Aircraft Drawings Flashcards
What is meant by tolerance on an aircraft drawing?
The allowable plus or minus variation from the dimension given on the drawing.
What is meant by clearance on an aircraft drawing?
The amount of space, or separation, that is allowed between two components or parts.
What information is given in the title block of an aircraft drawing?
The name and address of the company who made the part, the name of the part, the scale of the drawing, the name of the draftsman, the name of the engineer approving the part and the number of the part (the drawing number).
How are dimensions shown on an aircraft drawing?
By numbers shown in the break of a dimension line.
How can you know that the aircraft drawing you are using is the most current version of the drawing?
By the number in the revision block and by the log of the most recent drawings.
How many views can there be in an orthographic projection?
Six.
How many views are used to show most objects in an aircraft drawing?
Three.
What is the purpose of a center line on an aircraft drawing?
This is the line that shows the center of the object in the drawing.
What is a fuselage station number?
The distance in inches from the datum, measured along the longitudinal axis of the fuselage.
Where is the title block normally located on an aircraft drawing?
In the lower right-hand corner of the drawing.
What is the purpose of a cutting plane on an aircraft drawing?
It shows where an object has been cut to allow an auxiliary drawing to be made. The arrows on a cutting plane show the direction the auxiliary drawing is viewed.
How is the alternate position of a part shown on an aircraft drawing?
By a thin line made up of a series of long dashes separated by two short dashes.
