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AD1 is an Aviation Machinist Mate 1st Class Petty Officer.

They hold the pay grade of E-6, which is the 6th highest

Enlisted pay grade. 1st Class Petty Officer is one rank above

2nd Class Petty Officer and one rank below Chief Petty Officer.

There duties are:

- maintaining and servicing aircraft engine, fuel and lubrication systems;

- handling and servicing aircraft ashore or aboard ship;

performing complete aircraft turboshaft/turboprop engine repair;

- determining reasons for engine degradation via spectrometric oil analysis tests;

- evaluating jet engine performance, using jet test cells for fixed turbojet engines;

- performing helicopter maintenance, installing and maintaining engines, drive accessories and gear boxes;

- performing propeller repairs.

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13y ago

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