In one of Airstreams first attempts to limit the customization of its models, the Ohio factory experimented with the idea of adding the suffix "C" to base models to identify them as Custom.  In this case this is really just a slightly modified Flying Cloud layout, the only real difference being a bath across the back and full height wardrobe drawers from a Caravanner. This practice only seemed to exist from 1956 through 1958.

To show just how crazy 1956 was - the below Ohio Custom trailer is really just a 1956 Caravanner with a 1956 Flying Cloud Serial #.  Who knows what Airstream Ohio was thinking...

This is O -3402 - half Flying Cloud, half Caravanner.  I love the layout and the condition of this trailer.

Original Refer, with the cooling air intake at the bottom.  By the 1960's, refer intake air was obtained from outside the trailer through vents

In a Caravanner and Safari type layout, the galley in this Custom is open and under a streetside bank of windows. The cupboard doors match the light fixtures

L shaped twin beds - rather a nice design.  You get to be close to your lovely spouse, yet don't wake each other up when getting out of bed during the night or in the morning.

All in one bathroom, or wet bath.  Toilet, sink & shower.

Shower drain - a the shower curtain closes across the door.

A small nightstand by the back twin

A Carlson heater in the floor - not one of Airstream's better ideas.  They work great, but are hot to step on.

Curtain closes across the aisle to sorta close off the beds - requires a special little closes-out panel.