ATPL Human Performance and Limitations

Question 1

Time of Useful Consciousness (TUC) at FL350 without supplemental oxygen is approximately:

Accepted Answer

30–60 seconds

Answer

1–2 minutes

Answer

3–5 minutes

Answer

5–10 minutes

Question 2

Which of the following best describes spatial disorientation in flight?

Accepted Answer

A false perception of the aircraft's attitude, motion, or position

Answer

Misreading the altimeter during climb

Answer

Visual illusions caused by runway slope

Answer

Confusion about ATC instructions

Question 3

The 'leans' is a form of spatial disorientation caused by:

Accepted Answer

A gradual undetected roll with a rapid correction sensed as a new roll

Answer

Incorrect altimeter setting

Answer

Vertigo from looking outside during cloud flight

Answer

G-force buildup during maneuvering

Question 4

Hypoxia at altitude primarily affects which cognitive functions first?

Accepted Answer

Higher cognitive functions including judgment and decision-making

Answer

Motor coordination and walking balance

Answer

Hearing acuity

Answer

Long-term memory recall

Question 5

Crew Resource Management (CRM) training primarily aims to reduce accidents caused by:

Accepted Answer

Communication breakdowns and poor decision-making in the cockpit

Answer

Mechanical failures and fuel exhaustion

Answer

Pilot medical incapacitation

Answer

Navigation system errors

Question 6

The SHELL model in human factors stands for:

Accepted Answer

Software, Hardware, Environment, Liveware, Liveware

Answer

Systems, Humans, Engineering, Logic, Limitations

Answer

Safety, Hazard, Error, Loss, Likelihood

Answer

Structure, Hardware, Environment, Learning, Laws