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C152 pilot with low experience finds engine running rough. With ATC assistance diverts to en route airport as a precaution.
| Attributes | |
| ACN | 442127 |
| Time | |
| Date | 199907 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sba.airport |
| State Reference | CA |
| Altitude | msl single value : 6500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sba.tracon tower : sba.tower |
| Operator | general aviation : personal |
| Make Model Name | Cessna 152 |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other other vortac |
| Flight Phase | cruise : level |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 32 flight time total : 68 flight time type : 64 |
| ASRS Report | 442127 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : provided flight assist controller : issued new clearance flight crew : landed as precaution flight crew : diverted to another airport |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Engine started running rough and I was concerned that it may quit. I advised ATC and they asked if I wished to declare an emergency. I said yes, I want to make a precautionary landing. ATC suggested I apply carburetor heat, which I did. As I began my descent, the engine began to run smoother. ATC asked if the engine was running any better and I said yes, but I still want to make a precautionary landing to have the airplane checked out. As I could not make a safe landing initially, I initiated a go around. After landing, I had a discussion with the local aircraft mechanic, and he said the problem may have been water contamination. Prior to flight, the fuel tanks were topped off and I checked each sump for water -- none was found. I took off from santa barbara after a check of the airplane and continued on to my destination.
Original NASA ASRS Text
Title: C152 PLT WITH LOW EXPERIENCE FINDS ENG RUNNING ROUGH. WITH ATC ASSISTANCE DIVERTS TO ENRTE ARPT AS A PRECAUTION.
Narrative: ENG STARTED RUNNING ROUGH AND I WAS CONCERNED THAT IT MAY QUIT. I ADVISED ATC AND THEY ASKED IF I WISHED TO DECLARE AN EMER. I SAID YES, I WANT TO MAKE A PRECAUTIONARY LNDG. ATC SUGGESTED I APPLY CARB HEAT, WHICH I DID. AS I BEGAN MY DSCNT, THE ENG BEGAN TO RUN SMOOTHER. ATC ASKED IF THE ENG WAS RUNNING ANY BETTER AND I SAID YES, BUT I STILL WANT TO MAKE A PRECAUTIONARY LNDG TO HAVE THE AIRPLANE CHKED OUT. AS I COULD NOT MAKE A SAFE LNDG INITIALLY, I INITIATED A GAR. AFTER LNDG, I HAD A DISCUSSION WITH THE LCL ACFT MECH, AND HE SAID THE PROB MAY HAVE BEEN WATER CONTAMINATION. PRIOR TO FLT, THE FUEL TANKS WERE TOPPED OFF AND I CHKED EACH SUMP FOR WATER -- NONE WAS FOUND. I TOOK OFF FROM SANTA BARBARA AFTER A CHK OF THE AIRPLANE AND CONTINUED ON TO MY DEST.
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.