retraction unit webbing straps pass through the rollers
PERSONNEL PARACHUTE AND UPPER
and the lugs are inserted in the upper harness locks. The
RESTRAINT HARNESS
parachute risers are attached to the occupant harness by
The personnel parachute and upper restraint
canopy releases. A ventilated back pad is provided
harness (fig. 1-9) consists of a 28-foot diameter
forward of the personnel parachute and secured by a
personnel parachute, parachute container, and shoulder
touch-and-close fastener to the personnel parachute
harness roller and canopy releases. The personnel
container.
parachute is packed per NAVAIR 13-1-6.2, within a
PARACHUTE HARNESS
specially shaped rigid container, which rests on the
SENSING-RELEASE UNITS
parachute support plate. The container is secured to the
seat by inserting two taper plugs into the parachute
The SEAWARS consists of two parachute harness
container locks attached to the main beams and forming
sensing-release units, one fitted to each parachute riser.
part of the harness-release mechanism.
The units are designed to release the crewmember from
The personnel parachute withdrawal line is routed
the parachute within two seconds after seawater entry.
up the left side of the headbox and through the
Each unit is composed of a canopy release assembly
guillotine unit, and attaches by a screwed coupling to
(Koch fitting), electronics package assembly (EPA),
the drogue parachute assembly link line. The
battery, cartridge assembly (DODIC MW19), elec-
withdrawal line is held to the seat by a lug attached
trically activated explosive device (EED), and
partway along the line, inserted into the left upper
mechanical parts.
harness lock together with, and outboard of, the left
Q1-10.
W h a t i s t h e p u r p o s e o f t h e d i f f e re n t
webbing strap of the harness retraction unit. Attached
color-coded brackets?
to the left parachute riser is the personnel parachute
manual release cable, used to deploy the parachute for
Q1-11.
What component is the structural frame of the
either over-the-side bailout or after manual separation
seat assembly?
from the seat during ejection.
Q1-12.
What component provides automatic actua-
The upper restraint harness consists of roller
tion of the harness release mechanism?
assemblies attached to the parachute risers. The harness
PERSONNEL
PARACHUTE
PARACHUTE FLAP
RETRACTION
AIDS
VENTILATED
BACK PAD
PERSONNEL
PARACHUTE
CONTAINER
AMEf0109
Figure 1-9.--Personnel parachute and upper restraint harness.
1-12
