On average, light planes today are in the worst mechanical state ever. But your aircraft needn't be so if you are maintenance-aware and maintenance-involved. More
If you notice any change in your airplane, no matter how trivial, act immediately to determine its cause. A seemingly inconsequential thing like static in your headset might be a vital clue to an impending catastrophic failure. More
Whether you're approaching major overhaul or just dealing with one jug with a mid-life crisis, you face a bewildering array of cylinder choices: factory new, oversize, rebarrel, nitrided, through-hardened, channel chrome, Cermicrome, Nu-Chrome, Cermisteel, IFR, Freedom, and now CermiNil and Millennium cylinders...whew! Here is our survival guide for sorting through this maze and choosing replacement cylinders wisely. More
For years, we've warned against the use of fully synthetic oil such as Mobil AV-1 in most owner-flown airplanes because of its inability to hold lead and other contaminants in suspension. We've also cautioned against the extended oil change intervals suggested in Mobil's promotional literature. Now TCM has removed AV-1 from its list of approved oils, and Mobil has withdrawn it from the market. More
We're assuming unleaded avgas will be more expensive than 100LL. But what if more companies enter the market and increase competition? Or maybe the tooth fairy will leave a gas card under your pillow. More
Harold Moritz and Sheila Gleason of East Haddam, CT left us speechless with a beautiful vista in our latest batch of "PotW" submissions. Click through for a bumper crop of incredible photos from AVweb readers.