What safety guidance is provided regarding food consumption in the flight deck?

The guidance regarding food consumption in the flight deck emphasizes that crews must eat at separate times. This policy is important for several reasons. Firstly, it helps to maintain operational focus; if crew members are all eating at the same time, it could potentially detract from their ability to monitor the flight's progress and manage any important tasks or emergencies. Additionally, staggering meal times ensures that there is always at least one crew member actively monitoring the aircraft's systems and alerts, which is critical for safety.

The other options do not align with standard practices. For instance, while dietary restrictions or preferences may be considered, there is no blanket rule that specifies only vegetarian options. Frozen food might be acceptable in certain contexts, depending on preparation and storage, and dining utensils are typically allowed, as long as they are used safely and do not pose a hazard.