Model Variants (Including Prototypes)
Ka-20 - Initial Model Development and basis for Ka-25 design.
Ka-25 - Production Model Designation
Ka-25T "Hormone-B" - Target Acquisition and Missile Guidance Variant.
Ka-25PS "Hormone-C" - Dedicated Search and Rescue (SAR) Variant; passenger ready.
Ka-25BSh - Primary Anti-Submarine Warfare (ASW) Model.
Ka-25BShZ - Mine Sweeper Tow