Narrative:

The weather was 1;800 ft overcast; -RA and light winds. After landing on runway xxl upon nosewheel touchdown; the airplane started a drift to the left of the centerline. I was unable to maintain directional control despite full rudder deflection to the right and differential braking. The left turn continued to sharpen as the aircraft slowed. I had no nosewheel steering with the tiller as well. The airplane departed the runway to the left on a high speed taxiway at approximately midfield. At that point; I was applying maximum braking to both wheels to stop the airplane. In addition; the thrust reversers were deployed until I knew the airplane would stop without making contact with anything. The radius of the turn tightened as the airplane slowed. It came to a stop on the high speed taxiway perpendicular to the taxiway centerline about 8 ft prior to the taxiway lights. Because the tail of the airplane was not clear of the hold short bars; tower closed runway xxl until a tug towed the airplane clear. We were towed to the FBO where the passengers disembarked. An inspection of the nosewheel revealed hydraulic fluid on the nose gear assembly and the nosewheel was turned to the left approximately 10 degrees. At no time during the event was there any violent movement on the airplane. The drift was initially so subtle that I wasn't aware the steering had failed until the airplane slowed to around 70 KTS. It could best be described as a gradual left turn that sharpened dramatically as the airplane slowed. Fortunately; the runway was 200 ft wide and the airplane chose a high speed taxiway to depart the runway.

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Original NASA ASRS Text

Title: C750 Captain lost control on landing rollout when the nose wheel steering failed.

Narrative: The weather was 1;800 FT overcast; -RA and light winds. After landing on Runway XXL upon nosewheel touchdown; the airplane started a drift to the left of the centerline. I was unable to maintain directional control despite full rudder deflection to the right and differential braking. The left turn continued to sharpen as the aircraft slowed. I had no nosewheel steering with the tiller as well. The airplane departed the runway to the left on a high speed taxiway at approximately midfield. At that point; I was applying maximum braking to both wheels to stop the airplane. In addition; the thrust reversers were deployed until I knew the airplane would stop without making contact with anything. The radius of the turn tightened as the airplane slowed. It came to a stop on the high speed taxiway perpendicular to the taxiway centerline about 8 FT prior to the taxiway lights. Because the tail of the airplane was not clear of the hold short bars; Tower closed Runway XXL until a tug towed the airplane clear. We were towed to the FBO where the passengers disembarked. An inspection of the nosewheel revealed hydraulic fluid on the nose gear assembly and the nosewheel was turned to the left approximately 10 degrees. At no time during the event was there any violent movement on the airplane. The drift was initially so subtle that I wasn't aware the steering had failed until the airplane slowed to around 70 KTS. It could best be described as a gradual left turn that sharpened dramatically as the airplane slowed. Fortunately; the runway was 200 FT wide and the airplane chose a high speed taxiway to depart the runway.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.