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Star Trek - The Next Gene…ractive Technical Manual
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Star Trek The Next Generation Interactive Technical Manual.iso
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0330230.txt
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1994-08-09
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EMERGENCY LANDING OF SAUCER MODULE
In the event the Saucer Module is disabled near a planetary body and
cannot maintain a stable orbit, landing the saucer is the final option. This is
to be attempted only when an acceptable chance of success has been
computed and all other available procedures have failed, short of total
evacuation by lifeboat modules. If the senior officer aboard the Saucer
Module makes the decision that the attempt must be made, special sets of
crew procedures and stored computer commands will be implemented.
While extensive computer modeling has been taken into account in creating
the landing programs, no guarantee as to their effectiveness can yet be
offered. SIF reinforcement of the saucer framework is believed necessary to
avoid exceeding saucer structural limits during atmospheric entry of a Class
M planet.
Without at least minimal reinforcement, aerodynamic loads
associated with most entry profiles may result in spaceframe destruction
prior to landing. As it was deemed too costly to subject a Galaxy class
spaceframe to a full-up atmosphere entry test, the computer model is the
best available reference. Starfleet has recorded a total of three data sets
from previous smaller starship hull landings, and these were extremely
helpful in the design of the computer routines. Conventional wisdom
believes, however, that the Galaxy class hull is still outside the survivable
performance envelope and would be unable to successfully perform a
deorbit and entry into a Class M compatible atmosphere.
A complex set of terrain touchdown options reside in the main
computers, taking into account such factors as contact material, air density,
humidity, and temperature. If there is an adequate amount of time for sensor
scans during the approach, the sensor values will be compared to those in
memory, and the appropriate control adjustments can be sent to the impulse
engines and field devices. Beach sand, deep water, smooth ice, and grassy
plains on Class M bodies are preferable sites; in contrast, certain terrain
types have not been modeled, such as mountainous surfaces. Other
nonterrestrial bodies may possess survivable surfaces, and their suitability
as landing sites will depend on the specific situation, computer
recommendations, and command decisions.
Naturally, many planetary types will possess environments so hostile
to crew survival that remaining in orbit will be a preferable option, unless
emergency landing is mandated by tactical considerations.
Prior to landing on a Class M planet (as only one example), the
structural integrity field and inertial damping field would be set to high
output, with the SIF also set to flex the vehicle in small, controlled amounts
for shock attenuation. The deflector grid will be set to a high output as well,
with its field decay radius configured to optimize the Saucer Module╒s final
slideout distance while applying a controlled friction effect. During approach
the computer would take atmospheric readings and make adjustments along
the descent, and command the deflector field to perform airflow and steering
changes. In the event computer control is limited, the Flight Control Officer
(Conn) should be able to make manual attitude control inputs from his/her
panel. The IDF would be configured to ╥jolt mode╙ during major impacts, if
they exceed certain preset translational limits. The deflector field is designed
to protect the vehicle hull, though only up to the specified load limits when
the hull must make contact with the ground. If the SIF, IDF, and deflector grid
are all functioning during slideout, they can add a great deal to minimizing
impact forces.
It is assumed that the vehicle would be a total loss insofar as ever
being returned to operational service, due to the extreme loads placed upon
it, which would result in deep, unrecoverable alloy damage. Postlanding
mission rules call for full security measures to protect the crew and vehicle
while awaiting Starfleet assistance. Numerous options have been
documented, from simple waiting within Federation or allied territory, to total
evacuation and vehicle destruct in areas controlled by Threat forces. ╞