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A single engine aerobatic aircraft lost oil pressure. Pilot shut down the engine and landed at the only airport within gliding range; overrunning the end of the runway.
| Attributes | |
| ACN | 708130 |
| Time | |
| Date | 200608 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : zzz.tower |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft Low Wing 1 Eng Fixed Gear |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | descent : approach |
| Flight Plan | None |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot oversight : pic |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 23 flight time total : 862 flight time type : 700 |
| ASRS Report | 708130 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : local |
| Events | |
| Anomaly | aircraft equipment problem : critical excursion : runway other anomaly |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : diverted to another airport flight crew : landed in emergency condition flight crew : declared emergency |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Ambiguous |
Narrative:
After reporting position for landing at ZZZ; pilot noticed loss of oil pressure; zero psi. The engine had 6 hours on it after annual and the pilot; knowing that the engine has a ball and spring to control oil pressure thought that perhaps a metal particle from the rings had lodged between the ball and the seat; which would cause a loss of oil pressure. In an attempt to dislodge such a particle or other obstruction; the pilot rolled inverted; then upright; and pulled and pushed several G's; without first performing a 360 degree turn to clear the area; and within 4 mi from a victor airway. This did not resolve the oil pressure problem and an emergency was called to ZZZ tower. The pilot landed at ZZZ1; but overran the end of the runway due to lack of propeller/engine braking which is normally present on this aircraft.
Original NASA ASRS Text
Title: A SINGLE ENG AEROBATIC ACFT LOST OIL PRESSURE. PLT SHUT DOWN THE ENG AND LANDED AT THE ONLY ARPT WITHIN GLIDING RANGE; OVERRUNNING THE END OF THE RWY.
Narrative: AFTER RPTING POS FOR LNDG AT ZZZ; PLT NOTICED LOSS OF OIL PRESSURE; ZERO PSI. THE ENG HAD 6 HRS ON IT AFTER ANNUAL AND THE PLT; KNOWING THAT THE ENG HAS A BALL AND SPRING TO CTL OIL PRESSURE THOUGHT THAT PERHAPS A METAL PARTICLE FROM THE RINGS HAD LODGED BTWN THE BALL AND THE SEAT; WHICH WOULD CAUSE A LOSS OF OIL PRESSURE. IN AN ATTEMPT TO DISLODGE SUCH A PARTICLE OR OTHER OBSTRUCTION; THE PLT ROLLED INVERTED; THEN UPRIGHT; AND PULLED AND PUSHED SEVERAL G'S; WITHOUT FIRST PERFORMING A 360 DEG TURN TO CLR THE AREA; AND WITHIN 4 MI FROM A VICTOR AIRWAY. THIS DID NOT RESOLVE THE OIL PRESSURE PROB AND AN EMER WAS CALLED TO ZZZ TWR. THE PLT LANDED AT ZZZ1; BUT OVERRAN THE END OF THE RWY DUE TO LACK OF PROP/ENG BRAKING WHICH IS NORMALLY PRESENT ON THIS ACFT.
Data retrieved from NASA's ASRS site as of January 2009 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.