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Old biplane inadvertently enters a rainshower and in the attempted 180, loses power. Staggers over and into jax air traffic area without clearance and performs unauthorized landing.
| Attributes | |
| ACN | 250290 |
| Time | |
| Date | 199308 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : jax |
| State Reference | FL |
| Altitude | agl bound lower : 60 agl bound upper : 800 |
| Environment | |
| Flight Conditions | Marginal |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : ncz tower : jax tower : phl |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft |
| Flight Phase | cruise other cruise other other |
| Route In Use | enroute : direct |
| Flight Plan | None |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial |
| Experience | flight time last 90 days : 63 flight time total : 785 flight time type : 312 |
| ASRS Report | 250290 |
| Person 2 | |
| Affiliation | government : military |
| Function | controller : local |
| Qualification | controller : non radar |
| Events | |
| Anomaly | aircraft equipment problem : critical incursion : landing without clearance inflight encounter : weather non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : declared emergency none taken : unable |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Flying east over highway 10 in fl entered rain, advanced throttle and initiated left turn at about 800 ft AGL and engine quit. Turned back to highway 10 and found could keep engine running by pumping throttle but unable to maintain more than 20 ft above tree tops. Flying in rain most of distance from lake city to jacksonville unable to maintain level flight in rain. Flying in and out of rain, landed NORDO at jax. Found propeller eroded. Found aircraft was unable to maintain acceptable performance because propeller leading edge had eroded in rain. Engine problem was caused by density altitude from high heat and humidity initially and by extra drag of damaged propeller. Radio contact was attempted on hand-held radio with NAS cecil, but we both were having reception difficulty and contact was ineffective and tried to raise jax on 121.5 without response.
Original NASA ASRS Text
Title: OLD BIPLANE INADVERTENTLY ENTERS A RAINSHOWER AND IN THE ATTEMPTED 180, LOSES PWR. STAGGERS OVER AND INTO JAX ATA WITHOUT CLRNC AND PERFORMS UNAUTH LNDG.
Narrative: FLYING E OVER HWY 10 IN FL ENTERED RAIN, ADVANCED THROTTLE AND INITIATED L TURN AT ABOUT 800 FT AGL AND ENG QUIT. TURNED BACK TO HWY 10 AND FOUND COULD KEEP ENG RUNNING BY PUMPING THROTTLE BUT UNABLE TO MAINTAIN MORE THAN 20 FT ABOVE TREE TOPS. FLYING IN RAIN MOST OF DISTANCE FROM LAKE CITY TO JACKSONVILLE UNABLE TO MAINTAIN LEVEL FLT IN RAIN. FLYING IN AND OUT OF RAIN, LANDED NORDO AT JAX. FOUND PROP ERODED. FOUND ACFT WAS UNABLE TO MAINTAIN ACCEPTABLE PERFORMANCE BECAUSE PROP LEADING EDGE HAD ERODED IN RAIN. ENG PROB WAS CAUSED BY DENSITY ALT FROM HIGH HEAT AND HUMIDITY INITIALLY AND BY EXTRA DRAG OF DAMAGED PROP. RADIO CONTACT WAS ATTEMPTED ON HAND-HELD RADIO WITH NAS CECIL, BUT WE BOTH WERE HAVING RECEPTION DIFFICULTY AND CONTACT WAS INEFFECTIVE AND TRIED TO RAISE JAX ON 121.5 WITHOUT RESPONSE.
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.