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Consequently, the experimental procedures must be determined precisely before the
flight, and you and your associates should know these procedures perfectly.
The interruptions between the parabolas - the sequence of normal gravity, hypergravity
and microgravity - should also be taken into account in the procedures. Build your
apparatus and define your procedures in such a way that you are not bound by one
type of flight profile, as the profile can be changed.
Suggestions for Flight Appendix 5
Edition 5.2 A5.4
It is often useful to visualize the quality of the ambient microgravity in the cabin in real
time. Particularly for experiments that involve properties of flames, droplets, in
weightlessness. A very simple microgravity indicator can be made for this. By
connecting a dense, compact weight by a simple thread to the experiment structure, one
can observe the free float. Usually the best microgravity environment is reached at the
middle of the parabola.
When immediate results are needed, video and photo equipment is highly
recommended. The best results are achieved using carefully focused cameras fastened
to experiment racks. Be sure to bring spare batteries on board the aircraft, as well.
Suggestions for Flight Appendix 5
Edition 5.2 A5.5
B. PERSONAL PREPARATION
Pre-flight preparation
Eat normally before the flights, one or two hours before take off, if possible. Eating
nothing simply increases the risk of airsickness.
It is important to fly in good physical condition to limit fatigue during the flight. A
good night's sleep is a favorable factor.
No toilets are available in the aircraft; participants must take this into account.
All experimenters wear a Nomex suit during the flights. The cabin temperature is set to
allow light clothing, especially for subjects of medical experiments. So it is
recommended to avoid wearing sweatshirts or sweaters, and to limit underwear to a
minimum.
Only sports shoes are authorized, preferably with light-colored soles to avoid streaks
and marks on cabin interior.
All small objects like pencils, cassettes, etc., fly away very easily during the parabolas
and disturb the operation of experiments and of the aircraft. These objects should be
secured to a person or to experimental equipment with string or Velcro or they should
be stowed in suit pockets (make sure the pockets are closed) or in a bag attached to the
experiment.
Suggestions for Flight Appendix 5
Edition 5.2 A5.6
Hints for the Flight
Airsickness bags are distributed to each experimenter. If used, it is very important
to close them again before the next parabola. The safety personnel on board will
replace used bags as soon as possible. Used bags are stowed in one of the big plastic
bags in the front and back of the cabin.
Strong odors accentuate the risk of nausea. The use of perfumes should be avoided.
Very ill persons should go to the rear of the aircraft.
Smoking is prohibited in the aircraft.
The most comfortable attitude for experimenters during the pull-in and -out phases
(2g) is flat on their backs or seated with the back against the side wall of the cabin.
Please be conscious of your own body during flight and try to avoid interfering with
your neighbors and their experiments. Experimenters should keep their legs in the
restraining straps (bring a strap for this purpose, and ask for a few O rings to attach
it to the floor).
For experimenters who are flying for the first time, it is advised that they remain
seated for the first one or two parabolas to get used to the new sensations specific
to this maneuver.
As the cabin is often very crowded with equipment and people, any unnecessary
movement should be avoided so as not to disturb the pursuit of the experiments; and
any experimenter who has finished his job should return to his seat until the
end of the flight.
Edition 5.2 A6.1
Equipment and Appendix 6
Safety Procedures
The aircraft is fitted with 50 seats for the experimenters and supervisory personnel, 26
in the forward section and 24 in the rear section (fig. 1). Two-seat benches were
removed to permit rapid access and evacuation.
During take off and landing, the experimenters are seated with seat-belts attached. They
can only unfasten their belts and leave their seats when authorized to do so by the crew
and must immediately return to their seats when ordered to do so. Each experimenter is
assigned a seat for take off and must return to the same seat if necessary. Emergency
evacuation from the aircraft will also be ordered by the crew. At this time, those in the
aircraft will be asked to exit through the two rear doors or the two front doors, which
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