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where the cabin doors are jammed or inoperable, the hammer may be
used to break through the acrylic windows to provide an escape path
for the cabin occupants.
Convenience Outlet
A 12-volt convenience outlet is installed in the center console. The
receptacle accepts a standard cigarette-lighter plug. The outlet may be
used to power portable entertainment equipment such as CD players,
cassette players, and portable radios. Amperage draw through the
outlet must not exceed 3.5 amps. Power for the convenience outlet is
supplied through the 5-amp 12V DC OUTLET circuit breaker on the
MAIN BUS 3.
March 2010
7-84 Information Manual
Section 7 Cirrus Design
Airplane and Systems Description SR22
Cirrus Airplane Parachute System
The aircraft is equipped with a Cirrus Airplane Parachute System
(CAPS) designed to bring the aircraft and its occupants to the ground
in the event of a life-threatening emergency. The system is intended to
save the lives of the occupants but will most likely destroy the aircraft
and may, in adverse circumstances, cause serious injury or death to
the occupants. Because of this it is important to carefully read the
CAPS descriptions in this section, section 3 Emergency Procedures
and Section 10, Safety and consider when and how you would use the
system.
• WARNING •
The parachute system does not require electrical power for
activation and can be activated at any time. The solidpropellant
rocket flight path is upward from the parachute
cover. Stay clear of parachute canister area when aircraft is
occupied. Do not allow children in the aircraft unattended.
System Description
The CAPS consists of a parachute, a solid-propellant rocket to deploy
the parachute, a rocket activation handle, and a harness imbedded
within the fuselage structure.
A composite box containing the parachute and solid-propellant rocket
is mounted to the airplane structure immediately aft of the baggage
compartment bulkhead. The box is covered and protected from the
elements by a thin composite cover.
The parachute is enclosed within a deployment bag that stages the
deployment and inflation sequence. The deployment bag creates an
orderly deployment process by allowing the canopy to inflate only after
the rocket motor has pulled the parachute lines taut.
The parachute itself is a 2400-square-foot round canopy equipped with
a slider, an annular-shaped fabric panel with a diameter significantly
less than the open diameter of the canopy. The slider has grommets
spaced around its perimeter. The canopy suspension lines are routed
through these grommets so that the slider is free to move along the
suspension lines. Since the slider is positioned at the top of the
suspension lines near the canopy, at the beginning of the deployment
sequence the slider limits the initial diameter of the parachute and the
March 2010
Cirrus Design Section 7
SR22 Airplane and Systems Description
Information Manual 7-85
rate at which the parachute inflates. As the slider moves down the
suspension lines the canopy inflates.
A three-point harness connects the airplane fuselage structure to the
parachute. The aft harness strap is stowed in the parachute canister
and attached to the structure at the aft baggage compartment
bulkhead. The forward harness straps are routed from the canister to
firewall attach points just under the surface of the fuselage skin. When
the parachute deploys, the forward harness straps pull through the
fuselage skin covering from the canister to the forward attach points.
Activation Handle
CAPS is initiated by pulling the CAPS Activation T-handle installed in
the cabin ceiling on the airplane centerline just above the pilot’s right
shoulder. A placarded cover, held in place with hook and loop
fasteners, covers the T-handle and prevents tampering with the
control. The cover is be removed by pulling the black tab at the forward
edge of the cover.
Pulling the activation T-handle will activate the rocket and initiate the
CAPS deployment sequence. To activate the rocket, two separate
events must occur:
1. Pull the activation T-handle from its receptacle. Pulling the Thandle
removes it from the o-ring seal that holds it in place and
takes out the slack in the cable (approximately two inches (5 cm)
of cable will be exposed). Once the slack is removed, the T-handle
motion will stop and greater force will be required to activate the
rocket.
2. Clasp both hands around activation T-handle and pull straight
downward with a strong, steady, and continuous force until the
rocket activates. A chin-up type pull works best. Up to 45.0 pounds
　
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