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Boeing stearman pilot made a forced return land after the engine lost power and failed to respond to throttle control movement after hearing a loud bang.
| Attributes | |
| ACN | 512157 |
| Time | |
| Date | 200105 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : hky.airport |
| State Reference | NC |
| Altitude | agl single value : 1000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Stearman |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : initial ground other : pattern descent : approach |
| Flight Plan | None |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 83 flight time total : 14960 flight time type : 708 |
| ASRS Report | 512157 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : lack of throttle response other flight crewa |
| Resolutory Action | flight crew : landed in emergency condition |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
At 1000 ft AGL in pattern at hky, noticed and heard loud bang -- like a backfire sound. Loss of power noticed as there was little response from throttle advancement. Checked gauges and decided to land immediately. Normal landing made and cleared runway. No traffic conflicts. Abided by all FARS. No aircraft damage except for air intake ducting hanging down under carburetor. Apparently, it was knocked or blown loose in-flight. This could have caused the disruption of airflow to the engine causing damage.
Original NASA ASRS Text
Title: BOEING STEARMAN PLT MADE A FORCED RETURN LAND AFTER THE ENG LOST PWR AND FAILED TO RESPOND TO THROTTLE CTL MOVEMENT AFTER HEARING A LOUD BANG.
Narrative: AT 1000 FT AGL IN PATTERN AT HKY, NOTICED AND HEARD LOUD BANG -- LIKE A BACKFIRE SOUND. LOSS OF PWR NOTICED AS THERE WAS LITTLE RESPONSE FROM THROTTLE ADVANCEMENT. CHKED GAUGES AND DECIDED TO LAND IMMEDIATELY. NORMAL LNDG MADE AND CLRED RWY. NO TFC CONFLICTS. ABIDED BY ALL FARS. NO ACFT DAMAGE EXCEPT FOR AIR INTAKE DUCTING HANGING DOWN UNDER CARB. APPARENTLY, IT WAS KNOCKED OR BLOWN LOOSE INFLT. THIS COULD HAVE CAUSED THE DISRUPTION OF AIRFLOW TO THE ENG CAUSING DAMAGE.
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.