Subpart B - Maintenance

43.51 Persons to perform maintenance

(a) A person shall not perform maintenance on an aircraft or aircraft component unless:

(1) in the case of an aircraft below 2,700 kg MTOM not operated for commercial air transport, that person holds a current aircraft maintenance engineer licence and an appropriate type rating issued or validated under OTAR Part 66; or

(2) in the case of an aircraft not operated for commercial air transport and which is under the control of an OTAR Part 39 organisation, that person holds a current aircraft maintenance engineer licence and an appropriate type rating issued or validated under OTAR Part 66; or

(3) authorised by a maintenance organisation approved under OTAR Part 145 to perform maintenance and the maintenance is within the scope of that approval; or

(4) the person performs maintenance under the direct supervision of a person authorised to certify the release to service in accordance with the requirements of paragraph 43.101; or

(5) the person has been authorised by the Governor in a particular case.

(b) Notwithstanding the requirements of paragraph 43.51(a), the holder of a valid pilot’s licence may perform maintenance on an aircraft not exceeding 2,700 kg MTOM and not operated for the purpose of commercial air transport or aerial work as detailed in Appendix A.

(c) The initial and continuation training standards of persons performing maintenance shall be acceptable to the Governor and consist of:

(1) recent experience of being engaged in aircraft maintenance activity relevant to the scope of maintenance for a total of at least six (6) months within the last twenty-four (24) months; and

(2) successful completion of type specific training relevant to the maintenance conducted; or

(3) if the type specific training was not completed within the last thirty-six (36) months, completion of type specific continuation training within the last thirty-six (36) months.

43.53 Recording of overhaul

A person shall not state in any maintenance record document entry that an aircraft, airframe, engine, propeller or other aircraft component has been overhauled unless it has been:

(a) released to service by an appropriately approved organisation by an NAA identified in OTAR Part 21.25(a)(1); and

(b) supported by a release document in compliance with OTAR Part 21 Subpart K.

43.55 Non-destructive testing

(a) NDT inspections shall only be undertaken by authorised, trained and qualified personnel to standards accepted by an NAA identified in OTAR Part 21.25(a)(1); and

(b) All NDT inspections shall be undertaken to techniques approved or accepted by the applicable type design authority for the aircraft.

(c) Primary inspections shall not include the use of Dye Penetrant inspection techniques. Dye Penetrant techniques shall only be used in confirming visual indicators, unless:

(1) approved maintenance data require such an inspection technique; and

(2) maintenance personnel undertaking the inspection have been suitably trained and authorised.

43.57 Maintenance records

(a) Each person or organisation performing maintenance on an aircraft or component shall on completion of the maintenance task record:

(1) details of the maintenance activity including, where applicable, the identity of the inspection, any technical data used and the date of completion; and

(2) details of measurements or test results obtained, including the results of any ground or air tests; and

(3) for a component removal or installation:

(i) its description; and

(ii) its part number, serial, or batch number; and

(iii) the references to the applicable release documentation; and

(4) where applicable the location and the name of the facility where the maintenance was carried out.

(5) the details of certification, including the name of the person making the record and reference of the authorisation granted to him.

(b) The person or organisation performing the maintenance shall:

(1) record the details required by paragraph 43.57(a):

(i) legibly and by permanent means in the appropriate aircraft record acceptable to the Governor; or

(ii) in electronic coded form provided that this form allows for the preservation and retrieval of information in a manner acceptable to the Governor; and

(2) where worksheets or other associated maintenance records are used to document the detail of the maintenance task, make reference to those records in:

(i) the appropriate log book; or

(ii) a maintenance record acceptable to the Governor.

(c) Records shall be retained in a manner that protects them from environmental damage and hazards such as fire, floods and sabotage. Additionally in the case of electronic coded records, suitable and verifiable back up storage arrangements, acceptable to the Governor, shall be made.

43.59 Maintenance data

(a) The maintenance organisation or person performing aircraft maintenance shall hold and use applicable and current maintenance data in the performance of maintenance including modifications and repairs.

(b) Maintenance data acquired from an operator shall be verified against primary data control listings to establish its status of revision including that of any required supplements.


Change Information

  1. First Issue - published for information    June 2004
  2. Second Issue - published for information April 2005
  3. Third Issue – released for gazetting July 2005
  4. Fourth Issue April 2011
  5. Fifth Issue October 2013
  6. Sixth Issue January 2015
  7. Seventh Issue August 2017
  8. Eighth Issue February 2019

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