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Dynamic WT9 UK Dynamic, G-JFDI, 23 May 2009

Air Accidents (AAIB)

Published on 10 December 2014, 22:08

Summary
aircraft category
sport-aviation-and-balloons
aircraft type
Dynamic WT9 UK Dynamic
bulk published
1
date of occurrence
2009-05-23
location
Kimbolton Airstrip, Cambridgeshire
registration
G-JFDI
report type
correspondence-investigation

Report Overview

Dynamic WT9 UK Dynamic, G-JFDI

Summary:

On landing the pilot raised the nose of the aircraft sufficiently for the tail to contact the ground. As a result he was unable to steer the aircraft properly, resulting in it departing the runway and causing the right gear to collapse.

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Dynamic WT9 UK Dynamic, G-JFDI 09-09.pdfDownload (265.86 kb)

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Official Documents

  • Dynamic WT9 UK Dynamic, G-JFDI 09-09.pdf
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Dynamic WT9 UK Dynamic, G-JFDI 09-09.pdf

74 © Crown copyright 2009 AAIB Bulletin: 9/2009 G-JFDI EW/G2009/05/23 ACCIDENT Aircraft Type and Registration: Dynamic WT9 UK Dynamic, G-JFDI No & Type of Engines: 1 Rotax 912-UL piston engine Year of Manufacture: 2007 Date & Time (UTC): 23 May 2009 at 1600 hrs Location: Kimbolton Airstrip, Cambridgeshire Type of Flight: Private Persons on Board: Crew - 1 Passengers - 1 Injuries: Crew - None Passengers - None Nature of Damage: Damage to right flap; right landing gear collapsed Commander’s Licence: National Private Pilot’s Licence Commander’s Age: 59 years Commander’s Flying Experience: 88 hours (of which 45 were on type) Last 90 days - 9 hours Last 28 days - 5 hours Information Source: Aircraft Accident Report Form submitted by the pilot Synopsis On landing the pilot raised the nose of the aircraft sufficiently for the tail to contact the ground. As a result he was unable to steer the aircraft properly, resulting in it departing the runway and causing the right gear to collapse. History of the flight The pilot made an uneventful approach to the landing strip, using three stages of flap. On touchdown he kept the nose of the aircraft high to protect the nosewheel from any ruts or bumps on the grass surface. At a speed of about 20-25 mph the aircraft started to drift to the left which the pilot attempted to correct by applying right rudder, but the pedal was “stiff and incompliant”. The aircraft continued to the left, the left wing tip clipping a rape crop growing adjacent to the strip, swinging it still further to the left. This caused the aircraft to depart the airstrip, collapsing the right landing gear. Cause The pilot stated that he normally landed with only two stages of flap and that he usually operated from a concrete runway. This contributed to him raising the nose more than usual on landing, sufficient for the tail skid to contact the ground. The skid had then dug into the ground allowing the lower part of the rudder to contact the grass. The aircraft has a steerable nosewheel which operates through the rudder pedals, but by restricting the rudder’s movement, as in this case, the pilot’s ability to steer the aircraft was significantly affected.

Change History

  • First published.

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G-JFDI Dynamic WT9 UK Dynamic Kimbolton Airstrip, Cambridgeshire