154. Definitions -(a) In this Part "Engineering and Inspection" refer to performance of all work necessary for ensuring airworthiness and safety of the aircraft, including overhaul, maintenance, modification, repair, replacement, manufacture, assembly, testing, treatment, inspection and certification.

(b) In this part, 'manual' refers to 'Operators' Maintenance System Manual' or 'Operators' Quality Control Manual' or any other manual covering such requirements as the case may be.

[Omitted by SRO No. 768 dated 2-4-1955,

reintroduced by GSR No. 1202 dated 23-7-1976 and

substituted by GSR No. 1005 dated 19-11-1983.]