Bang for Your Buck IV

I have written about this before, every two years since 2015, and with lots of new clients and some new services since last time, it seemed like a good time for a biennial review. The comedians are fond of saying, “Timing is everything.” I think the quality of the...

Misfueled!

When piston airplanes are fueled with Jet A, bad things can happen. On March 2, 2008, a turbonormalized Cirrus SR22 was destroyed when it crashed shortly after takeoff in Rio de Janiero, Brazil, killing all four people aboard. Shortly after the aircraft departed from...

Can Engine Data Spot a Worn Cam?

I’ll admit that coming up with a clever title is one of the rewards of writing a monthly article. But I didn’t spend a second trying to find a clever or arcane title for this one. I wanted it to be clear what this month’s topic is. The puzzle is...

The Great Beyond (TBO)

Lessons learned from geriatric engines. Time Between Overhaul (TBO) is a strange concept. The FAA, in its infinite wisdom, requires aircraft engine manufacturers to publish TBOs for their engines, but doesn’t require aircraft owners to abide by them. You are free to...

Turmoil

Of all the anomalies that can quickly grab your attention in-flight, which one is second on your list? Because obviously a fire is at the top of the list. For me it’s a rough runner, but a change in oil pressure is right there with it. The IO-520-K in my...