The home of everything related to Twin Navion and Camair aircraft
Alex Praglowski Aviation
NAV-4-65, NAV-4-1832, TTN-17, TTN-6, TTN-12, TTN-27, TTN-30, TTN-33, TTN-35, TTN-42, TTN-51, TTN-53, TTN-56, TTN-59, TTN-67, TTN-89, 1-070, 1-073, 1-082, 1-083,
Unknown #9 - Seen at Oshkosh Airventure. The date is unknown, though the 1990s seems likely.
Unknown #10 - Photo labled as Indiana, June 3, 2018. This looks to be an ongoing, progressing restoration.