MD-82
Flight Crew Air Transport Pilot (ATP)
Training / Qualification; Situational Awareness
Aircraft Equipment Problem Critical
Flight Crew FLC complied w / Automation / Advisory; Flight Crew Landed in Emergency Condition; General Declared Emergency
Aircraft
On approach; when First Officer turned hydraulic pumps to HI; left system quantity and pressure went to zero. Accomplished checklist; declared emergency; landed and taxied to gate without incident.
While in descent; hydraulic system [was on] select to HI/ON/CHECKED per descent checklist. Master Caution illuminates and hydraulic low pressure on overhead panel. Left Hydraulic pressure zero and quantity going to zero on left side. Performed checklist and landed.
During descent when a MD-82 Left Hydraulic System was selected to HI/ON/CHECKED; the Master Caution and LEFT HYD LOW PRESS lights illuminated. An emergency was declared; the QRH completed and a normal landing followed.