Aviation Maintenance Troubleshooting

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Questions and Answers

What is a defining characteristic of a small aircraft (rotary-wing)?

It has only one engine and is not of a type and model specified in the Part 42 MOS as a large aircraft. (correct)

It has more than one engine and is of a type and model specified in the Part 42 MOS as a large aircraft.

It is of a complex design and intended for personal use only.

It is intended for commercial use only.

What is the purpose of a Primary category aircraft?

For commercial use and passenger transportation.

For military and defense operations.

For cargo transportation and freight.

For pleasure and personal use only. (correct)

Who is permitted to perform preventive maintenance on a Primary category aircraft?

A qualified pilot-owner. (correct)

Any aviation technician.

Any licensed pilot.

Only a certified aircraft mechanic.

What type of Certificate of Airworthiness is issued to a Primary category aircraft?

Special Certificate of Airworthiness. Signup and view all the answers

What is the characteristic of a Standard category aircraft?

It operates under a Standard Certificate of Airworthiness. Signup and view all the answers

What type of aircraft is eligible for Primary category certification?

Aeroplanes, gliders, rotorcraft, manned free balloons, etc. Signup and view all the answers

What is the limitation of troubleshooting in avionic LRU changes?

Changes are only allowed in accordance with a published approved maintenance procedure Signup and view all the answers

What is a type-rated aircraft?

Aircraft with a specific model and engine type Signup and view all the answers

What is required to certify maintenance on a type-rated aircraft?

A type-rated aircraft licence Signup and view all the answers

What is type-rated aircraft training?

Training for a type-rated aircraft licence Signup and view all the answers

What is an example of a type-rated aircraft?

Boeing 747-400 fitted with Rolls Royce RB211 engines Signup and view all the answers

What organisation approves the course plan for type-rated aircraft training?

CASA Signup and view all the answers

What is a requirement for an individual or operator to comply with an AMC?

There is no requirement to comply with an AMC Signup and view all the answers

What is the purpose of Guidance Material?

To explain and amplify CASR policy intentions Signup and view all the answers

What is a category of aircraft engineer licence specified in Part 66 MOS?

Category A Signup and view all the answers

What is a type-rated aircraft licence?

An aircraft engineer licence that authorises certification of maintenance on specific types of aircraft Signup and view all the answers

Which of the following is a subcategory for maintenance on aeroplanes with turbine engines?

A1 and B1.1 Signup and view all the answers

What is the definition of a large aircraft (fixed-wing)?

An aircraft with a maximum take-off weight of more than 5700 kg or a type and model specified in the Part 42 MOS as a large aircraft Signup and view all the answers

What is a characteristic of a large aircraft (rotary-wing)?

It has more than one engine or is a type and model specified in the Part 42 MOS as a large aircraft Signup and view all the answers

What happens when an individual or operator proposes an alternative way of meeting the CASR requirements?

The proposal is subject to a separate assessment by CASA Signup and view all the answers

What is identified by grey shaded text in the Guidance Material?

GM guidance material example Signup and view all the answers

What is the definition of a small aircraft (fixed-wing)?

An aircraft with a maximum take-off weight of not more than 5700 kg and is not of a type and model specified in the Part 42 MOS as a large aircraft Signup and view all the answers

What is specified in the Part 42 Manual of Standards?

The definition of large and small aircraft Signup and view all the answers

What is the significance of the 5700 kg maximum take-off weight in the definition of large and small aircraft?

It is the maximum weight allowed for an aircraft to be considered small Signup and view all the answers

Who can provide maintenance certification if an indicator needs to be replaced due to a sensor feed failure?

Either a B1 or B2 licence holder Signup and view all the answers

What is required for a Category A licence holder to perform maintenance certification?

The person must have carried out the maintenance and it must be line maintenance of a kind mentioned in Appendix II of the Part 145 MOS Signup and view all the answers

Who can issue a CRS for subcategory maintenance?

A person who holds a Category A licence with the appropriate subcategory and carried out the maintenance Signup and view all the answers

What is required for a Category A licence holder to issue a CRS for subcategory maintenance if the maintenance was carried out by another person?

The other person must hold a Category A licence with the appropriate subcategory Signup and view all the answers

What type of maintenance must be performed for a Category A licence holder to perform maintenance certification?

Line maintenance Signup and view all the answers

What is required for a Category A licence holder to issue a CRS for subcategory maintenance?

The aircraft being maintained must be covered by the subcategory of licence held and the maintenance is line maintenance Signup and view all the answers

Study Notes

Troubleshooting

Involves avionic LRU changes, but not multiple changes unless in accordance with a published approved maintenance procedure (e.g. Troubleshooting Manual, Fault Isolation Manual procedure)

Type-Rated Aircraft

Defined as a particular type, or type and model, of large aircraft with a particular type of aircraft engine
Examples: Airbus A310 fitted with General Electric (GE) CF6 engines, Boeing 747-400 fitted with Rolls Royce (RR) RB211 engines
Small aircraft with a particular type of aircraft engine: PWC PT6 or Honeywell TPE331

Type-Rated Aircraft Licence

Aircraft engineer licence that authorises certification of maintenance on specific types of (type-rated) aircraft
Training for the rating delivered by a maintenance training organisation in accordance with a course plan approved by CASA

Aircraft Types

Large Aircraft

Defined as:
- Fixed-wing: MTOW > 5700 kg, or specified in Part 42 MOS as a large aircraft
- Rotary-wing: more than one engine, or specified in Part 42 MOS as a large aircraft
Examples: Airbus A310, Boeing 747-400

Small Aircraft

Defined as:
- Fixed-wing: MTOW ≤ 5700 kg, and not specified in Part 42 MOS as a large aircraft, or > 5700 kg and specified in Part 42 MOS as a small aircraft
- Rotary-wing: one engine, and not specified in Part 42 MOS as a large aircraft, or more than one engine and specified in Part 42 MOS as a small aircraft
Examples: PWC PT6 or Honeywell TPE331

Primary Category Aircraft

Simple design, intended for pleasure and personal use only
Meet the description defined in CASR 21.024
Qualified pilot-owner can perform preventive maintenance only on a primary category aircraft
Issued a Special Certificate of Airworthiness IAW Part 21

Standard Category Aircraft

Operating under a Standard Certificate of Airworthiness (CofA)
Applicants not required to comply with an AMC, but can propose alternative ways to meet CASR requirements

Guidance Material

Provides explanations and amplification of CASR policy intention
Should be read in conjunction with applicable CASR and AMCs
Identified by grey shaded text

Aircraft Engineer Licence

Issued in one or more of the following categories: Category A, Category B1, Category B2, Category C
Categories A and B1 may be endorsed with subcategories for maintenance on combinations of aeroplanes, helicopters, and turbine and piston engines
Examples of subcategories: A1 and B1.1 aeroplane turbine, A2 and B1.2 aeroplane piston, A3 and B1.3 helicopter turbine, A4 and B1.4 helicopter piston

Licence Privileges

Category A Licence Privileges

Perform maintenance certification for subcategory maintenance if:
- Carried out the maintenance, and
- Maintenance is line maintenance of a kind mentioned in Appendix II of the Part 145 MOS
Issue a CRS for subcategory maintenance if:
- Maintenance was carried out by that person, or
- Maintenance and its maintenance certification were carried out by another person who holds a Category A licence with the appropriate subcategory, and
- Maintenance was line maintenance of a kind mentioned in Appendix II of the Part 145 MOS, and
- Aircraft being maintained is covered by the subcategory of licence held

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Description

This quiz covers aviation maintenance procedures for troubleshooting, including avionic LRU changes and approved maintenance manuals.