Preliminary Contamination Assessment

Question 1

Carbon/graphite and boron/tungsten fibers can become ____________ as a result of fires or a crash/explosion
scenario which may fragment sections of a composite aircraft.

Answer 1

Airborne

Question 2

In the event of a fire without ______ _________ or explosion, release of carbon/graphite or boron/tungsten
fibers from composite materials by exposure to fire is more probable.

Answer 2

High impact

Question 3

Epoxy will burn readily in a fuel spill fire and exposed fibers can be __________ and carried into the
___________ via air currents of the smoke.

Answer 3

Broken, atmosphere

Question 4

In aircraft mishaps where carbon/graphite or boron/tungsten fibers are suspected, helicopters should never be used to control the fire or allowed to fly or hover over the site not less than ______ feet above ground level, or within _______ feet horizontally.

Answer 4

500, 1,000

Question 5

Rotor wash can spread _______ contained in smoldering, burnt, or shattered debris.

Answer 5

Fibers

Question 6

___________ of fibers into the helicopter electrical system could cause aircraft _________ resulting in a serious
mishap.

Answer 6

Ingestion, failure