Northwest’s Powertow, above, has been around since the earth was cooling. For $350, you can field upgrade an older model to include nylon inserts for the pincers.

by Joe Godfrey

There’s an old saying in the hangar tug business: You don’t think you need one until the first time your back creaks when you’re grunting to get your airplane over that annoying lip on the hangar floor. If you and your back would rather get your exercise at the gym or on the golf course than at the airport, it might be time to invest in a hangar tug. There are a number of these gadgets to pick from at various price points. …