Which statement is accurate regarding IFR departures from runway 8 at Grant County airport?

The statement that "all of the above are correct" accurately indicates that each of the other statements reflects valid information regarding IFR departures from runway 8 at Grant County Airport.

The first statement about standard weather applying with a minimum climb gradient of 354 feet per nautical mile aligns with the requirements set forth for IFR departures, where maintaining a specific climb gradient is crucial for safe navigation and obstacle clearance.

The second statement regarding the ability to fly a Visual Climb Over Airport (VCOA) when the weather is at least 3800-3 is also true. VCOA procedures are designed to allow aircraft to operate in certain visual conditions while still complying with IFR requirements, particularly when there are obstructions near the airport that need to be avoided during the initial climb.

The mention of a crane as a low, close-in obstacle when departing runway 3 is relevant as well, as it highlights the need to be aware of specific obstacles when departing under IFR conditions. Identifying obstacles and their heights relative to departure paths is critical for ensuring the safety of the flight.

Because each of these statements is accurate and reflects essential procedures and considerations for IFR departures from Grant County Airport, selecting that all are correct captures the completeness and accuracy of the information provided.