Chap3 Levelling Using The Plumb Bob Method Flashcards
What is the Plumb-Bob Method used for?
It is used for levelling an aircraft by adjusting supporting jacks until the plumb bob is directly above the levelling plate.
Where is the plumb bob suspended from?
It is suspended from a datum bracket located in the fuselage roof.
What does the plumb bob hang over?
It hangs over a levelling plate that is permanently attached to the fuselage floor.
What is the purpose of adjusting the supporting jacks?
To ensure the point of the plumb bob is directly above the point on the levelling plate.
What should trainees do during the exercise?
Trainees are to carry out an Aircraft Jack & Levelling using a Plumb Bob on a Lynx Exercise 12 under instructor supervision.
Is the exercise assessed?
No, it is not assessed.
What is referenced in the aircraft maintenance manual?
The procedure for levelling the aircraft using the plumb bob method.
