Human Factors and The Dirty Dozen in Aviation

Question 1

is a memory aid for explaining the actions of aviation personnel as they interact with hardware, procedures, test equipment, environmental factors and other people as they perform maintenance duties.

Answer 1

PEAR

Question 2

PEAR MEANS

Answer 2

PEOPLE, ENVIRONMENT, ACTIONS, RESOURCES

Question 3

Due to a large number of
maintenance-related aviation
accidents and incidents that
occurred in the late 1980s and
early 1990s, Transport Canada
identified twelve human factors
that degrade people’s ability to
perform effectively and safely,
which could lead to maintenance
errors.

Answer 3

THE DIRTY DOZEN

Question 4

These twelve factors, known as
the

Answer 4

THE DIRTY DOZEN

Question 5

What is the twelve human factors

Answer 5

LACK OF TEAMWORK
LACK OR RESOURCES
LACK OF COMMUNICATION
LACK OF AWARENESS
LACK OF ASSERTIVENESS
LACK OF KNOWLEDGE

FATIGUE
PRESSURE
NORMS
STRESS
COMPLACENCY
DISTRACTION

Question 6

• Failure to transmit, receive, or provide enough information to complete a task.
• Never assume anything.
• Only 30% of verbal communication is received and understood by either side in a conversation.

Answer 6

LACK OF COMMUNICATION

Question 7

• Overconfidence from repeated
  experience performing a task.

Answer 7

COMPLACENCY

Question 8

-Shortage of the training, information, and/or ability to successfully perform.

Answer 8

LACK OF KNOWLEDGE

Question 9

-Anything that draws your attention away from the task at hand.

________ are the #1 cause of forgetting things, including what has or has not
been done in a maintenance task.

Answer 9

DISTRACTION

Question 10

-Anything that draws your attention away from the task at hand.

________ are the #1 cause of forgetting things, including what has or has not
been done in a maintenance task.

Answer 10

DISTRACTION

Question 11

• Failure to work together to complete a shared
  goal

Answer 11

LACK OF TEAMWORK

Question 12

• Physical or mental exhaustion threatening work performance.

Answer 12

FATIGUE

Question 13

• Not having enough people, equipment, documentation, time, parts, etc., to complete a task.

Answer 13

LACK OF RESOURCES

Question 14

• Real or perceived forces demanding high-level job performance.

Answer 14

PRESSURE

Question 15

• Failure to speak up or document concerns about instructions, orders, or the actions of others.

Answer 15

LACK OF ASSERTIVENESS

Question 16

• A physical, chemical, or emotional factor that causes physical or mental tension.

Answer 16

STRESS

Question 17

• Failure to recognize a situation, understand what it is, and predict the possible results.

Answer 17

LACK OF AWARENESS

Question 18

• Expected, yet unwritten, rules of behavior

Answer 18

NORMS

Question 19

• one of his most famous drawings, can be described as one of the earliest sources presenting guidelines for anthropometry.

Answer 19

THE VITRUVIAN MAN

Question 20

• Around _______ , He began research in the area of anthropometrics.

Answer 20

1487

LEONARDO DI VINCI

Question 21

• trying to reduce human error in medicine.

-They developed the concept of using call backs when communicating in the operating room.

Answer 21

FRANK AND LILLIA GILBRETH

Question 22

• the first to fly a powered aircraft and also pioneered many human factors considerations.

Answer 22

ORVILLE AND WILBUR WRIGHT