1|Page
Block 1 (ATSC 231) Exam Questions
and Answers 100% Pass
Which type of aircraft category of operation had the highest percentage of weather related accidents? -
✔✔Part 91.
Most weather related accidents under Part 91 operations resulted from? - ✔✔Wind.
The National Transportation Safety Board (NTSB) Part 830 defines an aircraft accident anytime a person
on-board an aircraft experiences a minor injury. (T or F) - ✔✔False.
NTSB 830.2 Aircraft Accident Definition. - ✔✔Any person suffers serious injury or death. Or in which the
aircraft receives substantial damage.
Most weather related accidents under Part 135 operations resulted from? - ✔✔Visibility and Ceiling.
Most weather related accidents under Part 121 operations resulted from? - ✔✔Turbulence.
Most Part 91 weather-related accidents cause what type of injury? - ✔✔None.
Most Part 91 weather-related accidents occur during what time of day? - ✔✔Daylight.
Weather related aircraft accidents have been increasing over the period 2003 to 2007 according to the
ASIAS study. (T or F) - ✔✔False.
Private pilots Part 91 weather-related accident rate peaks at how much flight time? - ✔✔150 - 175 Hours.
Emily Charlene © 2025, All Rights Reserved.
, 2|Page
________________________ is a systematic approach to the mental process used by aircraft pilots to
consistently determine the best course of action in response to a given set of circumstances. -
✔✔Aeronautical Decision Making.
Which organization's primary responsibility is to understand and predict changes in the Earth's
environment and conserve and manage coastal and marine resources to meet our nation's economic,
social and environmental needs? - ✔✔National Oceanic & Atmospheric Administration (NOAA).
Which organization's primary responsibility is to provide weather data, forecasts and warnings for the
protection of life and property? - ✔✔National Weather Service (NWS).
Which organization's primary responsibility is to provide a wide variety of national and international
weather guidance products to everyone through nine specialized centers for analyzing and forecasting? -
✔✔National Center for Environmental Prediction (NCEP).
Which organization's primary responsibility is to issue aviation weather products for the airspace over
Alaska and adjacent coastal waters? - ✔✔Alaskan Aviation Weather Unit (AAWU).
Which organization is a multi-purpose, local weather forecast center which primary responsibility is to
produce public and aviation weather forecasts and weather warnings for its area of responsibility? -
✔✔Weather Forecast Office (WFO).
Which organization is located at ARTCCs, staffed by NWS meteorologists and their primary
responsibility is to provide timely weather consultation, forecasts and advice to managers and
controllers? - ✔✔Center Weather Service Unit (CWSU).
Which organization's primary responsibility is to issue products through ADDS in support of FAA air
traffic controllers and the National Airspace System? - ✔✔Aviation Weather Center (AWC).
Emily Charlene © 2025, All Rights Reserved.
Block 1 (ATSC 231) Exam Questions
and Answers 100% Pass
Which type of aircraft category of operation had the highest percentage of weather related accidents? -
✔✔Part 91.
Most weather related accidents under Part 91 operations resulted from? - ✔✔Wind.
The National Transportation Safety Board (NTSB) Part 830 defines an aircraft accident anytime a person
on-board an aircraft experiences a minor injury. (T or F) - ✔✔False.
NTSB 830.2 Aircraft Accident Definition. - ✔✔Any person suffers serious injury or death. Or in which the
aircraft receives substantial damage.
Most weather related accidents under Part 135 operations resulted from? - ✔✔Visibility and Ceiling.
Most weather related accidents under Part 121 operations resulted from? - ✔✔Turbulence.
Most Part 91 weather-related accidents cause what type of injury? - ✔✔None.
Most Part 91 weather-related accidents occur during what time of day? - ✔✔Daylight.
Weather related aircraft accidents have been increasing over the period 2003 to 2007 according to the
ASIAS study. (T or F) - ✔✔False.
Private pilots Part 91 weather-related accident rate peaks at how much flight time? - ✔✔150 - 175 Hours.
Emily Charlene © 2025, All Rights Reserved.
, 2|Page
________________________ is a systematic approach to the mental process used by aircraft pilots to
consistently determine the best course of action in response to a given set of circumstances. -
✔✔Aeronautical Decision Making.
Which organization's primary responsibility is to understand and predict changes in the Earth's
environment and conserve and manage coastal and marine resources to meet our nation's economic,
social and environmental needs? - ✔✔National Oceanic & Atmospheric Administration (NOAA).
Which organization's primary responsibility is to provide weather data, forecasts and warnings for the
protection of life and property? - ✔✔National Weather Service (NWS).
Which organization's primary responsibility is to provide a wide variety of national and international
weather guidance products to everyone through nine specialized centers for analyzing and forecasting? -
✔✔National Center for Environmental Prediction (NCEP).
Which organization's primary responsibility is to issue aviation weather products for the airspace over
Alaska and adjacent coastal waters? - ✔✔Alaskan Aviation Weather Unit (AAWU).
Which organization is a multi-purpose, local weather forecast center which primary responsibility is to
produce public and aviation weather forecasts and weather warnings for its area of responsibility? -
✔✔Weather Forecast Office (WFO).
Which organization is located at ARTCCs, staffed by NWS meteorologists and their primary
responsibility is to provide timely weather consultation, forecasts and advice to managers and
controllers? - ✔✔Center Weather Service Unit (CWSU).
Which organization's primary responsibility is to issue products through ADDS in support of FAA air
traffic controllers and the National Airspace System? - ✔✔Aviation Weather Center (AWC).
Emily Charlene © 2025, All Rights Reserved.
