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|  T-45A UJPT, E2-C2, ADV, & IUT Seat-01
Aeromedical Aspects of Emergency Egress (NACES)
B.
Dynamic overshoot
Sg 4, fr 3
Dynamic Overshoot
1.
A.K.A. “seat slap”
* A.K.A. “seat slap”
2.
Causes
* Causes
a.
- Gz lifting you off the seat
- -Gz lifting you off the seat
- Pulling legs back; anticipating
b.
Pulling legs back - anticipating ejection
ejection
- Legs too long for seat/cockpit
c.
Legs too long for seat/cockpit
NOTE: Every inch the bottom of your
thighs are from the seat-pan is equivalent
to 30-40 Gz.
C.
Windblast injuries
Sg 4, fr 4
Windblast Injuries
1.
Flail injuries
* Flail injuries
2.
Chances of injuries are increased by
* Chances of injuries are
increased by
a.
High-speed ejections
- High speed ejections
b.
Improperly worn equipment (loose-
- Improperly worn equipment
fitting torso harness, sleeves over
(loose fitting torso harness,
gloves, visor up, mask off, etc.)
sleeves over gloves, visor
up, mask off, etc.)
NOTE: Ensure gloves are placed over
- No firm grip on the ejection
sleeves, not sleeves over gloves.
handle or torso harness
c.
No firm grip on the ejection handle or
Sg 4, fr 5
torso harness
GLOVES
Page 1-14
(9-99) Original
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