NONE · BELL HELICOPTER TEXTRON CANADA 407 · 2012-12-28 · Renton, WA, USA
Event
NTSB number
WPR13TA081
Event ID
20130102X23415
Type
Accident
Date
2012-12-28
Location
Renton, WA, USA
Coordinates
47.489166, -122.209442
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
1
Total aboard
1
Aircraft
Make
BELL HELICOPTER TEXTRON CANADA
Model
407
Registration
N407KS
FAR Part
PUBU
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The pilot's failure to maintain helicopter control during takeoff from an unstable landing platform. Contributing to the accident was the operator's inadequate chocking procedures for the wheeled landing platform, which included chocking only two of the platforms four rear wheels and led to the platform's instability.