EASA Part 66 : Maintenance Practice Questions
with verified answers
Question Number. 1. Mandatory Warning Plaques and symbols.
Option A. must be displayed on all flights.
Option B. must be displayed in the cabin only if they are legible.
Option C. need not be displayed if they are incorporated in the flight
manual. Ans✓✓✓ Correct Answer is. must be displayed on all flights.
Explanation. NIL.
Question Number. 2. Following a major defect the C of A.
Option A. is not affected, however may run out on a time basis.
Option B. will be invalidated and needs renewing.
Option C. Nothing will happen. Ans✓✓✓ Correct Answer is. is not
affected, however may run out on a time basis.
Explanation. NIL.
Question Number. 3. When storing parts you should use.
Option A. monitor the temperature.
Option B. silica gel.
Option C. place in a sealed container. Ans✓✓✓ Correct Answer is. silica
gel.
Explanation. CAAIP S Leaflet 1-8 2.2.3.
,Question Number. 4. ATA specification 100 is.
Option A. the procedures which must be complied with before an
aircraft can be given a Certificate of Airworthiness in the Transport
Category (Passenger).
Option B. the International standardization of maintenance manuals,
illustrated parts catalogues, overhaul and repair manuals, service
bulletins and letters.
Option C. the American FAA specification controlling the manufacture
of aluminium and its alloys. Ans✓✓✓ Correct Answer is. the
International standardization of maintenance manuals, illustrated parts
catalogues, overhaul and repair manuals, service bulletins and letters.
Explanation. Jeppesen A&P General Textbook 14-12.
Question Number. 5. An aircraft should carry at least the following
number of spare fuses:.
Option A. 10.
Option B. 3.
Option C. 3 or 10%, whichever is greater. Ans✓✓✓ Correct Answer is. 3
or 10%, whichever is greater.
Explanation. ANO Schedule 4.
Question Number. 6. Maintenance Schedules are issued.
Option A. in a folder with the operators name on the cover.
Option B. with an approval certificate by the CAA.
, Option C. by the operator with CAA approval. Ans✓✓✓ Correct Answer
is. by the operator with CAA approval.
Explanation. BCAR A/B 6-2 Para. 3.4.
Question Number. 7. After a mandatory inspection has been carried out
by a Licensed Engineer, what is issued.
Option A. a Certificate of Maintenance Review.
Option B. Certificate of Release to Service.
Option C. a Flight Release Certificate. Ans✓✓✓ Correct Answer is.
Certificate of Release to Service.
Explanation. NIL.
Question Number. 8. A hard time engine inspection involves.
Option A. replacement with a new or overhauled component.
Option B. an in-situ function test.
Option C. removal of an engine component, its inspection and refitting.
Ans✓✓✓ Correct Answer is. replacement with a new or overhauled
component.
Explanation. Leaflet 1-7 2.2.1.
Question Number. 9. Who approves Maintenance Manuals?.
Option A. The CAA.
Option B. The Department of Trade and Industry.
with verified answers
Question Number. 1. Mandatory Warning Plaques and symbols.
Option A. must be displayed on all flights.
Option B. must be displayed in the cabin only if they are legible.
Option C. need not be displayed if they are incorporated in the flight
manual. Ans✓✓✓ Correct Answer is. must be displayed on all flights.
Explanation. NIL.
Question Number. 2. Following a major defect the C of A.
Option A. is not affected, however may run out on a time basis.
Option B. will be invalidated and needs renewing.
Option C. Nothing will happen. Ans✓✓✓ Correct Answer is. is not
affected, however may run out on a time basis.
Explanation. NIL.
Question Number. 3. When storing parts you should use.
Option A. monitor the temperature.
Option B. silica gel.
Option C. place in a sealed container. Ans✓✓✓ Correct Answer is. silica
gel.
Explanation. CAAIP S Leaflet 1-8 2.2.3.
,Question Number. 4. ATA specification 100 is.
Option A. the procedures which must be complied with before an
aircraft can be given a Certificate of Airworthiness in the Transport
Category (Passenger).
Option B. the International standardization of maintenance manuals,
illustrated parts catalogues, overhaul and repair manuals, service
bulletins and letters.
Option C. the American FAA specification controlling the manufacture
of aluminium and its alloys. Ans✓✓✓ Correct Answer is. the
International standardization of maintenance manuals, illustrated parts
catalogues, overhaul and repair manuals, service bulletins and letters.
Explanation. Jeppesen A&P General Textbook 14-12.
Question Number. 5. An aircraft should carry at least the following
number of spare fuses:.
Option A. 10.
Option B. 3.
Option C. 3 or 10%, whichever is greater. Ans✓✓✓ Correct Answer is. 3
or 10%, whichever is greater.
Explanation. ANO Schedule 4.
Question Number. 6. Maintenance Schedules are issued.
Option A. in a folder with the operators name on the cover.
Option B. with an approval certificate by the CAA.
, Option C. by the operator with CAA approval. Ans✓✓✓ Correct Answer
is. by the operator with CAA approval.
Explanation. BCAR A/B 6-2 Para. 3.4.
Question Number. 7. After a mandatory inspection has been carried out
by a Licensed Engineer, what is issued.
Option A. a Certificate of Maintenance Review.
Option B. Certificate of Release to Service.
Option C. a Flight Release Certificate. Ans✓✓✓ Correct Answer is.
Certificate of Release to Service.
Explanation. NIL.
Question Number. 8. A hard time engine inspection involves.
Option A. replacement with a new or overhauled component.
Option B. an in-situ function test.
Option C. removal of an engine component, its inspection and refitting.
Ans✓✓✓ Correct Answer is. replacement with a new or overhauled
component.
Explanation. Leaflet 1-7 2.2.1.
Question Number. 9. Who approves Maintenance Manuals?.
Option A. The CAA.
Option B. The Department of Trade and Industry.
