Aircraft equipment problem. Fuel line routing caused stoppage of fuel flow if the right fuel tank was less than 1/2 full. Engine stopped, forced landing with aircraft damage.

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Attributes
ACN	342511
Time
Date	199607
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : gaf
State Reference	ND
Altitude	agl bound lower : 0 agl bound upper : 500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Experimental
Operating Under FAR Part	Part 91
Flight Phase	climbout : initial
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : instrument pilot : private pilot : atp
Experience	flight time last 90 days : 180 flight time total : 8000 flight time type : 5
ASRS Report	342511
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency none taken : unable
Consequence	other
Supplementary
Primary Problem	Aircraft

Narrative:

On jul/xx/96, at about XA15 uct I was climbing out of grafton airport traffic pattern with a cub type experimental aircraft using runway 17. At about 500 ft AGL the engine quit and during the subsequent landing the gear was collapsed and a left longeron was bent. During the investigation it was found that the routing of the fuel lines caused the fuel flow to stop if fuel in right tank was 1/2 full or less in a climb attitude.

Original NASA ASRS Text

Title: ACFT EQUIP PROB. FUEL LINE ROUTING CAUSED STOPPAGE OF FUEL FLOW IF THE R FUEL TANK WAS LESS THAN 1/2 FULL. ENG STOPPED, FORCED LNDG WITH ACFT DAMAGE.

Narrative: ON JUL/XX/96, AT ABOUT XA15 UCT I WAS CLBING OUT OF GRAFTON ARPT TFC PATTERN WITH A CUB TYPE EXPERIMENTAL ACFT USING RWY 17. AT ABOUT 500 FT AGL THE ENG QUIT AND DURING THE SUBSEQUENT LNDG THE GEAR WAS COLLAPSED AND A L LONGERON WAS BENT. DURING THE INVESTIGATION IT WAS FOUND THAT THE ROUTING OF THE FUEL LINES CAUSED THE FUEL FLOW TO STOP IF FUEL IN R TANK WAS 1/2 FULL OR LESS IN A CLB ATTITUDE.

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.