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Pilot of a piper PA15 65 hp sel small aircraft lost engine oil 25 mi short of destination resulting in making an emergency forced landing at a military base. Postflt inspection revealed that mud daubers had built up mud blockage in the crankcase ventilation tube causing a blowout of the engine front oil seal.
| Attributes | |
| ACN | 416920 |
| Time | |
| Date | 199810 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : vad |
| State Reference | GA |
| Altitude | agl bound lower : 796 agl bound upper : 796 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Piper Single Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other other other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 5 flight time total : 252 flight time type : 185 |
| ASRS Report | 416920 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : declared emergency other other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
I, reporter, was flying my PA15 vagabond to a regional fly-in at thomasville, GA. A sudden oil leak in the engine left me with a quick decision. I was in sight of moody AFB, and made an emergency landing there. The problem arose from mud daubers building mud inside the crankcase ventilation tube, and it blew the front oil seal completely out of the engine. The engine is an o-145b2 65 hp lycoming.
Original NASA ASRS Text
Title: PLT OF A PIPER PA15 65 HP SEL SMA LOST ENG OIL 25 MI SHORT OF DEST RESULTING IN MAKING AN EMER FORCED LNDG AT A MIL BASE. POSTFLT INSPECTION REVEALED THAT MUD DAUBERS HAD BUILT UP MUD BLOCKAGE IN THE CRANKCASE VENTILATION TUBE CAUSING A BLOWOUT OF THE ENG FRONT OIL SEAL.
Narrative: I, RPTR, WAS FLYING MY PA15 VAGABOND TO A REGIONAL FLY-IN AT THOMASVILLE, GA. A SUDDEN OIL LEAK IN THE ENG LEFT ME WITH A QUICK DECISION. I WAS IN SIGHT OF MOODY AFB, AND MADE AN EMER LNDG THERE. THE PROB AROSE FROM MUD DAUBERS BUILDING MUD INSIDE THE CRANKCASE VENTILATION TUBE, AND IT BLEW THE FRONT OIL SEAL COMPLETELY OUT OF THE ENG. THE ENG IS AN O-145B2 65 HP LYCOMING.
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.