Aviation Maintenance Health and Safety

What is the best shop practice?

Good housekeeping

What do you do with a piece of equipment once you're finished with it?

Clean it and put it back

Who's responsible for safety?

Everyone

What are the yellow painted walkways in the hangar used for?

Safe walkway

How should a gas cylinder be stored?

Upright, changed, and safety cap installed

Where is PPE installed when it's used?

On yourself

What's an important consideration regarding emergency exits in the hangar?

Be clear of obstructions

Where are flammable materials stored?

Explosion proof or fire cabinet

Why should loose clothing or jewelry not be worn in the shop/lab?

To not get caught in the machine

What should be done before beginning any work on a hydraulic system?

Depressurize the system/de-energize

What 3 elements/components are required for a fire to start/burn?

Heat, Fuel, and Oxygen

What is Class A fire extinguisher used for?

Ordinary combustibles like wood, paper, cloth

What is Class B fire extinguisher used for?

Flammable liquids

What is Class C fire extinguisher used for?

Electrical equipment

What is Class D fire extinguisher used for?

Combustible metals like magnesium

What's the first thing to be done when an electrical fire is encountered?

Unplug the power source

What type of extinguisher should never be used on a class D fire?

Class A extinguisher

Why should one exercise caution when using a CO2 extinguisher in an enclosed space?

Because CO2 displaces the oxygen in the air

What colour and shape is the symbol for a class B extinguisher?

Red and square

Why do you check the weight of a fire extinguisher?

To check to see if it's used

What percentage of maintenance errors involve Human Factors?

80%

Which Human Factor discipline focuses on human body dimensions?

Anthropometry

Which Human Factor discipline analyzes human-computer interaction?

Cognitive Discipline

What does Human Factor focus on in terms of safety?

Minimizing human error

Which Human Factor discipline studies the human mind as an information processor?

Cognitive Human Factors

Which discipline helps AMTS better deal with stress and problem-solving under pressure?

Human Psychology

What outcome do we gain from improved Human Factor awareness in Aircraft Maintenance?

Fewer accidents

What does Safety Engineering focus on?

Identifying hazards, preventing accidents, and equipment to keep people safe

Which discipline of Human Factor deals with the relationship between workers and their work environment?

Physical Ergonomics

Which Dirty Dozen & Human Factor involves reduced cognitive abilities, coordination, and reaction time?

Fatigue

Which Dirty Dozen & Human Factor describes a failure to recognize all the consequences of an action?

Lack of awareness

Which Dirty Dozen & Human Factor is associated with self-satisfaction leading to a loss of awareness?

Complacency

What does stress typically result from in Dirty Dozen Human Factors?

Time pressure

What is an example of an active error?

AMT falling off a ladder

What does PEAR stand for?

People, Environment, Actions, Resources

What best describes latent failures in the Swiss Cheese Model?

Latent error

What is the Fishbone Diagram also known as?

Cause and Effect diagram

What did Heinrich compare to the first domino in the Domino Theory?

Social Environment