TM 10-1670-213-10
b. Once the proper size harness has been
For personnel who cannot be properly
determined, it must be adjusted to fit properly. The
fitted with any of the eight different size
harness is donned in the normal manner except for
stepping into the leg loops (fig. 2-5). NOTE: The chest
ejection seat harness will be made for
strap disconnect assembly is disengaged by pushing cup
the
individual.
The
following
open with finger and drawing finger back over release bar
information will be required from an
appropriately rated flight surgeon.
c. Adjust the harness to a snug fit while in a
(1) Chest circumference.
Measured at
seating position (fig. 2-5). Remove all slack in the leg
nipple level, relaxed.
loops as shown in #2 of figure 2-5. Pull adjustment web
end #3 of figure 2-5 until chest restraint web and
(2)
Vertical
trunk
circumference.
adjustment webs are equal #4. Engage the chest strap
Measured over shoulder at base of neck, through crotch
disconnect assembly. Adjustment web ends must be
and buttock.
(3)
Waist circumference.
Measured at
NOTE
navel level.
The OV-1 Parachute and Ejection Seat
Restraint
Harness
must
fit
the
(4)
Hip circumference.
aircrewman
properly
to
provide
maximum comfort and protection.
(5)
Thigh circumference.
Measured
When properly fitted, the harness
at crotch and perpendicular to leg axis.
should be snug but not binding. The
e. The above information must be verified by the
main sling (saddle) should pass under
flight surgeon and the 'individual's unit commander.
the buttocks and the chest strap should
Forward this information to Commander, US Army
cross the center of the chest, not near
Aviation Systems Command, ATTN: AMSAV-QWSA, PO
the collarbone. For use with bulkier
Box 209, St. Louis, MO 63166.
winter flight clothing, it may be
necessary to use a larger size harness
NOTE
than with summer flight clothing.
d. Upon determining the proper harness fit in
fitted in the same manner as the 28-foot
accordance with the above, the occupant torso restraint
back type personnel parachute (refer to
must be adjusted to the ejection seat, to afford maximum
ejection load restraint. This is accomplished by sitting in
an installed ejection seat and connecting the riser connect
2-5. Installing the Seat Belt in the OV-1 Parachute
fittings to the harness. Place the inertia reel handle in the
and Ejection Seat Restraint Harnesses.
LOCK position and place shoulders full back against the
parachute pack. Lower the right and left canopy release
a. On the fitted harness, the seat belt can be
fittings equal amounts until inertia reel restraint straps
installed in the harness by passing the belt through the
slack is removed and occupant shoulders are restrained.
seat belt retainer loops located on the left and right side of
the harness at hip level (View A, fig. 2-6). Rotate the
WARNING
male release assembly 90 degrees up or down and pass it
through the loop.
Failure to fit the ejection seat harness
properly may result in personal injury to
b. For the adjustable harness, the male release
the aircrew member during ejection
assembly must be removed from the seat belt. Using a
sequence.
small bit common screwdriver, remove the set screw from
the base of the release assembly and remove the roller
NOTE
pin from the assembly (View A, fig. 2-6). Pass the seat
Personnel who cannot be properly fitted
belt webbing through the accessory attachment ring (View
with the harness that matches their
A, fig. 1-4). Then attach the male release assembly back
height to weight ratio may use the next
to the seat belt web. The above procedure is used for
size harness (larger or smaller).
both sides of the harness. For harnesses with seat belt
NOTE
2-6