Category Archives: Tech

Technology

Very Light Jet (VLJ) Market History to 2020

Like everybody connected to the aviation industry, I watched the Very Light Jet (VLJ) market hype (mostly around Paul Allen’s Eclipse 500,) in 2002 and wondered how the market would shake out. After the Eclipse announcement, around 10 competitors announced … Continue reading

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Software Fix Found For A220 Engine Acoustic Resonance Shutdowns

Very interesting: “Airbus has determined that acoustic resonance is behind the destruction of four engines on its new A220 airliners in the last couple of years. The company has come up with a software fix for the condition, which caused … Continue reading

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Cessna 210 Wing Spar Failure

Cessna T210M Wing Spar Shear between top rivets and lower I-beam Flange Narrowing Point (and Lower Forging Lightening Spotface Indentation.) The white foam may have collected water, aiding corrosion. Photo credit: ATSB. (click image to enlarge) I’ve read thousands of … Continue reading

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Covid-19: Nobody Saw Another Corona Virus Coming?

The frequent excuse for the lack of civil preparedness to the corona virus is, “Nobody saw it coming.” Well, actually that’s not true: BlueDot, a news alert service, notified their subscribers on Dec. 30 a Texas grocery store chain with … Continue reading

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Perl Sample Code for Geolocation Lookups with MaxMind GeoLite2

There’s been a lot of changes with MaxMind’s GeoIP database: You must register for an account to download databases. The database format was changed from GeoIP to GeoIP2. The free databases are called GeoLite2. Older lookup APIs no longer work, … Continue reading

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