Aircraft drawings Flashcards
Directions of water line
Horizontal Lines on the side view of a plane
Directions of Fuselage Station numbers
Lines that are vertical towards a side horizontal view of a fuselage.
Directions of Buttock Lines
Vertical lines beside the center line of a top view of a plane
Blueprints Definition
Reproduction process used in the past
The use of Symbols on a drawing
Symbols save the drafter much time and take up
less space which simplifies the drawing.
List or bill of materials
list of materials and parts necessary for fabrications or assembly of a component or system.
Sectional Drawings
A sectional drawing shows the internal construction of a part.
Detail Drawings
Detail Drawings gives complete information for the construction of a single part
Hidden lines
Hidden lines show the Hidden surfaces or features in the picture area
Cutting planes lines
lines that are used to indicate the plane in which a sectional view of an object is taken
Phantom Lines
Indicate the presence of another part or to indicate a parts alternate position
Orthographic Drawings
2d Drawings
Isometric drawings
3d drawings
2 components that make up an aircraft part number
1.Prefix
2.Suffix
What is Prefix
refers to the drawings or print where details of the part can be found
What is Suffix
is the engineering assigned or dash number used to identify the detailed item or release or assembly
The air bus drawing numbering system is based on the?
ATA 100
is the numbering system on aircraft drawing established by transport Canada?
NO
What part carries this number throughout its entire life
A drawing or part number
In DE Havilland 83210302-053 the 32 is taken from?
ATA System
names of 2 numbering systems that Boeing uses
Significant and non-significant numbering system
What does ATA Stand for
Air Transport Association of America
Manufacturer Manuals are acceptable for?
Data for repairs
Exploded view
is a drawing typically used in an illustrated parts catalog(IPC)
Schematic drawings are typically used in which manuals
Wiring manuals
manufacturers communicate with aircraft owners through
Service Bulletins
Service Bulletins are issued to to inform aircraft owners of?
of design defects, modifications, servicing changes or other information that may be useful in maintaining aircraft or components
What does MS stand for?
what does NAS stand for?
What does AN stand for?
MS: Military Standards
NAS: National Aerospace Standards
AN: Army Navy
Production Drawings are?
A group of engineering drawings used for the design and manufacture of an object or product.
Name four purposes that aircraft engineering drawings fulfill
1.specify tolerances
2.inspection criterion
3.permanent record of design
4.list of materials to purchase
5.record of standard used
What do some productions drawings not have
picture or illustration
Why would drafting standards affect how you would interpret a production drawing?
Older designs used standards and materials that are no longer available
One Advantage of computerized drawings
Immediate revision, less storage space, etc.
Where are productions drawings normally used
at the manufacture plant
Tool drawing is?
A drawing that is used to special tools for manufacture and maintenance
Installations drawings is?
installation drawing brings together sub-assemblies into the final product
Schematic diagram
used to explain a principle of operation, rather than to show the parts as they actually appear.
Where would you go to find information on the symbols that are used on an aircraft production drawing
Manufacture drawing room(drafting standards)manual
the visible edge of a part is shown by an?
Object line
Is an abbreviation considered a symbol?
Yes
What units of measurement are used in the measuring of angles
degree, decimal degrees, degree minutes and seconds
The abbreviation MLG stands for?
Main Loading gear
The most important factor regarding printing on a drawing is
Legibility
Orthographic drawing use?
engineering drawings used to illustrate an object
Picture planes in a multi view orthographic projections are at ?
90 degrees to one another
How many views are required to show an object
6 views
Pictorial 3d drawing is?
a drawing that shows the part as it would appear in a photograph
Isometric drawing, height, width and depth form a “Y” which are how many degrees from each other.
120 degrees
units of measurement in north America
Inches
Allowance
distance between the nominal dimension and the upper or lower limit
tolerance
the sum of positive and negative allowance or stated as total variation
The title block
Identifies the drawing by name and number
the revision block
lists the changes that have been incorporated into the drawing
the application block
Indexing the drawing and giving next assembly
An aircraft part number us made up of two parts
1st part: drawing number
2nd part: engineering assigned number
Charts and Graph do what?
keep complexes calculations
2 types of notes used on a drawing
general and local
The Base unit of measure on a metric drawing is the?
millimeters
Does title block contain general notes?
YES
List the areas of a production drawing
1.Title block
2.list of materials
3.notes
4.revision block
5.Application block
6.Picture area