route of flight, or (2) the airplane remains within 15 NM of the departure or destination airport, and • Magnetic direction indicator, sensitive altimeter, and clock are operative. The VOR receiver has been deactivated and placarded 'INOP'. The proposed day VFR flight will remain entirely within Class D airspace, no more than 12 NM from the departure airport, with the required instruments operative. No ATC radar coverage has been requested. Under these conditions, may the flight be conducted?

What best describes the airworthiness responsibilities of the owner or operator and the pilot in command?

An airplane's annual inspection was completed and properly logged on June 18 of the current calendar year. Until what date does this inspection remain valid for Part 91 operations?