Special Patrol Insertion/Extraction

The Special Patrol Insertion/Extraction (SPIE) system was developed as a means to rapidly insert and/or extract a reconnaissance patrol from an area that does not permit a helicopter to land. SPIE has application for rough terrain as well as water inserts/extracts. It is an adaptation of the Vietnam War-era STABO rig.[1]

Early 2010s video of U.S. Marines flying over St. Louis, Missouri on a SPIE rig attached to a USMC CH-46 Sea Knight
Special Purpose Insertion/Extraction training between a Sikorsky SH-60 Seahawk helicopter and USS Dwight D. Eisenhower
2eme REP Legionnaires extract from a Puma over Calvi.
Personnel suspended from a Seahawk helicopter for a SPIE operation

Generally, the SPIE rope is lowered into the pickup area from a hovering helicopter. Patrol personnel, each wearing a harness with an attached carabiner, hook up to a D-ring inserted in the SPIE rope. A second safety line is attached to a second D-ring located above the first. The helicopter lifts vertically from an extract zone until the rope and personnel are clear of obstructions, then proceeds in forward flight to a secure insert zone. The rope and personnel are treated as an external load and airspeeds, altitudes, and oscillations must be monitored.[2]

The United States Coast Guard uses a similar technique to board ships when speed and stealth are required.

History

The Special Personnel Insertion/Extraction was first designed by the Marines of 1st Force Reconnaissance Company, the Marine division's 1st Reconnaissance Battalion, and the 1st Marine Aircraft Wing riggers. In 1969 they created and actively used several versions of the SPIE in combat before it was officially recommended to be tested. In May 1970, the commanding general of 3rd Marine Amphibious Force coordinated input from the 1st Marine Division and his 1st Marine Air Wing. A request was sent to the Commandant of the Marine Corps and to the Development Center for certification of the SPIE rig and to its safety and use.[3]

The parachute test jumpers of the Naval Parachute Unit (NPU) and Marine Corps, all qualified parachutist designers and engineers, assembled together at El Centro for the initial testing and evaluation of the SPIE rig. After a few test dummies were tried, Marine Major Bruce F. Meyers, along with four Navy NPU parachutist engineers, successfully attempted the first flight on the current SPIE assembly

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See also

References
  1. http://www.vietnamgear.com/kit.aspx?kit=661
  2. FMFM 7-40 Helicopter Rope Suspension Training (HRST) Operations
  3. Bruce F. Meyers, Fortune Favors the Brave: The Story of First Force Recon, (Annapolis, MD: Naval Institute Press, 2000).
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