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Flight crew of small aircraft single engine land aircraft were unable to climb to assigned altitude due to a partial power loss resulting in diverting to land.
| Attributes | |
| ACN | 239135 |
| Time | |
| Date | 199304 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : prb airport : sbp |
| State Reference | CA |
| Altitude | msl bound lower : 4000 msl bound upper : 8000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : iah |
| Operator | general aviation : instructional |
| Make Model Name | Small Aircraft, High Wing, 1 Eng, Fixed Gear |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute airway : zoa |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | instruction : instructor |
| Qualification | pilot : cfi pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 120 flight time total : 1750 flight time type : 300 |
| ASRS Report | 239135 |
| Person 2 | |
| Affiliation | Other |
| Function | instruction : trainee |
| Qualification | pilot : private |
| Events | |
| Anomaly | aircraft equipment problem : critical altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
On an IFR flight plan in VMC we were climbing out of sbp to 8000 ft. At 4000 ft we began to experience a loss of power and a rough running engine. While we were attempting to troubleshoot the problem, ZOA noticed our lack of climb performance and advised us he needed us at 8000 ft in 1 min. We advised center this would not be possible and we were vectored around traffic. We then diverted to prb and advised center of our intentions. While en route to prb we lost 700 ft of altitude. Landed prb without incident. If a similar minor mechanical fault occurs again, I will declare an emergency. Even though the problem was minor, if it had become more serious, having the emergency already declared will save time and allow center to plan ahead if necessary.
Original NASA ASRS Text
Title: FLC OF SMA SINGLE ENG LAND ACFT WERE UNABLE TO CLB TO ASSIGNED ALT DUE TO A PARTIAL PWR LOSS RESULTING IN DIVERTING TO LAND.
Narrative: ON AN IFR FLT PLAN IN VMC WE WERE CLBING OUT OF SBP TO 8000 FT. AT 4000 FT WE BEGAN TO EXPERIENCE A LOSS OF PWR AND A ROUGH RUNNING ENG. WHILE WE WERE ATTEMPTING TO TROUBLESHOOT THE PROB, ZOA NOTICED OUR LACK OF CLB PERFORMANCE AND ADVISED US HE NEEDED US AT 8000 FT IN 1 MIN. WE ADVISED CTR THIS WOULD NOT BE POSSIBLE AND WE WERE VECTORED AROUND TFC. WE THEN DIVERTED TO PRB AND ADVISED CTR OF OUR INTENTIONS. WHILE ENRTE TO PRB WE LOST 700 FT OF ALT. LANDED PRB WITHOUT INCIDENT. IF A SIMILAR MINOR MECHANICAL FAULT OCCURS AGAIN, I WILL DECLARE AN EMER. EVEN THOUGH THE PROB WAS MINOR, IF IT HAD BECOME MORE SERIOUS, HAVING THE EMER ALREADY DECLARED WILL SAVE TIME AND ALLOW CTR TO PLAN AHEAD IF NECESSARY.
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.