HS 125 Series 700
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 139; Flight Crew Total 10896; Flight Crew Type 1162
Workload; Situational Awareness; Time Pressure; Troubleshooting
Aircraft Equipment Problem Critical; Deviation / Discrepancy - Procedural Published Material / Policy; Ground Excursion Runway; Inflight Event / Encounter Loss Of Aircraft Control
Flight Crew Took Evasive Action; General Evacuated
Aircraft
Exit the hold for the ILS RWY XY circle to land RWY XX. At 1700 FT MSL the PF started his circle to runway XX; at that time I retarded the left engine power lever to simulate a single engine landing. On the downwind leg flaps where set at 10 and the landing gear was down; air speed was about REF and 25. As we turned base the PF called for flaps 25 and I completed the before landing checklist. As we turned final the aircraft was a little high and still VREF +about 20; I suggest flaps to 45 to help to slow our air speed and get us down; the PF agreed so I selected flaps 45 and watch as the went into position; I saw the airspeed start to decrease; we were still a little high but the Hawker with one engine at idle; full flaps and the power on the good engine being decreased for landing will normally bleed off excess speed very fast. At that time I felt that we could still touchdown on the first third of the runway. As we got closer to the touchdown point the aircraft began to float and the pilot flying decided to get the plane on the ground. I believe we started floating around the intersection of taxiway C and runway XX. When we touchdown we encountered a severe nose wheel shimmy or shaking at that time I put full nose forward pressure on the yolk. The pilot flying said he was having a hard time with rudder control and the brakes. I tried to help by applying brakes on my side of the aircraft; with no change in deceleration I applied the emergency brake handle. It did help and we began to decelerate but we were running out of runway so the Pilot flying turned the aircraft to the left to avoid the runway end lights. The aircraft came to rest about 200 FT off the end of the runway in the grass. I let the tower know everyone was ok; ran the after landing checklist; shutdown checklist (just by habit). I then phone our operations hotlines to let them know what happen. As we waited for support we installed the gear pins.
A Hawker 700 landed with a simulated engine out and did not respond to normal braking. The aircraft did respond to emergency brakes; but ran off the runway's end where the aircraft was shut down and exited.