Aircraft Owners and Pilots Association Protecting Your Freedom to Fly

Safety Quiz

AOPA Air Safety Foundation

ASI Safety Quiz

Wing Contamination

Ice, frost, and snow can accumulate on wings and other surfaces when an aircraft is parked outside on the ramp. The disrupted airflow can substantially alter flight characteristics. Do you know what to look out for on preflight? A basic knowledge of wing contamination and its effects will help you manage the risks of your next cold-weather flight.

1. Over a recent 10-year period, wing contamination by snow, frost, or ice was responsible for more than 30 aircraft accidents.

2. According to the FARs, how much snow, frost, or ice may be present on a light GA aircraft prior to takeoff?

3. According to wind tunnel testing, ____ percent of a wing's total lift may be lost due to very small particles (1 to 2 mm in diameter) adhering to its surface.

4. Who is responsible for ensuring that snow, frost, or ice is removed from an aircraft?

5. What is the best action a pilot can take to minimize wing contamination by snow, frost, or ice?

6. The NTSB recommends which of the following preflight actions with regard to wing contamination?

7. Using a deicing solution during preflight to remove all snow, frost, and ice accumulation from the wings and fuselage ensures that your aircraft is safe for flight.

8. Which of the following products can be applied to the wings and fuselage as a deicer?

9. Due to its liquid state, rain should not concern pilots flying below a cloud layer.

10. During cold-weather operations, visually inspecting the aircraft's wings should be part of a pilot's before-takeoff checklist.