Safety Shelf : Safety shelf is a section of solid construction around the perimeter of the flight deck used for safety of personnel, and may be included in the ground cushion area. (RP 2L)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}