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Strong Enterprises owner’s manual. Para-Cushion
www.strongparachutes.com
1. Introduction
Thank you for purchasing a new Para-Cushion Model L-39 Emergency Parachute System from
Strong Enterprises. It is one of the finest available anywhere and with a little care, should last
you a very long time. Rest assured that your new Para Cushion has been constructed to retain the
durability, reliability and comfort that Strong Enterprises has been building into its products for
over 50 years. We welcome your comments so that we may continue to improve our products and
help make flying safer and more comfortable.
1.1 Scope
This owner’s manual constitutes the manufacturer’s instructions for the operation, packing and
maintenance of the L-39 Emergency Parachute System
.
1.2 FAA Approval
Originally certified in 1973 under TSO C-23b, standard category, the Para-Cushion parachute
assemblies were upgraded in 1992 and are now FAA approved under TSO C-23c, (in accordance
with AS 8015A category B and FAR 21, Subpart O).
1.3 Operational Limitations
Limited to use by persons up to 254 lbs (115 kg) fully equipped (person, clothes and equipment), and
up to 150 knots IAS when equipped with the C-9 Parachute Assembly.
1.4 Repack Cycle
Your Para-Cushion model L-39 is designed for a 365-day repack cycle. Your countries laws may
dictate a stricter schedule, check your local regulations. The Para-Cushion model L-39 must be
packed by an FAA certificated parachute rigger, or foreign equivalent, with an appropriate rating
or returned to Strong Enterprises for inspection and repack. If your Para-Cushion is exposed to
moisture, excessive dirt or is damaged it should be inspected sooner than the maximum allowed.
Note!
USA current repack regulations can be found in FAA FAR 91.307
1.5 Model Description
The Para-Cushion series of Emergency Parachutes, including the L-39 Emergency Parachute
System, is an FAA approved emergency parachute system fitted with a round, steerable canopy. The
Para-Cushion model L-39 has been designed exclusively for use in the L-39 Jet Trainer. The system
replaces the original Czech Parachute Seat Harness. The unique arrangement of each Para-Cushion
system, with its externally mounted pilot chute (U.S. Patent #3,908,937) allows for a soft flexible
container with protected ripcord pins.
! WARNING !
This Parachute System must be installed
by a trained and appropriately rated Aircraft Mechanic.