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Airframe and Powerplant Mechanic

Competency-Based Apprenticeship
Sponsoring Company:
Urban Institute
O*Net Code
Rapids Code
Req. Hours
Jul 16, 2021
Jul 16, 2021

Competency-Based Skills

10 skill sets | 57 total skills
Conducts extensive work on aircraft interior (systems) and exterior (sheet metal and composite aircrafts)
Repairs or replaces fuselage and empennage assembly
Repairs or replaces and assembles landing gear
Repairs or replaces and assembles control cables
Repairs or replaces and assembles engine/propeller exterior
Repairs or replaces and assembles fuel systems and batteries
Capably constructs aircraft covering and finishes (sheet metal and composite aircrafts)
Uses tools such as power shears, sheet metal brakes, and welders to construct coverings
Uses acetylene welding equipment, rivet gun, air and electric drills to construct finishes
Knows composite layup design, application and inspection
Understands repair patch theory, design, and construction, identifying corrosion and heat treatment application
Rebuilds or replaces airframe or its components
Replaces aircraft landing gear systems
Installs hydraulic, pneumatic, or electrical systems
Replaces cabin atmosphere control systems
Uses information to repair and replace engine equipment
Checks manuals for specifications needed to repair and replace reciprocating engines
Repairs and replaces turbine engines or electrical engines based on specifications outlined in manuals
Inspects the engine and checks manual for need to repair and replace equipment
Replaces worn or damaged fuel injectors, alternators, carburetors, superchargers, magnetos, etc. using hand tools, gages, testing equipment
Examines Powerplant for problems
Examines engine systems for cracked cylinders, oil leaks, sticking or burnt valves
Examines Instrument Systems, Fire Protection Systems, and Electrical Systems to determine need for repairs
Inspects turbine blades to detect cracks or breaks
Inspects fuel line and fuel injector
Tests aircraft or engine systems using test equipment
Uses and Ignition Analyzer to check engine functions
Uses compression checker to check engine
Uses distributor timer to ensure proper
Uses ammeter
Removes engine from aircraft and makes repairs
Performs operational check
Troubleshoots system
Removes engine from aircraft
Disassembles and inspects parts for wear, warping, or other defects
Makes repairs where necessary
Replaces defective parts
Reassembles and installs engine in aircraft
Uses non-destructive testing to identify internal component damage
Adjusts, repairs, electrical wiring, accessories, and instruments
Connects power and digital input/output wiring
Selects and appropriately connects sinking and sourcing inputs and outputs
Configures and connects a programming device to upload, download, and save a program
Changes preset timer and counter values and applies and removes forces from a program
Troubleshoots a machine or process by observing indicator lights and reviewing the software ladder diagram (relays, timers, and counters)
Adds a function to a machine or process that requires wiring of additional I/O and basic ladder logic programming
Troubleshoots by observing input and output conditions and monitoring the program in real time
Applies proper grounding techniques and identifies sources of electrical system opens and shorts
Properly installs and terminates wiring for low level analog signals
Inspects, services, repairs pneumatic and hydraulic systems or electrical systems
Locates a machine according to a print
Levels a machine (non-critical machines +/- 1/8")
Verifies circuit size and protection
Verifies proper voltage and phasing, grounding, and proper guards are in place
Installs proper mounts and raceways for adding a component (such as a sensor) or interlocking a machine
Properly sizes, installs, labels, and tests circuit conductors for adding a component or interlocking a machine
Properly lays out, cuts, drills, taps, and assembles a control station for an addition to a machine
Connects compressed air to a machine from a supply header and verifies proper air pressures and volumes for a machine
Adds pneumatic or hydraulic components and lines to a machine
Fabricates hydraulic lines
Aligns and adjusts shafts, motors, belts, and chains on a machine
Verifies proper operation of all safety devices and circuits on a machine and checks and verifies circuits on a machine
Checks, lubricates, and powers up a machine
Verifies proper current draw of a machine and machine operation according to a sequence of operation
Performs computerized systems maintenance
Inspects, repairs, and maintains computerized aircraft systems
Performs data downloads and software reloads

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