URT-33/A Radio Locator Beacon
fabric survival package. A cushion on top of the
platform provides a firm and comfortable seat for the
The URT-33/A radio locator beacon is located in a
occupant.
cut-out in the left thigh support. The beacon is actuated
There are three different survival kit configurations
during ejection by a lanyard connected to a common
for the various NACES platforms:
anchorage point with the emergency oxygen lanyard.
Survival Package
KIT
AIRCRAFT
CONFIGURATION
SKU-7/A
F-14D
SJU-17(V)3/A and 4/A
The survival package is held on the underside of the
rigid platform by five fabric straps and a double cone
SKU-10/A F/A-18C/D
SJU-17(V)1/A, 2/A and 9/A
and pin release system. The package accommodates a
liferaft and the survival aids. Yellow manual
SKU-11/A T-45A
SJU-17(V)5/A and 6/A
deployment handles mounted on the kit enable the
occupant to deploy the package onto a lowering line
Basic differences between survival kits are as
after man/seat separation. The liferaft inflates auto-
follows:
matically on survival package deployment.
SAFE/ARMED Indicator Switch
KIT
CHARACTERISTICS
SKU-7/A
Narrow kit
The SAFE/ARMED indicator switch is located on
50-cubic-inch oxygen cylinder (100 liters)
the front of the seat bucket, left of the ejection control
Used in conjunction with Personnel Services
handle linkage. The SAFE/ARMED indicator switch is
Disconnect installed on the LH
made up of a switch, plunger, and a wiring harness that
mate to the electrical connector housing in the seat
SKU-10/A Wide kit
bucket. The ejection control handle mechanical safety
100 cubic inch oxygen cylinder (200 liters)
lock actuates the plunger on the SAFE/ARMED
indicator switch when the SAFE/ARMED handle is up
SKU-11/A Narrow kit
in the SAFE position.
100 cubic inch oxygen cylinder (200 liters)
The SAFE/ARMED handle is set to the ARMED
position (seat armed) when the aircraft is ready for
Rigid Platform
flight. When in the ARMED position, the visible
portion of the handle is colored with yellow and black
The rigid platform forms a hard protective cover to
markings and placarded as ARMED. When in the
the survival package and oxygen system and is retained
SAFE position, the visible portion is colored white and
in position in the seat bucket by brackets at the front and
placarded as SAFE.
lugs at the rear to secure the lower harness locks.
Attached to the lugs are two adjustable lap belts with
Q2-1. List the five main assemblies of the NACES.
integral quick-release fittings.
Q2-2. What is the purpose of the drogue and bridle
system?
Emergency Oxygen System
Q2-3. What component supplies dynamic pressure
An emergency oxygen cylinder, a pressure reducer,
inputs to the electronic sequencer?
and associated plumbing are mounted on the underside
Q2-4. The SAFE/ARMED handle displays what
of the platform. A green manual operating handle
color when in the ARMED position?
is mounted on the LH side of the platform and a
cylinder quantity gauge is on the inside of the face
Q2-5. An F/A-18C aircraft uses what type of seat
of the left-hand thigh support. The emergency
survival kit?
oxygen is automatically activated during ejection by
a lanyard connected to the cockpit floor. An
EJECTION
oxygen/communications hose is connected to unions
LEARNING OBJECTIVE: Identify the
on the LH rear top of the rigid platform and provides
ejection sequence and the different modes of
connections between the seat occupant, aircraft, and
operation.
survival kit systems.
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