Flight Crew Air Transport Pilot (ATP)
Aircraft Equipment Problem Critical
Flight Crew Landed in Emergency Condition; General Declared Emergency
Aircraft
At FL180 we got a Master Caution light. We also had the Number 1 Rud Iso Vlv caution light [and] the Number 1 Rud Hyd caution light. We pulled out the Emergency Checklist [and] followed the ISO VLV Checklist. We had approximately 8 quarts of Hyd fluid. We declared an emergency and informed the following people of the situation. ATC; Dispatch; Ops; [and] the FA. We made a zero flap landing; turn off the runway and parked the aircraft on the taxiway. The firemen inspected the aircraft and we were towed to the gate. There were [no] injuries and no damage to the aircraft.
DHC8-100 Captain experiences a loss of hydraulic fluid at FL180 and declares an emergency. Flight continues to destination for a no flap landing and is towed to the gate.