<< >> NASA ASRS Report 364340, March 1997

Cpr small transport was parked in the ramp area when a helicopter made approach for parking nearby. Resulting downwash slammed rudder against the stops. Inspection revealed no damage.

Attributes
ACN	364340
Time
Date	199703
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : mkl
State Reference	TN
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : corporate
Make Model Name	Super King Air 200/Huron
Operating Under FAR Part	Part 91
Flight Phase	ground : parked
Flight Plan	None
Aircraft 2
Operator	general aviation : corporate
Make Model Name	Helicopter
Operating Under FAR Part	Part 91
Flight Phase	cruise other ground : parked
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : cfi pilot : commercial pilot : instrument
Experience	flight time last 90 days : 90 flight time total : 11000 flight time type : 800
ASRS Report	364340
Person 2
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Events
Anomaly	conflict : ground critical non adherence : published procedure other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Operational Error Pilot Deviation

Narrative:

Not truly unsafe to personnel. However, my aircraft (KA200) was parked on the ramp at mkl facing south. A helicopter (apache I think) hovered in from the north and came close enough that his downwash slammed the ka rudder against the stops. Conversation with the helicopter captain, he stated that the tower instructed him to park there. 1) helicopter pilots should know not to hover close to fixed wing aircraft. 2) the captain should have advised the tower that he would need to park elsewhere. 3) ATC personnel should know that they should not advise aircraft where to park. That should come from ramp personnel. Visual look at rudder revealed no damage. Flight completed to home base. Further inspection of rudder stops does not indicate any damage.

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Original NASA ASRS Text

Title: CPR SMT WAS PARKED IN THE RAMP AREA WHEN A HELI MADE APCH FOR PARKING NEARBY. RESULTING DOWNWASH SLAMMED RUDDER AGAINST THE STOPS. INSPECTION REVEALED NO DAMAGE.

Narrative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

Data retrieved from NASA's ASRS site as of July 2007 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.