Beech 1900
Flight Crew Air Transport Pilot (ATP)
Aircraft Equipment Problem Critical
Flight Crew Executed Go Around / Missed Approach; Flight Crew Overcame Equipment Problem; General Declared Emergency; General Maintenance Action
Aircraft; Procedure
Upon selecting gear down on final approach the NOSE and left-hand illuminated (the right-hand failed to illuminate) and the landing gear motor continued to run. The gear motor timer tripped the Landing Gear Circuit Breaker Relay. The landing gear in transit light extinguished. We went around and held at the VOR to run the failure of the landing gear to Extend Normally Abnormal Checklist. The landing gear handle was left in the down position. Steps one through three passed and showed no abnormalities. Step four a. and b. failed. We determined we were in condition 2 per the flow chart on the checklist. During this time; the First Officer was pilot flying and I was completing all pilot not flying duties: speaking with Operations; passengers and CTAF. We declared an emergency through Operations and also began coordinating with the ARFF through CTAF. We determined the gear to be unsafe and continued on to the Landing Gear Manual Extension Checklist. After about five pumps the right-hand illuminated. I finished the checklist and conferred with Dispatch/Maintenance Control through Operations. We determined the gear to now be safe. We coordinated with ARFF and commenced landing. Previously; Dispatch and I determined the aircraft safe to taxi to the gate. We landed the aircraft and brought it to a stop on the runway to determine if anything out of the ordinary occurred. It did not; so I taxied the plane off the runway to the terminal; coordinating with ARFF all the while. With all three green illuminated and all tests passed; I told our passengers to expect a normal landing. This was a repeat write up; written up and signed off just two days prior to today.
BE1900 Captain describes an unsafe gear indication during approach resulting in a go around. Manual pumping results in a safe gear indication and a normal landing ensues. The aircraft had a history of unsafe gear indications.