Thank you to all who have replied so far. Initially, I was just looking for anyone who may have experience/info on the 401/402. The actual situation is that I am considering a purchase of a C-401A primarily for cross-country personal/business purposes. However, we sort of have a dual mission since my wife, my son, and I are skydivers as well. The aircraft will NOT be used for "commerical" skydiving. Only well experienced jumpers (family and friends) will jump it. We may also use if for the occasional Demo. The particular aircraft I have in mind has a cargo door aft of the airstep door which, when both are removed, would solve the small door issue. More specifically, I'm interested in any information from pilots and DZOs who have used a 401A for jumping to get an idea of the performance. I understand the single engine failure issue. Just curious about handling and such. The only "Fly with door removed "STC I could find out there is for the C-402C. Since the 401A and 402C are essentially the same airframe, I assume the performance is about the same. I figure the 401 doesn't have an STC because the 401 and 402 are not particularly efficient for regular DZO use. If anyone out there had first hand jump piloting/performance experience with the 401A specifically, or 401s/402s generally, I'd appreciate if you could contact me. It will help greatly in my purchasing process. Thanks again to all who have posted. cheers,