Thanks for your constructive opinion Froggy. Really helpful!
I don’t have a flight manual, therefore the easiest way to get 90% of the information I need is to use an existing spreadsheet and modify it for my requirements.
I could ask a hundred questions about seat stations, fuel tanks etc but actually what I was after was a very rough idea on loading and range of a typical Short nose, 8 seat config VIP 139. Simple really…
Bilbo