Power Cables, Icicles and a Bullet

When guitar strings break there’s no lingering doubt. When an old-style incandescent light bulb fails you might get a bright flash before the darkness, or maybe just the darkness. Either way, no doubt. These are instant, unconditional failures. Then there...

Fire in the Hole

Spark plugs start the fire going, and need some TLC We all know what aircraft spark plugs do: They accept high-voltage pulses from a magneto or electronic ignition unit and produce an electric spark inside the cylinder’s combustion chamber to ignite the air/fuel...

The Zeigarnik Effect

Okay I’ll admit it. The first time someone showed me the selective attention video – the one where the gorilla walks through the teams passing basketballs – the setup was that there was a really nice prize if you could count the exact number of...

An IA’s Dilemma

“Autographing a lie” is the worst FAR violation a mechanic can commit By Mike Busch | A&P/IA Inspection revealed that the propeller damage was substantial, apparently the result of a prop strike An IA is an experienced A&P mechanic who—by virtue of having...

Remembering Richard L. Collins

Last October I mentioned Eastern Airlines flight 401, which crashed into the Everglades in 1972 because all three crew members were fixated on a failed landing light. I first read about the importance of that flight, and so many others, by reading books and columns by...