Unless all of the solid contaminants are removed from the air before it enters the instruments, they will accumulate, usually in the rotor bearings, and slow the rotor.

Use a word that is unapproved in the dictionary only when it is a technical name or part of a technical name.

The flight data recorder system gets and stores airplane parameters from airplane systems and sensors.

Fault isolation manual provides the information used to identify, locate and correct any fault that might occur on the airplane.

If the fuel level is high enough in the surge tank, fuel will drain out of the vent scoop.

The surge tank drain check valve permits fuel in the surge tank to flow to either main tank 1 or main tank 2.

The fuel in the surge tank will drain into the main tank when the airplane is at a constant velocity and cruise pitch angle.

The same word can be both a technical name and a technical verb when you can put this word in a technical name category and also in a technical verb category.

Surge tanks found outboard of each main tank collect fuel overflow and fuel from the vent system.

The listed technical names are only examples. This is not the complete list of all possible technical names.

This procedure includes the instructions to remove the constant speed drive (CSD).