Fabrication of Simplex Model 914 adjustable cargo mirror system

Fabrication of Onboard Systems Model 200-246-00 cargo hook kit

The wiring of cyclic control grip existing spare switch, S-33, in series with the cargo release switch, S-32.

The modification of the cargo hook control circuit and addition of a long line hook control circuit

Fabrication of Onboard Systems Model 200-088-03 or 200-088-04 (without Load Weight) or 200-089-03, -04, -05 or -06 (with Load Weight) cargo hook suspension systems