Ten different cabin layouts were offered.
Although the standard cabin layout was for six passengers, Lockheed also offered roomier, more luxurious layouts for corporate or private owners.
The cabins at the other parks reflect the "rustic" style of cabin layout promoted by the National Park Service.
It had a fixed tricycle landing gear and a conventional four-seat cabin layout.
The cabin layout was also modified.
The cabin layout was modernised but the Naval architect couldn't improve Illingworths original underwater lines.
The cabin layout was a central circular lounge ringed by ten sleeping cubicles and a washroom.
In 1952 the cabin layout on northern trans-Atlantic routes was changed to one with a first and a tourist class.
The cabin layout is also marginally different in the arrangement of the bathroom and the walk-in wardrobe.
The twin cabin layout offers relatively good privacy, whilst the galley and chart table facilities are reasonable.