Fuel Handling And Powertrain Systems Flashcards
What is the percent of icing inhibitors (FSII) in fuel?
.07-.15%
What are the required distances of safe operation while fueling/defueling?
3 miles-lightning
300 ft- radar operation
50 ft- electric cart and open flame
25 ft- support equipment
What are the three methods of fueling?
Single point, over wing, and hot refuel.
What’s the difference between standard and special fuel load?
Standard fuel load is used for typical missions while special fuel load is dictated by missions requirements.
What are the preparations required for fueling/defueling?
Ground the air craft, ground the support equipment, meeting power requirements.
How big is a small fuel spill and what are the required actions?
18 inches or less; ramp personnel standby until spill can be cleaned with absorbent wipes.
How big is a medium fuel spill, and what are the required actions to cleaning it up?
Over 10 ft in any direction, and under 50 sqft; post fire guard until clean up is complete. Disposed of rags as per hazmat procedures.
What are the parts of the rotary wing powertrain system?
Powerplant, high speed shaft, main gearbox, main rotor head, tail drive shaft, intermediate gearbox, tail gearbox, tail rotor head.
What is special about the main gear box’s construction?
They are modular.
How is the tail drive shaft constructed?
Smaller sections of drive shafts connected by a flexible coupling.
What are the components of the fixed wing powertrain syst?
High speed shaft, output shaft, propeller gearbox, propeller assembly.
