Pilot of single engine low wing homebuilt experiences sudden large oil leak which obscures his vision forward. Diverts for landing at a closer airport and runs off end of runway due to excessive airspeed.

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Attributes
ACN	621689
Time
Date	200406
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : q61.airport
State Reference	CA
Altitude	msl bound lower : 2623 msl bound upper : 7000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : tpa.tower
Operator	general aviation : personal
Make Model Name	Amateur (Home) Built
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	descent : approach landing : roll
Route In Use	arrival : vfr
Flight Plan	VFR
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 3 flight time total : 330 flight time type : 100
ASRS Report	621689
Events
Anomaly	aircraft equipment problem : critical excursion : runway other anomaly other anomaly
Independent Detector	other flight crewa
Resolutory Action	flight crew : landed in emergency condition flight crew : diverted to another airport
Consequence	other other
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Aircraft

Narrative:

I experienced a sudden and large oil leak on descent to pvf. This resulted in oil all over windscreen/canopy that severely restr forward and, to lesser extent, side visibility. I am VFR pilot. I diverted to georgetown, using slips to maintain airport environment. I made the runway, but carried too much speed, running off the end of runway, and collapsing nose gear belly, propeller, cowl and wingtip. God forbid, if this ever happened again I would, 1) turn engine off as soon as within gliding distance of airport, to preserve visibility as much as possible, 2) get on best glide airspeed. I did not get on best glide airspeed. Terrain is mountainous with canyon at one end of runway. I was afraid of landing short and wanted to 'hurry' to preserve what visibility I had. Better plan would have been to turn off engine to remove source of oil blowing on canopy.

Original NASA ASRS Text

Title: PLT OF SINGLE ENG LOW WING HOMEBUILT EXPERIENCES SUDDEN LARGE OIL LEAK WHICH OBSCURES HIS VISION FORWARD. DIVERTS FOR LNDG AT A CLOSER ARPT AND RUNS OFF END OF RWY DUE TO EXCESSIVE AIRSPD.

Narrative: I EXPERIENCED A SUDDEN AND LARGE OIL LEAK ON DSCNT TO PVF. THIS RESULTED IN OIL ALL OVER WINDSCREEN/CANOPY THAT SEVERELY RESTR FORWARD AND, TO LESSER EXTENT, SIDE VISIBILITY. I AM VFR PLT. I DIVERTED TO GEORGETOWN, USING SLIPS TO MAINTAIN ARPT ENVIRONMENT. I MADE THE RWY, BUT CARRIED TOO MUCH SPD, RUNNING OFF THE END OF RWY, AND COLLAPSING NOSE GEAR BELLY, PROP, COWL AND WINGTIP. GOD FORBID, IF THIS EVER HAPPENED AGAIN I WOULD, 1) TURN ENG OFF AS SOON AS WITHIN GLIDING DISTANCE OF ARPT, TO PRESERVE VISIBILITY AS MUCH AS POSSIBLE, 2) GET ON BEST GLIDE AIRSPD. I DID NOT GET ON BEST GLIDE AIRSPD. TERRAIN IS MOUNTAINOUS WITH CANYON AT ONE END OF RWY. I WAS AFRAID OF LNDG SHORT AND WANTED TO 'HURRY' TO PRESERVE WHAT VISIBILITY I HAD. BETTER PLAN WOULD HAVE BEEN TO TURN OFF ENG TO REMOVE SOURCE OF OIL BLOWING ON CANOPY.

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.