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The pilot of a C152 with a new engine was advised to run the engine at high RPM and not lean. As he approached the airport of intended landing; the engine would no longer maintain altitude; resulting in an off field landing.
| Attributes | |
| ACN | 1299334 |
| Time | |
| Date | 201509 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Cessna 152 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Flight Plan | None |
| Component | |
| Aircraft Component | Indicating and Warning - Fuel System |
| Person 1 | |
| Function | Pilot Flying Single Pilot |
| Qualification | Flight Crew Private |
| Experience | Flight Crew Last 90 Days 98 Flight Crew Total 139 Flight Crew Type 124 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural FAR Deviation - Procedural Published Material / Policy Inflight Event / Encounter Fuel Issue |
Narrative:
Hobbs time from start to landing [was] 3.5 hours. Fuel top off at start. I depended on gauges for fuel enroute. Mechanic instructions before flight; 'it's a new engine; keep RPM high and don't lean'.at approximately 3.0 hours hobbs; noticed engine RPM decreasing. Fuel gauge read 8 gallons. Altitude 5;500 MSL. Descended over time to 3;000 MSL where engine seem to make enough power to maintain altitude. I was returning directly to my home airport.called tower advised of situation. Another instructor on [frequency] told me to 'keep full power and enrich mixture'. Go straight to [home airport]. With fuel gauge showing 6 gallons; the instructor told me I had enough fuel to return to [home airport]. I did what I was told. I was losing altitude quickly. I was at 1;500 feet MSL (800 AGL) when the RPM would not support level altitude. I selected an open field for my emergency landing.
Original NASA ASRS Text
Title: The pilot of a C152 with a new engine was advised to run the engine at high RPM and not lean. As he approached the airport of intended landing; the engine would no longer maintain altitude; resulting in an off field landing.
Narrative: Hobbs time from start to landing [was] 3.5 hours. Fuel top off at start. I depended on gauges for fuel enroute. Mechanic instructions before flight; 'It's a new engine; keep RPM high and don't lean'.At approximately 3.0 hours Hobbs; noticed engine RPM decreasing. Fuel gauge read 8 gallons. Altitude 5;500 MSL. Descended over time to 3;000 MSL where engine seem to make enough power to maintain altitude. I was returning directly to my home airport.Called tower advised of situation. Another instructor on [frequency] told me to 'keep full power and enrich mixture'. Go straight to [home airport]. With fuel gauge showing 6 gallons; the instructor told me I had enough fuel to return to [home airport]. I did what I was told. I was losing altitude quickly. I was at 1;500 feet MSL (800 AGL) when the RPM would not support level altitude. I selected an open field for my emergency landing.
Data retrieved from NASA's ASRS site 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.