Document ID: chunk:federal_register_of_legislation:F2025C00150:front:0:p7
Version: federal_register_of_legislation:F2025C00150
Segment Type: other
Provision Reference: 
Character Range: 17849–20897

test;
(F) as a daily, or manufacturer's equivalent, inspection, or as an extended diversion time operation (EDTO) pre-flight inspection;
(G) scheduled routine inspection of fibre-reinforced plastic composite structures — but not including an inspection in which specialised equipment is used, or in which repairs to the composite structure are carried out;
(H) inspection using an NDT method — but only if limited to liquid penetrant inspection using aerosol-packed materials; and
 (iii) subject to subparagraph 4A, the maintenance is not of an aircraft system or subset that is excluded from the licence.
       4A. For sub-sub-subparagraph 66.A.20 (a) 4. (ii) (F), despite any exclusions annotated on a licence, a daily or manufacturers' equivalent inspection also includes:
           (i) check of the condition and security of attachment of wiring, plumbing, parts and appliances; and
           (ii) maintenance of instrument, or electrical, parts and appliances forming part of the powerplant, mechanical or structural system, limited to:
            (A) external mechanical adjustments to facilitate correct operation of powerplant or mechanical or structural systems; and
            (B) replacement of instrument, or electrical, parts and appliances, connected by simple twist or terminal connectors — excluding instrument, or electrical parts and appliances, where maintenance involves functional tests and adjustments requiring the use of external specialised test equipment.
5. A person who holds a Category B1 licence endorsed with a subcategory may issue a certificate of release to service for aircraft covered by a subcategory endorsed on the licence, after maintenance of the aircraft, if the maintenance was not base maintenance carried out on a large aircraft;
5A. A person who:
           (i) on or before 30 June 2021, satisfied the requirements of each of repealed paragraphs 66.A.25 (i), 66.A.30 (f), and 66.A.45 (j) of this MOS; and
          Note   Repealed paragraphs 66.A.25 (i), 66.A.30 (f) and 66.A.45 (j) were repealed by the Part 66 Manual of Standards Instrument 2024 (No. 1).
 (ii) but for the repeal of regulation 31 would, thereby, have qualified for the issue of an aircraft maintenance engineer licence with the former engine category Group 1 or Group 2 rating, or the former airframe category Group 1, 2 or 19 rating; and
 (iii) on this basis, was issued with a Category B1 licence;
 may perform maintenance certifications and issue certificates of release to service for the following maintenance:
 (iv) all electrical maintenance on an aircraft fitted with a single generator and approved for V.F.R. operations only;
 (v) all instrument system maintenance for aircraft general instruments (but excluding RMI, inertial navigation and multi-axis autopilots) on an aircraft approved for V.F.R. operations only;
 (vi) periodic inspections for aircraft radio systems on an aircraft approved for V.F.R. operations only.
6. A person who holds a Category B2 licence may perform maintenance certification for Category