Milton Shupe over on the SOH forums has announced the release of the freeware FSX Native Lockheed Lodestar L-18, C-57, C-60A-v1.0 Package.
Here is the info he posted on the forum with link to forum page.
Description: FSX Native Lockheed Lodestar L-18, C-57, and C-60A – Release v1.0
by Milton Shupe, Tom Falley, Scott Thomas, Ken Mitchell, Rachael Whiteford, Stuart Cox, Martial Feron, Andre Reimers, Mark Rogers, William Ellis, Willy McCoy, Maarten Brouwer, and Sounds by Nigel Richards. Pilot figures by Jan Visser.
Pkg incl 4 models, custom panel and gauge setup, custom sounds, custom Flight Model by Tom Falley, and 25 military and civilian liveries.
Link to forum post : Here