Design, Development and Qualification Testing of the U.S. Navy NES-21A Parachute Assembly

Abstract

The report covers the design, development, and the U.S. Navy Service Qualification Program conducted on the NES-21A personnel parachute assembly designed for use in ejection seats of U.S. Navy T-33B and QT-33A aircraft. The NES-21A design objective was to provide a retrofitable replacement for the existing NS-3 personnel parachute assembly which would operate with a decreased opening time. This factor would improve aircrew survivability in the low speed, zero altitude operational envelope. This improvement was accomplished principally by the incorporation of a 40-inch diameter internal pilot chute and main canopy PDVL (Pull Down Vent Lines). The NES-21A parachute assembly will perform satisfactorily as presently designed at 90 KTAS (Knots True Airspeed) and above, for ground level and higher altitude ejections.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1974
Accession Number
ADA001754

Entities

People

  • Jon T. Matsuo

Tags

Communities of Interest

  • Air Platforms
  • Human Systems
  • Space

DTIC Thesaurus Topics

  • Air Force
  • Aircrafts
  • Airframes
  • Airspeed
  • Altitude
  • Cameras
  • Drogue Parachutes
  • Drop Tests
  • Ejection
  • Ejection Seats
  • Escape Systems
  • Ground Level
  • Parachutes
  • Photographic Equipment
  • Standards
  • Test Equipment
  • Test Methods

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  • Aviation Science / Aeronautics.
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