At FL400, the autopilot started porpoising and was turned off. Afterward, the aircraft would not trim properly. The crew diverted; it was difficult to keep it pitched down while descending. During the final phase of flight, the yoke was very difficult to input pitch changes, but was okay in the roll axis. After landing, troubleshooting duplicated the problem. Elevator servo (p/n 4006719914) was replaced with serviceable unit.
As the morning waned, the weather picture improved greatly, with only scattered showers and clouds over the Mojave Desert and clearing over the west side of the Tehachapi Mountains. We ended up filing to go over Victorville and into Bakersfield to visit family. Soon, we were cruising in VMC at 10,000 feet and looking at the activity over the Mojave. Ahead, there were Pireps for icing above 8000 feet, so we asked for and received routing over Edwards AFB at 6000. Based on what we saw visually and on the FAAs flight information system (FIS-B), we thought we were well out of danger.
A common night disorientation scenario is transiting from an area with many lights to empty countryside with few scattered lights (or none at all). I distinctly remember my first experience with night disorientation. I was a VFR-only pilot at the time and did not have a good instrument scan, nor much night experience, but thought I was proficient enough. I was flying from Boise to American Falls, Idaho, in a rented two-seat Alarus. The plane was painfully slow, so instead of flying over the highway, I hit the Direct To button on the GPS so I could fly the shortest path over the empty sagebrush back to the airport. Between the lack of lights and the moonless night, I strayed significantly off-course more than a few times. I knew my saving grace was the magenta line that I was able to keep pointed ahead.
David Jack Kennys article on upset training (Undoing An Upset, November) was excellent. A year or so ago, my son and I spent a day with Patty Wagstaff in St. Augustine, Fla. We took ground school and two flights each. Not inexpensive, but not outrageous either. We got unbelievable training and spent much of the day in spins and inverted. Back at the hotel that night, we just looked at each other and said, Wow! Were both much better pilots following the experience.
After a brake master cylinder was installed, the technician was unable to bleed the brake system. Fluid pulled from reservoir would return to reservoir through the same line as the internal bypass was not functioning properly. Master cylinder was disassembled and bypass was found stuck and unable to move. Metal shavings were found inside, and an O-ring was torn, with black specks mixed in with the shavings. Part replaced with new master cylinder.
My airplane has wingtip-mounted fuel tanks, installed under a supplemental type certificate (STC). In many ways, theyve transformed and improved the machine by adding greater loading flexibility, thanks in part to a gross-weight increase. What drag they produce isnt noticeable, and the additional endurance means the airplane is faster over some trips than it was before. For many of my destinations, I can depart with full tanks, fly to my destination, shoot an approach, miss it and fly home with reserves.
The pilot reported that he and his co-owner had flown the airplane the night before the accident; it flew normally without problems. On the morning of the accident, he had to use the low-pressure boost pump to start the engine, but the pre-takeoff run-up was normal. The airplane ised most of the 4201-foot-long runway before becoming airborne. On reaching about 500 feet agl, the pilot determined the engine was not producing full power. He turned on the low-pressure boost pump and climbed to 1000 feet agl before turning back to the airport. The engine continued losing power, so he conducted a forced landing to a cornfield. A witness reported observing dark exhaust trailing the airplane during the takeoff.
I started my lessons (at 50 years old!) at an airport called Howell-New Lenox in Illinois. On my first solo, I had to go around due to a back taxi by another student with his instructor (my first exposure to being PIC in a two-pilot operation. But I was cool; I also learned that I was pretty calm in an abnormal situation-when Im alone.
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