Vocation revision Time..

Why do modifications need to be evaluated for continuing airworthiness?

i. Changes can be affect the previous certification.

ii. Ensure original OEM design meets airworthiness requirement.

iii. Ensure modification does not affect safety of the aircraft.

iv. Ensure that material used for the modification is suitable for its intended purpose.

• i & ii

• i, iii & iv

• iii & iv

• All of the above

When is an RSAF aircraft considered airworthy and fit for flight?

• It is airworthy as long as the OEM is a reputable one and it continue to be operated by many other users with little or no mishaps.

• It is airworthy if it has fulfilled its initial design airworthiness certification.

• It is airworthy if it has fulfilled its initial design airworthiness certification and continues to be maintained and operated in its intended operating regime and is fit and safe for flight in its intended mission.

• It is considered airworthy if the aircraft has an APWG type certificate.

Which of the following are means to ensure continued airworthiness of the aircraft that the RSAF operates?

i. Stringent aircraft modification control through ASMC.

ii. Stringent software modification control through SMC.

iii. Maintaining the aircraft to required standard

iv. Procuring only authorized aircraft spares and equipment

v. Upgrading the aircraft to increase its mission capabilities

• ii & iii

• ii, iii & V

• i, ii, iii & iv

• i, ii, iv & v

Servicing instruction(s) are the technical instructions issued for

• urgent job

• not so urgent job

• compliance on a non-recurrent basis

• compliance on a recurrent basis

Which of the following is not the purposes of modification?

• improve safety, performance, reliability maintainability

• reduce operational cost

• meet new operational requirement

• meet urgent circumstance

The categories of Engineering Concessions are:

i. potential impact on safety or operations

ii. no potential impact on safety

iii. component life extension within the established allowable life extension limit.

iv. component exceeding the established allowable life extension limit & inspection procedures in L-29 manuals

• i, ii & iv

• ii, iii & iv

• i, ii, iii & iv

• i, iii & iv

When a component is required to be investigated by MAC, the investigating specialist flight will

• Attached the FAIR component investigation report by MAC with the component

• Attached the FAIR component investigation report by MAC and SAF 1431 with the component.

• Attached the FAIR component investigation report by MAC and SAF 1431 with the phase "Component for FAIR investigation" with the component

• Attached the SAF1431 with the component

Which of the following is the critical defect?

i. a defect which resulted to injury to personnel

ii. a defect which resulted to damage to weapon system

iii. a major defect which had a fleet wide implication

• i

• ii

• iii

• all of the above

A recurred defect for fighter aircraft is defined as

• A defect with the same symptom within the next 5 sorties

• A defect with the same symptom within the next 20 sorties

• A defect with the same symptom within the next 5 operating hour

• A defect with the same symptom within the next 20 operating hour

The fault tree construction process of

i. define the top event in a clear and unambiguous way

ii. insert immediate necessary and sufficient event causing the top event

iii. connect using AND or OR gate

• i

• ii

• iii

• All of the above