Apart from my SLR I have a canon Powershot G7 which I consider to be an SLR in a slightly larger than average compact body. Don't know if they still make the G7 but any future G series will be the same.
For proof it it will give an image suitable for publication from an open cockpit click the link below.
http://www.jetphotos.net/viewphoto.php?id=6027886