On Monday, April 20, 2020 at 7:00:54 PM UTC-6, son_of_flubber wrote:
Would removing the rear half of an ASK-21's canopy not solve the contagion problem and still provide a reasonable enough L/D? Pilots could use Aviation Headsets for communication.

Half joking, but why would this not work for local flights?

You need to experience the drag on a two-seater with only one canopy. A 2-33 L/D would look pretty good by comparison.