Aircraft Batteries

What are Aircraft batteries’ scheduled maintenance performed in accordance with?

NAVAIR 17-15BAD-1

What is the basic component of a battery?

Cell, electrolyte, electrodes

What is an electrode?

Chemical solution, which acts upon the plates

Name for positive electrode?

Anode

Name for negative electrode?

Cathode (“Don’t like cats”)

What is DC?

Direct current

What is AC?

Alternating current

How is voltage determined?

Type of plate material and type of electrolyte

What are factors of current?

Amount of area exposed to electrolyte, number of plates and size of plates

What are the types of discharge current flow?

External and internal

What is external current flow?

Negative to positive

What is internal current flow?

Positive to negative

What is capacity of batter rating?

It is rated in Ampere-hours

What is the rate of discharge?

1 Hour

What is a series connected cell?

Allows for 1 path for electric current

What is a parallel connected cell?

Allows for multiple paths for electric current

Types of battery?

Lead-Acid and Nickel-Cadmium (Ni-Cad)

What does Lead-acid allow?

Higher volt but doesn’t last as long

What does Ni-Cad allow?

Lower volt that lasts longer

Color code for Lead-Acid?

Pink

Color code for Ni-Cad?

Blue

What is it called when a battery overcharges and explodes?

Thermal Runaway