AVI 110 Airframe Maintenance - General

The General section of the Aviation Maintenance program introduces students to the fundamentals of aircraft maintenance. The units of study are aviation mathematics, mechanic privileges and limitations, aircraft drawing, maintenance publications, maintenance forms and records, aircraft physics, materials and processes, fluid lines and fittings, cleaning and corrosion, weight and balance, and ground operation and servicing.

Credits

15

Prerequisite

Prerequisite: SSC 100 or concurrent

See Course Syllabus

Course Number and Title:

AVI 110 Airframe Maintenance - General

Campus Location

  • Georgetown

Effective Date

2022-52

Prerequisites

Prerequisite: SSC 100 or concurrent

Course Credits and Hours

15 credit(s)

11 lecture hours/week

12 lab hours/week

Course Description

The General section of the Aviation Maintenance program introduces students to the fundamentals of aircraft maintenance. The units of study are aviation mathematics, mechanic privileges and limitations, aircraft drawing, maintenance publications, maintenance forms and records, aircraft physics, materials and processes, fluid lines and fittings, cleaning and corrosion, weight and balance, and ground operation and servicing.

Required Text(s)

Obtain current textbook information by viewing the campus bookstore - https://www.dtcc.edu/bookstores online or visit a campus bookstore. Check your course schedule for the course number and section.

Disclaimer

Attendance is governed by 14 Code of Federal Regulations (CFR) Part 147 and the policies of Delaware Tech as outlined in the college catalog.  Federal Aviation Administration (FAA) regulations require that all students must receive a minimum number of hours of instruction, in both classroom and lab, and that all missed time must be made up before the student is allowed to take the FAA written, oral, and practical exams.  Any conflict between school policies and FAA regulations in this matter, the FAA regulations shall take precedence.  Missed classes and/or make-up work should be coordinated with the instructor either before or immediately after any absence. 

Core Course Performance Objectives (CCPOs)

1.          Aviation Mathematics: Demonstrate understanding and proficiency of on-the-job applications of whole numbers, fractions, decimals, percentages, measurement, and operations with signed numbers. (CCC 2, 6; AFC PGC 2; PPC PGC 2; AVI PGC 2)

2.          Mechanic’s Privileges and Limitations: Demonstrate, through written and oral exams, the privileges and limitations associated with holding a Federal Aviation Administration (FAA) Airframe License. (CCC 1, 2, 4, 5; AFC PGC 1, 2; PPC PGC 1, 2; AVI PGC 1, 2)

3.          Aircraft Drawing: Identify and apply aircraft drawings and symbols as they relate to the performance of aircraft maintenance and repair. (CCC 1, 5, 6; AFC PGC 1, 2; PPC PGC 1, 2; AVI PGC 1, 2)

4.          Maintenance Publications: Identify and apply the appropriate maintenance publication for a given maintenance task, including the use of manuals, microfiche, and internet sources. (CCC 2, 5; AFC PGC 1, 2; PPC PGC 1, 2; AVI PGC 1, 2)

5.          Maintenance Forms and Records: Select and complete the appropriate maintenance publication for a given maintenance task in the performance of aircraft maintenance. (CCC 1, 2, 5; AFC PGC 1, 2; PPC PGC 1, 2; AVI PGC 1, 2)

6.          Aviation Physics: Demonstrate the principles of physics as it relates to aerodynamic flight and how these principles are applied to aircraft maintenance. (CCC 6; AFC PGC 1; PPC PGC 1; AVI PGC 1)

7.          Materials and Processes: Identify the appropriate materials and tools to be used in the performance of a given maintenance task or repair, as is designated by approved data. Use inspection methods, either visual or electronic as needed, to determine component airworthiness. (CCC 5; AFC PGC 1, 2, 3; PPC PGC 1, 2, 3, 4; AVI PGC 1, 2, 3, 4)

8.          Fluid Lines and Fittings: Fabricate and install fluid lines using the appropriate tubing, fittings, and tooling. (CCC 2, 5, 6; AFC PGC 1, 2, 3; PPC PGC 1, 2, 3, 4; AVI PGC 1, 2, 3, 4)

9.          Cleaning and Corrosion Control: Identify types of corrosion, and demonstrate methods in cleaning and corrosion prevention. (CCC 1, 2, 5, 6; AFC PGC 1, 2, 3; PPC PGC 1, 2, 3, 4; AVI PGC 1, 2, 3, 4)

10.       Weight and Balance: Weigh and balance an aircraft in accordance with the designed specification as it relates to a specific aircraft. (CCC 2, 3, 5, 6; AFC PGC 1, 2, 3; PPC PGC 1, 2, 3, 4; AVI PGC 1, 2, 3, 4)

11.       Ground Operation and Servicing: Perform ground servicing tasks as required by servicing specifications for a given aircraft, demonstrate safety procedure while working with and around moving aircraft, and the use of standard hand signals to direct aircraft movement. (CCC 1, 2, 3, 4; AFC PGC 1, 2; AVI PGC 1, 2)

 

See Core Curriculum Competencies and Program Graduate Competencies at the end of the syllabus. CCPOs are linked to every competency they develop.

Measurable Performance Objectives (MPOs)

Upon completion of this course, the student will:

1.    Aviation Mathematics: Demonstrate understanding and proficiency of on-the-job applications of whole numbers, fractions, decimals, percentages, measurement, and operations with signed numbers.

  1. Solve on-the-job applications involving whole numbers, fractions, decimals, and percentages.
  2. Calculate ratios and proportions, and use these to solve applied problems.
  3. Calculate conversions within and between the English and metric systems of measurement.
  4. Perform basic operations using signed numbers.
  5. Find areas and volumes of geometric figures.
  6. Solve right triangles using trigonometric functions.
  7. Solve advanced algebraic equations.

2.  Mechanic’s Privileges and Limitations: Demonstrate, through written and oral exams, the privileges and limitations associated with holding a Federal Aviation Administration (FAA) airframe license.

  1. Define repairsalterations, and modifications.
  2. Identify privileges and limitations for Repairman, Mechanic, and Mechanic holding an Inspection Authorization.

3.  Aircraft Drawing: Identify and apply aircraft drawings and symbols as they relate to the performance of aircraft maintenance and repair.

  1. Identify and draw the following identification lines: center, dimension, leader, break, phantom, sectioning, hidden, outline datum, cutting plane, and viewing plane.
  2. Draw to scale a registration number.
  3. Identify symbols and items found on a system schematic.
  4. Identify and explain the characteristics of charts, types of drawings, orthographic projections, and identify lines.
  5. Interpret various charts and graphs: electrical charts, brake-horsepower charts, fuel consumption charts, aircraft control cable tension/temperature charts, and engine horsepower/altitude charts.

4. Maintenance Publications: Identify and apply the appropriate maintenance publication for a given maintenance task, including the use of manuals, microfiche, and internet sources.

  1. Locate, select, and identify FAA Type Certificate Data Sheets for a given aircraft.
  2. Identify leveling and weighing information.
  3. Identify the gross weight and Center of Gravity (CG) range.
  4. Determine flight control movement.
  5. Determine the location of the Datum on a given aircraft.
  6. Define the following and reference the appropriate FAR number for: Technical Standard Order (TSO), Type Certificates, Supplemental Type Certificates, Airworthiness Certificates, special Flight Permits, Parts Manufacturer Approval (PMA), Production Certificate and Mechanic Certificates, FAA.
  7. Determine appropriate Airworthiness Directive relating to a specific aircraft and compliance status.
  8. Identify and comply with the appropriate maintenance manual for a given aircraft.
  9. Identify the appropriate parts manual to determine the correct part number for a given aircraft serial number specific part.
  10. Research appropriate documentation to determine limitations, torques, and clearances.
  11. Demonstrate the proper procedure to determine if a publication is current.

5.  Maintenance Forms and Records: Select and complete the appropriate documentation for a given task in the performance of aircraft maintenance.

  1. Explain the purpose of Code of Federal Regulations (CFR) and how they pertain to the aircraft maintenance technician.
  2. Identify and interpret the issuing number of an Airworthiness Directive (AD).
  3. Read and follow the instructions of an Airworthiness Directive.
  4. Determine compliance of an Airworthiness Directive.
  5. Use the appropriate Federal Aviation Regulations (FAR) to complete required documentation.
  6. Complete an FAA form 337.

6. Aviation Physics: Demonstrate the principles of physics as it relates to aerodynamic flight and how these principles are applied to aircraft maintenance.

  1. Demonstrate the property of buoyancy of liquids with the use of a hydrometer by measuring the specific gravity of various liquids.
  2. Explain the properties of matter and energy.
  3. Define the principles of work, power, and force.
  4. Define the relationship among force, area, and pressure in a fluid powered system.
  5. Define the principles as they relate to mechanical advantage found within the lever and pulley.
  6. Define the five aerodynamic forces which act upon an aircraft in flight: stress, tension, compression, torsion, bending, and shear.
  7. Define the principles of motion and Newton’s three laws which govern them.
  8. Define the principles that govern gas and fluid mechanics: Bayles’s Law, Charles’ Law, Dalton’s Law, Pascal’s Law, and Bernoulli’s Principle.

7.  Materials and Processes: Identify the appropriate materials and tools to be used in the performance of a given maintenance task or repair, as is designated by approved data. Use inspection methods, either visual or electronic as needed, to determine component airworthiness.

  1. Identify types of metallic and non-metallic materials through identification markings, and interpret what those markings indicate.
  2. Identify various types of hardware and fasteners through identification markings and what those markings indicate.
  3. Determine from charts the required torque used on a given threaded fastener.
  4. Identify the appropriate tooling for a given application and the appropriate use of those tools.
  5. Perform Non-Destructive Testing (NDT) by the use of: eddy current, dye penetrant, ultrasonic, and magnetic particle inspection methods.
  6. Identify the appropriate material, sizes, and braking strength of an aircraft control cable.
  7. Fabricate an aircraft control cable by installing the appropriate terminal ends and turnbuckles as specified in approved maintenance data.
  8. Demonstrate the proper methods of safety wiring various types of hardware.
  9. Properly install and remove a Heli-coil.

8. Fluid Lines and Fittings: Fabricate and install fluid lines using the appropriate tubing, fittings, and tooling.

  1. Determine the appropriate use of either ridged or flexible fluid lines.
  2. Interpret identification data located on either ridged or flexible lines.
  3. Identify the appropriate material for manufacturing a fluid line for a given application.
  4. Identify various fluid lines by their physical make-up whether they are low, medium, or high pressure lines.
  5. Determine proper installation of fluid lines.
  6. Fabricate a sleeve type hose assembly, a flared tube connection, a 90 degree bend, a beaded connection, a splice, and a high-pressure how connection.

9. Cleaning and Corrosion Control: Identify types of corrosion, and demonstrate methods in cleaning and corrosion prevention.

  1. Identify and perform both mechanical and chemical cleaning methods.
  2. Identify intergranular, pitting, filiform, and exfoliation corrosion.
  3. Identify areas that are most prone to various types of corrosion.
  4. Identify methods used to inhibit corrosion on aircraft structures and components.
  5. Identify methods used to minimize deterioration of aircraft tires due to exposure to oils and hydraulic fluids.

10. Weight and Balance: Weigh and balance an aircraft in accordance with the designed specification as it relates to a specific aircraft.

  1. Locate and interpret appropriate aircraft specifications.
  2. Determine what equipment is installed on a given aircraft as opposed to what is indicated on the aircraft’s equipment list.
  3. Position aircraft, jacks, and scales for aircraft weighing.
  4. Determine aircraft weight and measurements.
  5. Resolve issues related to weight and balance such as minimum fuel, allowable baggage or ballast weight, placement of additional equipment, and how it will affect the center of gravity.
  6. Complete all necessary documentation and placards or loading schedule as needed.

11.  Ground Operation and Servicing: Perform ground servicing tasks as required by servicing specifications for a given aircraft, demonstrate safety procedure while working with and around moving aircraft, and the use of standard hand signals to direct aircraft movement.

  1. Demonstrate safety procedures and practices related to working in a shop environment, flight line, and aircraft servicing.
  2. Obtain and follow the appropriate checklists for a given aircraft for servicing and engine run-up.
  3. Inspect and service aircraft tires, as needed.
  4. Prepare aircraft for run-up and function checks.
  5. Start engine equipped with either a float type carburetor or fuel injection.
  6. Secure an aircraft after engine run-up.
  7. Demonstrate the proper knots and tie-down procedures when securing an aircraft with conventional landing gear arrangement.
  8. Demonstrate the use of non-verbal communication methods such as standard hand signals.
  9. Identify various types of aviation fuels, their octane ratings, and types of contaminates.

Evaluation Criteria/Policies

The grade will be determined using the Delaware Tech grading system:

90-100 = A
80-89 = B
70-79 = C
0-69 = F
Students should refer to the Catalog/Student Handbook for information on the Academic Standing Policy, the Academic Integrity Policy, Student Rights and Responsibilities, and other policies relevant to their academic progress.

Core Curriculum Competencies (CCCs are the competencies every graduate will develop)

  1. Apply clear and effective communication skills.
  2. Use critical thinking to solve problems.
  3. Collaborate to achieve a common goal.
  4. Demonstrate professional and ethical conduct.
  5. Use information literacy for effective vocational and/or academic research.
  6. Apply quantitative reasoning and/or scientific inquiry to solve practical problems.

Students in Need of Accommodations Due to a Disability

We value all individuals and provide an inclusive environment that fosters equity and student success. The College is committed to providing reasonable accommodations for students with disabilities. Students are encouraged to schedule an appointment with the campus Disabilities Support Counselor to request an accommodation needed due to a disability. The College's policy on accommodations for persons with disabilities can be found in the College's Guide to Requesting Academic Accommodations and/or Auxiliary Aids Students may also access the Guide and contact information for Disabilities Support Counselors through the Student Resources web page under Disabilities Support Services, or visit the campus Advising Center.

Minimum Technology Requirements

Minimum technology requirements for online, hybrid, video conferencing and web conferencing courses.