Although most of the airborne forces of the world still use round parachutes, some specialized military free-fall units use ram-air airfoils, which provide control of speed and direction, as their primary means of infiltration.
What does RA stand for?
RA stands for Ram-Air (General Motors)
This definition appears very frequently and is found in the following Acronym Finder categories:
- Business, finance, etc.
See other definitions of RA
We have 122 other meanings of RA in our Acronym Attic
- Radiocommunication Act
- Radiocommunication Assembly
- Radiocommunications Agency (within DTI)
- Radiographic Absorptiometry (bone density calculation using a hand X-ray and a small metal wedge)
- Radiological Assessment
- Radiology Assembly of Medical Group Management Association
- Rain (aviation meteorology)
- Rainforest Alliance
Samples in periodicals archive:
Airborne Systems has recently completed a test drop of its Gigafly modified ram-air parachute with an 8165-kg payload from 17,500 ft above mean sea level.
On the wind front, Suzuki's Ram Air system makes the best of the shape by positioning the ram-air intakes near the centre of the nose cone - where the air pressure is highest.
This capability is achieved by the use of a highly loaded elliptic ram-air wing that provides a fast glide to a point 100 metres above the target, where an unguided round parachute (slower forward speed/faster descent) is automatically deployed.
Following the EP would involve shutting off the cockpit air and opening the ram-air valve to let in the outside air.