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Small aircraft has RPM drop unable maintain altitude. Prepares for highway landing. Engine recovers, land at airport.
| Attributes | |
| ACN | 199246 |
| Time | |
| Date | 199201 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : t89 |
| State Reference | TX |
| Altitude | agl bound lower : 100 agl bound upper : 100 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft |
| Flight Phase | descent : approach |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 16 flight time total : 465 flight time type : 300 |
| ASRS Report | 199246 |
| Person 2 | |
| Experience | flight time last 90 days : 16 flight time total : 465 flight time type : 300 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other other : unspecified cockpit |
| Resolutory Action | flight crew : overcame equipment problem |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
While on final approach to castroville 5 mi DME west of art heading 090 degree, experienced 500 RPM drop. Applied full carburetor heat and lined up on highway 90 for emergency landing. Engine was developing 1000 RPM and was unable to maintain altitude. Descended to 100 ft AGL before engine developed full power. Climbed back to pattern altitude and continued normal, uneventful approach and landing. Left and right fuel tanks sumps were drained during preflight with no indication of water or contamination. Minimal traffic was observed on highway, therefore determined minimal danger to civilians. Area is not built up and aircraft never touched down. No infringement on FARS. Precautionary measures only.
Original NASA ASRS Text
Title: SMA HAS RPM DROP UNABLE MAINTAIN ALT. PREPARES FOR HWY LNDG. ENG RECOVERS, LAND AT ARPT.
Narrative: WHILE ON FINAL APCH TO CASTROVILLE 5 MI DME W OF ART HDG 090 DEG, EXPERIENCED 500 RPM DROP. APPLIED FULL CARB HEAT AND LINED UP ON HWY 90 FOR EMER LNDG. ENG WAS DEVELOPING 1000 RPM AND WAS UNABLE TO MAINTAIN ALT. DSNDED TO 100 FT AGL BEFORE ENG DEVELOPED FULL PWR. CLBED BACK TO PATTERN ALT AND CONTINUED NORMAL, UNEVENTFUL APCH AND LNDG. L AND R FUEL TANKS SUMPS WERE DRAINED DURING PREFLT WITH NO INDICATION OF WATER OR CONTAMINATION. MINIMAL TFC WAS OBSERVED ON HIGHWAY, THEREFORE DETERMINED MINIMAL DANGER TO CIVILIANS. AREA IS NOT BUILT UP AND ACFT NEVER TOUCHED DOWN. NO INFRINGEMENT ON FARS. PRECAUTIONARY MEASURES ONLY.
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.