Certified Autopilot for the Cessna 170B

You didn't buy a 170B to modernize it beyond recognition — so what does the right upgrade actually look like?

The Cessna 170B draws a particular kind of owner: someone who wanted a classic taildragger with real cross-country capability, not just a ramp queen. Many 170Bs flying today have been through a careful restoration, and the owner knows the airframe, the fabric or metal work, and the panel history better than almost anyone else could. That kind of ownership tends to come with a strong opinion about what belongs in the panel and what doesn't.

That opinion is exactly why the autopilot question is different for a 170B than it is for a more common cross-country single. Nobody restores a classic taildragger to hand the flying over to a computer. But the long transit legs — to a fly-in, a grass strip fly-out, a cross-country trip to see other 170 owners — are where fatigue quietly builds, and where a certified autopilot earns its place without changing what the airplane is.

Most 170B owners don't start with "which autopilot." They start with "is there even a certified option for an airplane this old, and will it respect the panel I've already built."

Those are ownership questions from people who already know their airplane well. A 170B owner is rarely asking to be sold on automation in the abstract — they want to know whether something certified actually exists for this airframe, what it costs, and whether it respects the panel they've already invested in.

These questions matter because the value of an autopilot in a 170B isn't about flying the whole trip hands-off. It's about arriving at the part of the flight that actually requires full attention — the grass strip, the crosswind, the three-point landing — with more of it left to give.

For a 170B, that answer is almost always about the transit leg, not the destination. The autopilot doesn't touch the tailwheel skill the airplane demands on a short grass strip — it protects your margin on the two or three hours of straight-and-level flying that gets you there, whether that's flying original steam gauges or a panel you've modernized around a Garmin G5, Aspen, or uAvionix AV-30.