CASA Part 66: Exploded Views in Aviation Assembly Drawings

What is the nominal size of a component?

The actual size of the component as annotated in the drawing or blueprint

What is the purpose of assigning tolerances to mating parts?

To allow for interchangeable parts and permit the replacement of individual parts

What is a system in terms of tolerance?

Two or more mating parts

What is geometric tolerance?

A note referring to specific conditions Signup and view all the answers

What is unilateral tolerance?

A type of tolerance where a target dimension is given along with a tolerance Signup and view all the answers

What is the difference between the maximum and minimum limits of basic or nominal size?

Tolerance Signup and view all the answers

What is the primary purpose of using a reference edge in aircraft drawings?

To minimize cumulative errors in measuring hole locations Signup and view all the answers

How are holes typically located on an aircraft drawing?

With reference to one corner of the part Signup and view all the answers

What is the advantage of writing dimensions perpendicular to the dimension lines?

It allows for easier reading of dimensions Signup and view all the answers

What is the primary reference tool for aviation maintenance engineers?

Manufacturer's Maintenance Manual Signup and view all the answers

What type of errors can occur when measuring holes from the centre of the adjacent hole?

Cumulative errors Signup and view all the answers

Why are manufacturer's manuals considered acceptable data?

Because they are provided by the aircraft manufacturer Signup and view all the answers

What is the primary goal of International Standards and ISO Standards?

To ensure materials, products, processes, and services are fit for their purpose Signup and view all the answers

What is the structure of the maintenance reference system divided into?

ATA 100 chapters Signup and view all the answers

How many national standards bodies are part of the International Organization for Standardization (ISO)?

Over 140 Signup and view all the answers

What is the purpose of international guidelines and standards in aviation maintenance?

To complement product or service requirements stated in company specifications Signup and view all the answers

What is the range of chapters in the maintenance reference system that provides detailed information on each subject?

Chapters 00 to 23 Signup and view all the answers

What is the role of the International Organization for Standardization (ISO) in aviation maintenance?

To publish international guidelines and standards Signup and view all the answers

What is the primary purpose of exploded view drawings in illustrated parts drawings?

To display every part in an assembly in their relative positions and expanded outwards Signup and view all the answers

Which type of sectional drawing illustrates simple items with no interior parts?

Revolved section Signup and view all the answers

What is the function of a cutting plane line in a removed section drawing?

To separate the object into two parts to show the internal shape Signup and view all the answers

What is the advantage of a half-sectional view drawing?

It allows the inside and outside of a part to be seen at the same time Signup and view all the answers

Which type of drawing is often used in assembly drawings and installation drawings?

Exploded view drawing Signup and view all the answers

What is the purpose of the reference number in an exploded view drawing?

To identify a part on the parts list Signup and view all the answers

What is the purpose of the Portable Maintenance Aid?

To assist aeroplane mechanics in digital troubleshooting Signup and view all the answers

Why was the ATA specification issued?

To correct the disuniformity among different publications Signup and view all the answers

How are the technical data of an aircraft's systems organised?

Into individual systems which are numbered Signup and view all the answers

What is the designation of the fire protection system under the ATA 100 specifications?

Chapter 26 Signup and view all the answers

What is the purpose of the subsystem numbering?

To provide a detailed breakdown of each system Signup and view all the answers

What is the result of the ATA specification?

Maintenance information for all transport aircraft is arranged in the same way Signup and view all the answers