Sanford Intensive Air - Non-injury incident

Date: 03/25/2010 2145 CST

Program: Sanford Intensive Air
	1305 W. 18th Street, Box 5039, Sioux Falls, SD 57117

Type: King Air B200
Tail #: N901SH

Weather: Clear. Not a factor

Team: Two Pilots, Flight Nurse, Flight Paramedic. No injuries reported. Patient on board. 

Description: 
	On the take-off roll out of Gregory, SD, a moderate vibration was
	noticed on lift off.  The vibration ceased after 1-2 minutes.  There
	were no other indications of trouble.  As a precaution the pilots had
	Sioux Falls Airport Rescue on stand-by in the event the nose wheel had
	been damaged or was flat.  The aircraft landed in Sioux Falls without
	incident.

Additional Info: 
	Maintenance inspected the nose wheel tire and found that a patch
	weight inside the tire had de-bonded, causing the tire to be out of
	balance and hence the vibration.  The tire has been replaced and the
	aircraft has been placed back in service.

Source: Mike Christianson, Intensive Air Director

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