HMNZS Taupo (F423)

4-cylinder vertical triple expansion reciprocating engines, 5,500 ihp (4,100 kW) 4 × QF 2 pounder MkVII on 1 quad mount MkVII 4 × 20 mm Oerlikon A/A on 2 twin mounts MkV (or 2 × 40 mm Bofors A/A on 2 single mounts Mk.III) up to 8 × 20 mm Oerlikon A/A on single mounts MkIII 2 × Squid triple barreled A/S mortars HMNZS Taupo, originally HMS Loch Shin, was a Loch-class frigate which served in the Royal Navy during the Second World War, and then in the Royal New Zealand Navy (RNZN) from 1948 to 1961.

On Commissioning in October 1944 Loch Shin was allocated for service in the Western Approaches.

At the end of the war and during 1946 she was employed on Operation Deadlight to sink captured German U-Boats.

She was paid off from Royal Navy service in June 1947 and was reduced to reserve status.

She paid off at the end of 1952 and was held in reserve status at Auckland.