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A ryan pt-22 in cruise at 2500 ft declared an emergency and diverted due to propeller delamination, shedding of pieces and severe vibration.
| Attributes | |
| ACN | 442964 |
| Time | |
| Date | 199907 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : lcq.airport |
| State Reference | FL |
| Altitude | msl single value : 2500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tower : lcq.tower tower : ric.tower |
| Operator | general aviation : personal |
| Make Model Name | Military |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Flight Plan | None |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 28000 flight time type : 20 |
| ASRS Report | 442964 |
| Person 2 | |
| Affiliation | other |
| Function | controller : local |
| Qualification | controller : non radar |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : diverted to another airport |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
In-flight, the propeller delaminated, shed pieces, causing vibration to the ship and engine. Attempted shutdown of the engine. Contacted tower (no avail), landed lake city airport. Callback conversation with reporter revealed the following information: the reporter stated the aircraft was a ryan pt-22, restored world war 2 primary trainer. The reporter said the propeller is made of laminated wood and came apart in-flight.
Original NASA ASRS Text
Title: A RYAN PT-22 IN CRUISE AT 2500 FT DECLARED AN EMER AND DIVERTED DUE TO PROP DELAMINATION, SHEDDING OF PIECES AND SEVERE VIBRATION.
Narrative: INFLT, THE PROP DELAMINATED, SHED PIECES, CAUSING VIBRATION TO THE SHIP AND ENG. ATTEMPTED SHUTDOWN OF THE ENG. CONTACTED TWR (NO AVAIL), LANDED LAKE CITY ARPT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT WAS A RYAN PT-22, RESTORED WORLD WAR 2 PRIMARY TRAINER. THE RPTR SAID THE PROP IS MADE OF LAMINATED WOOD AND CAME APART INFLT.
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.