Welcome Back

Sign in to your PART66Online account

Forgot password?

Don't have an account? Register here

Q&A Forum

1124 questions found

Module 12. Helicopter aerodynamics, structures and systems

What does a Decca Navigation system operate on?

  • Low Frequency.
  • High Frequency.
  • Very High Frequency.
Jordi asking:

where is this question from? I have seen some questions and they are not from the pdf .

Module 12. Helicopter aerodynamics, structures and systems

Which part of the rotor disc produces the most lift during forward flight?

  • The mid-span portion.
  • The front portion.
  • The rear portion.
jan.grindheim asking:

Is the answer correct?

Module 15. Gas turbine engine

Fire detection systems which are routed through another zone

  • must be protected by the use of heat sinks.
  • must be protected from heat sources in the zone.
  • are not allowed.
vale asking:

Aren't the first and second sentence saying the same thing? Can some one find a reference pls?

Module 15. Gas turbine engine

Where do stress rupture cracks usually appear on turbine blades?

  • Across the blade root, parallel to the fir tree.
  • Across the leading or trailing edge at a right angle to the edge.
  • Along the leading edge, parallel to the edge.
vale asking:

The first 2 answers aren't saying the same thing?

Module 5. Digital techniques / Electronic instrument systems

On an EHSI in weather radar mode, a severe storm would be shown as

  • green areas with grey surrounds.
  • red areas with black surrounds.
  • blue areas with grey surrounds.
vale asking:

Please write your question here.

We use essential cookies to keep you signed in, plus anonymous analytics to understand how the site is used. Cookie-based analytics is set only with your consent. See our Privacy & Cookie Policy.