Accident Probes

Bad Yokes

During a scheduled inspection, technicians encountered corroded and bent control yoke boss attachment hardware that proved difficult to remove. After consulting with the manufacturer, the final recommendation was to remove the boss via cutting the bolts (p/n 2315152-33). Manufacturer was able to repair the yoke assembly using SB 31-27-11 and kit 2381602-801. Aircraft had been parked outside without gust locks.

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FAA Urges Best Practices For Turbocharger Exhaust

As part of its charter to help minimize GA accidents, the General Aviation Joint Steering Committee (GAJSC; see the article beginning on page 4 for background) earlier this year published a Best Practices Guide designed to ensure airplanes equipped with turbocharged reciprocating engines fitted with turbocharger to tailpipe V-band coupling/clamps, remain in their original type design configuration. It will also help to effectively manage the risk associated with the use of V-band coupling/clamps in this application.

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Good Days In The Plane

Like thousands of my closest friends, I made the pilgrimage to Oshkosh, Wis., in late July for the Experimental Aircraft Associations annual AirVenture Fly-In and Convention. As has been the case with the show in recent years, the 2018 edition set another new record for attendance, with some 601,000 people moving through the gates. At Oshkoshs Wittman Field, there were 19,588 aircraft operations during the 11-day period from July 20-30, according to EAA, an average of approximately 134 takeoffs/landings per hour. I contributed two of those operations.

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Switch Hunts

Beech Model 65 Queen AirFailed Gear Limit SwitchLanding gear limit switch (p/n MS250261) failed to stop motor during retraction, causing landing gear circuit breaker to pop. Aircraft landed without incident. Re-rigged the switch IAW maintenance manual. Retraction test and ops check okay.Part total time: Unknown

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Cranky Pilots

My Debonair had to go to the avionics shop recently for its 24-month pitot/static and transponder checks, and to diagnose an autopilot that wouldnt. As I feared, autopilot system components had to go out for factory attention, and the removal work would take longer than my schedule allowed. So I left the airplane and Uberd home. Before I had the free time to retrieve the airplane, my part of Florida was seeing a constant flow of moisture and showers coming in from the Gulf of Mexico.

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Real-World Takeoff Performance

1) A Piper PA-32R-300 Lance attempted to take off from a 3200-foot-long grass runway on a June morning with flaps retracted. It lifted off at the end of the runway, then descended into a shallow valley, touched down and lifted off a second time, before settling back to the ground and colliding with a barbed-wire fence. It was later determined to have been 188 pounds over its maximum gross weight with its center of gravity 0.15 inches aft of limits. Density altitude was about 1800 feet above field elevation.

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Losing Control Is Easy

It was a warm, blustery late-spring day in Texas. Visibility was restricted by the haze, and the afternoons updrafts were in full bloom. The whole package made the air hot, bumpy and thick. I had a multi-engine checkride scheduled in a few days, so my instructor and I were aloft in the Piper Seneca I that Id been using and were up to no good, trying to buff out the rough spots. This was for a commercial multi-engine checkride and emphasized instrument work.

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Are You Experienced?

This sounds like malpractice on the part of his FBO and possibly flight instructor. How can a student pilot in primary training with about 20 hours get checked out in a different aircraft with that little training? I remember that being approved for solo flight in my FBOs 172 was a big deal, like it is for most students: you do some landings with the instructor, then he or she gets out and tells you to do it yourself while observing from the ground, something that apparently didnt occur in this case since the instructor was with him for that sole hour of dual. Im even wondering how the students insurance company would have covered him (or if he was covered at all…).

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Ground Control

My flight instructor also lives in an airpark development, about 40 nm away, an easy hop. When we fly together, I generally taxi directly to her home. Past palm and pine trees, mailboxes, fences and…well, you get the idea. (Her trash gets collected on Fridays.) So Im no stranger to ground operations in close quarters. It could be said that I dont really know what to do with all the expansive, unobstructed pavement available for taxiing at real airports. Thats not to say Ill never taxi into something; thats always a risk.

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Pilot in aircraft
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