What happened
During an ILS approach, the pilot-in-command managed the aircraft's descent by utilizing spoilers to intercept the glideslope. As the airspeed dropped below 200 knots, the crew extended the landing gear at the outer marker. The flight crew retracted the spoilers and transitioned the flaps to a 20-degree setting as the aircraft slowed. During the approach, the aircraft experienced a rightward drift, which the pilot corrected by lowering the flaps to 40 degrees.
Upon reaching the runway, the aircraft experienced a significant float before making a long touchdown. The crew immediately deployed the spoilers, brakes, and full reverse thrust. However, the application of brakes was ineffective because the aircraft was hydroplaning on the runway surface. Following the touchdown, the aircraft exited the runway perimeter, traveling through 200 feet of sod. The momentum carried the aircraft over a 25-foot embankment, across a roadway, and eventually into a ditch where the sequence ended.
Findings
- The aircraft experienced a long touchdown on the runway.
- Hydroplaning prevented the effective use of braking systems.
- The aircraft's path involved crossing an embankment and a road before coming to a rest in a ditch.