Beech Model 60 Duke


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Beech Model 60 Duke

Beech entered the field of pressurised general aviation aircraft following a first flight of the Beech Model 60 Duke on 29 December 1966. Slightly larger than the members of the Baron family, the Duke was intended as a luxury four/six-seat aircraft, and was provided with an extensive range of equipment as standard. Overall configuration was similar'to that of other Beech twin-engined models, but because it was intended for operation at a higher gross weight it had strengthened landing gear, and much more powerful Avco Lycom-ing TIO-541-E1C4 turbocharged engines. The pressurisation system installed in the then current production aircraft had an advanced controller which allowed selection of cabin altitude before takeoff or landing, and the system was able to maintain a 3050m cabin pressure altitude to a height of 7660m.

Only two revised versions of the original Model 60 appeared during the production run, the Model A60 and Model B60 introduced in 1971 and 1974 respectively. The first provided a 23kg increase, in maximum take-off weight, the second a slightly larger cabin and increased fuel capacity. Such an aircraft was by no means cheap and, by American standards, was built in comparatively small numbers, with a total of 596 completed by the end of production in 1983.

 ENGINE2 x Avco Lycoming TIO-541-E1C4 turbocharged flat-six piston engines, 283kW
  Take-off weight3073 kg6775 lb
  Loaded weight2006 kg4422 lb
  Wingspan11.97 m39 ft 3 in
  Length10.31 m34 ft 10 in
  Height3.76 m12 ft 4 in
  Wing area19.78 m2212.91 sq ft
  Max. speed455 km/h283 mph
  Cruise speed402 km/h250 mph
  Ceiling9145 m30000 ft
  Range2165 km1345 miles

scott, e-mail, 21.10.2011 07:41

I only flew one a couple of times. It was actually big when compared to a Baron, but nowhere near the room of a 421. The cockpit was not always that easy to get into in the 421, in the winter. The Duke was definitely comfortable once you got seated.

The 340 was nearly as fast, on less gas, and had a lot more room. I liked the F-90 the best.


John, e-mail, 20.10.2011 22:57

The Duke is 20+ knots faster than the 421 and won't flip on its back if you stall it.

Oh and have fun with the spar AD on the 421 too.....


Scott Boyd, e-mail, 06.05.2010 08:25

As long as you have enough runway. It has about the same power as a 421 and not anywhere the same range. It also has a much smaller cabin and fewer seats.

I flew one a few times and wasn't overly impressed. The Baron, with the same engine was another story.


edouard kohler, e-mail, 12.11.2009 19:51

Could not agree more with you. It is the most beautifull airplane to grace the sky and is also very strong, stable and friendly to fly. Someone said once: if an airplane is beautifull it will fly great. This is very true for the Duke. The bad rep comes from none Duke flyers and jalousy.


john, e-mail, 17.12.2006 20:23

The Duke is a great airplane as long as you have a good mechanic. Keep it away from Beech service centers or you won't be able to aford it. I have had Dukes since 1992 and they are probably the most underated presurized twin on the market.


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