Maintain manufacturer’s published approach airspeed or in its absence not more than 1.3 times the stalling speed or the minimum steady flight speed in the la…

Private Pilot Airplane ACS › IV. Takeoffs, Landings, and Go-Arounds › B. Normal Approach and Landing

Maintain manufacturer’s published approach airspeed or in its absence not more than 1.3 times the stalling speed or the minimum steady flight speed in the landing configuration (VSO), +10/-5 knots with gust factor applied.