I had myriad reasons why my Piper Arrow hadn't slipped the surly bonds in weeks, so when the day's weather transformed into a beautiful Florida clear-and-a-million sky, I had no excuses. The mission was uncomplicated. I'd fly to an airport only 15 minutes away, top off the tanks, and return home while practicing a GPS approach or two. After a methodical engine run-up, and a "not everybody gets to do this" grin on my face, I pushed the throttle forward on all 200 horses of the 10-360. A scan of the JPI and analog gauges indicated we were go for launch. As the runway lights and centerline markings started to blur with normal acceleration, I noticed that both the Aspen Avionics flight display and the analog airspeed were indicating 35 knots. Approximating the distance traveled on the 5,500-foot runway, I quickly realized that the airspeed should be higher. Ruh-roh.
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