What are 'V-speeds' in relation to the Warrior PA-28A?

V-speeds are a set of predetermined airspeeds that are crucial for the safe operation of the Warrior PA-28A and other aircraft. These speeds serve as reference points that help pilots understand the aircraft's performance parameters in various phases of flight.

For example, V1 is the decision speed during takeoff, while V2 is the takeoff safety speed needed to maintain control if an engine fails. Vref is the reference landing speed that aids in a stable approach. These speeds play an essential role in ensuring that the aircraft operates within safe limits during takeoff, flight, and landing phases, thus mitigating the risk of safety hazards associated with inappropriate speed management.

In contrast, the other options focus on equipment, passenger capacity, or landings specifically, which do not encompass the broader definition and importance of V-speeds in ensuring overall aircraft safety and performance during different operational scenarios.