AC 27-1B, Chg 1 2/12/03 (MANUAL IDENTIFICATION) CHAPTER 1
INTRODUCTION (Continued)
(3) The applicant did not audit the ICA to ensure it met the requirements specified in Appendix A of FAR JAR Part 27.
d. No determination of correct spelling, proper grammar, or accuracy of the information will be made by the FAA/AUTHORITY
e. FAA/AUTHORITY reviews and determines the acceptability ofICA. This ICA Template contains the requirements specified in Appendix A to FAR/JAR Part 27 and other items which are not specifically required by the FAR/JAR, but are needed to ensure that maintenance personnel have complete, correct, and current ICA.
f. Acceptance of the ICA is indicated by a signed and dated acceptance statement on the List of Effective Pages in the ICA.
2. MANUALS. The ICA must be in the form of a manual or manuals as appropriate for the quantity of data to be provided. Reference Appendix A, A27.2 (a).
3. CONTENT. The contents of the ICA must be prepared in the English language and must contain all items specified in Appendix A of Parts 27. Reference Appendix A, A27.3.
4. SCOPE.
a. Describe the scope of the ICA.
b. The scope normally includes the necessary information to carry out maintenance on the applicable rotorcraft or modification to a rotorcraft.
5. PURPOSE. Describe the purpose of the ICA.
6. ARRANGEMENT.
a. The applicant must provide a practical arrangement in the manual. Reference Appendix A, A27.2 (b).
b. The Introduction of the ICA should explain the manual arrangement and how to use it.
There is no requirement for any specific format or arrangement of the manual or manuals.
c. For standardization, we recommend using the ATA-100 numbering system and the format and content of this ICA Template.
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(MANUAL IDENTIFICATION) CHAPTER 1
INTRODUCTION (Continued)
d. The manual should not be in a mixed arrangement, i.e., a mixture of written text on both sides of a page and written text on one side of a page. The preferred method is written text on both sides of a page.
e. When there is no written text for a page, the page should contain the following statement:
THIS PAGE INTENTIONALLY LEFT BLANK The page should be identified in the same manner as the rest of the pages in the manual and the page listed in the List of Effective Pages.
7. SUPERSEDED DOCUMENTS. For Type Design Changes, the ICA should contain the following statement:
Superseded Documents: The information, procedures, requirements, and limitations contained in this Instructions for Continued Airworthiness for this type design change supersede the information, procedures, requirements and limitations contained in the rotorcraft's maintenance manual when the type design change is installed on the Type Certificate Holder's rotorcraft.
8. APPLICABILITY. The ICA should include the make, model, and serial number (if applicable) of rotorcraft to which the ICA apply.
9. DEFINITIONS. Some words or terms used in the ICA require defining in the Introduction.
AUTHORITY means another airworthiness authority that has adopted this ICA.
10. ABBREVIATIONS. Abbreviations used in the ICA should be listed with their words/terms in the Introduction of the ICA.
a. FAA/AUTHORITY = Federal Aviation Administration or another airworthiness authority
b. FAR = Federal Aviation Regulation
c. ICA = Instructions for Continued Airworthiness
d. JAR = Joint Airworthiness Regulations
e. LOAP = List of Applicable Publications
f. TDC = Type Design Changes
11. ACRONYMS. Acronyms used in the ICA should be listed with their terms in the Introduction of the ICA.
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AC 27-1B, Chg 1 2/12/03 (MANUAL IDENTIFICATION) CHAPTER 1 INTRODUCTION (continued)
12. SYMBOLS. Symbols used in the ICA should be listed with explanations in the Introduction of the ICA.
13. PRECAUTIONS. Precaution means a measure taken beforehand to prevent harm.
a. Any necessary precautions to be taken must be included in the ICA. Reference Appendix A, A27.3 (b)(3).
b. The following examples of precautions will differ due to the seriousness of the hazard or condition:
(1) WARNING: Could be a maintenance procedure, practice, condition, etc. that could result in personal injury or loss of life.
(2) CAUTION: Could be a maintenance procedure, practice, condition, etc. that could result in damage or destruction of equipment.
(3) NOTE: Could be a maintenance procedure, practice, condition, etc., or a statement which needs to be highlighted.
14. UNITS OF MEASUREMENT
a. The ICA contains units of measurements. These measurements could be instrument readings, temperatures, pressures, tolerances, limits, or torque values.
b. It is recommended the ICA contains both United States standard measurements and Metric measurement, for each measurement, tolerance, or torque value. A general conversion chart is not acceptable.
15. ICA FOR EACH ENGINE
a. The ICA must include ICA for each engine. Reference Appendix A, A27.1 (b).
b. ICA for type certificated engines are accepted by the FAA/AUTHORITY responsible for engines and could be included by reference in the applicant's ICA.
appropriate ANAtOr erify ed engines and prepaid by the applicant and submitted to
16. ICA FOR EACH ROTOR
a. The ICA must include ICA for each rotor. Reference Appendix A, A27.1 (b).
b. ICA for rotors is normally included in the rotorcraft ICA.
17. ICA FOR EACH APPLIANCE REQUIRED BY THIS CHAPTER
a. The ICA must include ICA for each appliance required by FAR/JAR.
Reference Appendix A, A27.1 (b).
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(MANUAL IDENTIFICATION) CHAPTER 1 INTRODUCTION (continued)
b. FAA/AUTHORITY-accepted ICA for an appliance could be included by reference in the applicant's ICA.
c. When an appliance is required to be installed by a TDC, or the appliance is required by FAR/JAR and the applicant must prepare ICA that is acceptable to the FAA/ AUTHORITY.
d. The FAA/AUTHORITY-accepted appliance ICA normally does not address interface information. The applicant should prepare information on how that appliance interfaces with the rotorcraft. Interface information should include appliance location, appliance attachment, if applicable the system(s) from which the appliance receives it electrical power, fluid fuel, oil, hydraulic, etc.), vacuum, pneumatic, etc., and how the appliance is controlled.
e. When the ICA for an appliance is not FAA AUTHORITY accepted, the applicant should prepare the ICA for that appliance which meets the requirements specified in Appendix A to FARJAR Part 27. The ICA for each appliance could be a stand-alone document or could be included in the applicant's ICA document for that IDC.
J. When an original appliance is replaced with a different appliance as part of the TDC, the applicant should prepare the ICA for that appliance which meets the requirements specified in Appendix A to FAR/JAR Part 27. A different appliance is one that has a different part number, or model number, or is made by the same manufacturer or different manufacturer.
g. As defined in FAR JAR Part 1, Appliance means any instrument, mechanism, equipment, part, apparatus, appurtenance, or accessory, including communications equipment, that is used or intended to be used in operating or controlling an aircraft in flight, is installed in or attached to the aircraft, and is not part of an airframe, engine, or propeller. Avionics equipment is an appliance.
NOTE: Some applicants may wish to include Amendment 18 to FAR/JAR Part 27 in the certification basis for their TDC and prepare the ICA for their TDC even though the certification basis for the rotorcraft does not require acceptance of the ICA by the FAA/AUTHORITY. These applicants will be required to obtain FAA/AUTHORITY acceptance for their ICA.
18. INFORMATION ESSENTIAL TO THE CONTINUED AIRWORTHINESS OF THE
ROTORCRAFT
a. If ICA are not supplied by the manufacturer of an appliance or product (engine or rotor), the ICA must include the information essential to the continued airworthiness of the rotorcraft. Reference Appendix A, A27.1(b).
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AC 27-1B, Chg 1 2/12/03 (MANUAL IDENTIFICATION) CHAPTER 1 INTRODUCTION (continued)
b. The applicant should include in their ICA the information necessary to service, maintain, and inspect the rotorcraft, its engines, rotors, and appliances, in an airworthy condition and ensure they meet type design. Appendix A to FAR/JAR Part 27 specifies minimum requirements.
The applicant determines the information essential to the continued airworthiness.
c. The information essential to the continued airworthiness of the rotorcraft its engines, rotors and appliances could be contained in the applicant's ICA, engine ICA, appliance ICA or other applicant-associated publications, i.e., overhaul manuals, illustrated parts catalog, or flight manual. Those ICA's and associated publications that are listed in the applicant's List of Applicable Publications (LOAP) constitute the information essential for continued airworthiness for that rotorcraft, its engines, rotors, and appliances or that TDC. The LOAP is contained in the Introduction section of the applicant's ICA. The LOAP should contain one of the following statements: The publications listed in the LOAP constitute the information essential for continued airworthiness for the rotorcraft" or "The publications listed in the LOAP constitute the information essential for continued airworthiness for the TDC."
19. REFERENCED INFORMATION
a. Appendix A to FAR/JAR Part 27 allows an applicant to refer to an accessory, instrument, or equipment manufacturer as the source of this information if the applicant shows that the item has an exceptional high degree of complexity requiring specialized maintenance techniques, test equipment, or expertise.
b. When the applicant has shown that the accessory, instrument, or equipment meets the requirements of 19a above, the manufacturer's information could be referred to as the source of the information. The information refers to those specified in Appendix A, Section A27.3, Contents, Paragraph (b)(1). The applicant has responsibility for securing authorization to use that information in their ICA.
c. The information is limited to scheduling for each of the accessories, instruments, and equipment that provides the recommended periods at which they should be cleaned, inspected, adjusted, tested, and lubricated. In addition, they could be the source of information for the degree of inspection, applicable wear tolerances, and work recommended at these periods.
d. The FAR/JAR allows an applicant to refer to Engine ICA and Appliance ICA, which are FAA/AUTHORITY-accepted, and the applicant's associated publications in the applicant's ICA.
See Introduction Section, Paragraph's 15, 16, and 17.
e. Any ICA or associated publications referenced in the applicant's ICA should be submitted with the applicant's ICA.
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(MANUAL IDENTIFICATION) CHAPTER 1
INTRODUCTION (Continued)
20. DISTRIBUTION
a. The ICA must include a program to show:
(1) Distribution of changes to the ICA made by the applicant.
(2) Distribution of changes to the ICA made by the manufacturer of the engine or engines, rotor or rotors, and appliances installed on the rotorcraft.
Reference Appendix A, A27.1 (c).
b. The introduction of the applicant's ICA should contain the procedure used to distribute changes to persons who maintain the rotorcraft or who have incorporated the TDC.
c. When the applicant has referenced FAA/AUTHORITY accepted publications in their ICA, the procedure used to ensure changes to those referenced publications are distributed to persons who maintain the rotorcraft or who have incorporated the TDC. The procedures should be explained in the introduction of the applicant's ICA.
d. ICA normally includes a procedure for making changes to the applicant's ICA. The introduction should include a description of the revision procedure. The procedure should contain information on the type of revisions, composition of the revision, revision control procedure, revision log page, updating procedure, and procedure for purchase of revisions and renewal of subscription.
21. ROTORCRAFT FEATURES
a. The ICA must include introduction information that includes:
(1) An explanation of the rotorcraft's features; and,
(2) Data to the extent necessary for maintenance and preventive maintenance.
Reference Appendix A, A27.3 (a) (1).
b. The ICA normally contain a description which includes:
(1) The explanation of the rotorcraft's features:
(a) General information about the rotorcraft features.
(b) Exterior features.
(c) Interior features including cockpit, and cabin.
(d) Other features.
c. A figure showing the features is helpful and does not require detailed explanation.
d. The data necessary for maintenance and preventive maintenance is normally described in the applicable chapter and is determined by the applicant.
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AC 27-1B, Chg 1 2/12/03 (MANUAL IDENTIFICATION) CHAPTER 1
INTRODUCTION (Continued)
22. CORRECTIONS TO ORIGINAL INSTRUCTIONS FOR CONTINUED AIRWORTHINESS
a. Any correction made to Draft Instructions for Continued Airworthiness prior to FAA/AUTHORITY acceptance should have the same revision number and date as the draft page originally submitted.
b. Changes or corrections made to ICA after FAA/AUTHORITY acceptance ofICA are considered to be a revision.
23. INDICATING CHANGES TO INSTRUCTIONS FOR CONTINUED AIRWORTHINESS The applicant could use any means to indicate changes to their ICA. The following is an example used in the ICA Template.
a. Any change to the ICA should be indicated as follows:
(1) Changes made to a line should be indicated by a vertical bar in the left margin next to the line.
(2) Changes made to a paragraph should be indicated by a vertical bar in the left margin next to the paragraph letter or number.
(3) Changes made to a complete page should be indicated by a vertical bar to the right of the page number.
b. Only revisions should contain change bars. Change bars are used to indicate changes for that revision. Previous change bars should be removed at the next revision.
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(MANUAL IDENTIFICATION) CHAPTER 4
AIRWORTHINESS LIMITATION SECTION
1. AIRWORTHINESS LIMITATIONS INFORMATION
a. The ICA must have in the principal manual a section titled "Airworthiness Limitations."
This section should be segregated and clearly distinguishable from the rest of the maintenance manual and contain:
(1) Each mandatory replacement time.
(2) Each structural inspection interval and related structural inspection procedure approved under §$ 27.571.
(3) A legible statement in a prominent location indicating that the Airworthiness Limitations section is FAA/AUTHORITY approved and specifies required maintenance and/or inspections. The exact, required wording of this statement is found in the FAR/JAR.
Reference Appendix A, A27.4
b. The Airworthiness Limitations Section will be evaluated and approved by FAA/AUTHORITY.
2. NO AIRWORTHINESS LIMITATIONS INFORMATION REQUIRED:
When the applicant's type design has no airworthiness limitations, the Airworthiness Limitations Section of the ICA should contain the following statement:
"No airworthiness limitations associated with this type design change."
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AC 27-1B, Chg 1 2/12/03 (MANUAL IDENTIFICATION)
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(MANUAL IDENTIFICATION) CHAPTER 5
INSPECTION REQUIREMENTS AND OVERHAUL SCHEDULE
1. INSPECTION REQUIREMENTS -
a. The ICA must include:
(1) The recommended period at which each part of the rotorcraft and its engine(s), auxiliary power unit, rotor(s), accessories, instruments and equipment shall be inspected.
Reference Appendix A, A27.3 (b)(1).
(2) The degree (scope) of the inspection for each part of the rotorcraft and its engine(s), auxiliary power unit, rotor(s), accessories, instruments and equipment. Reference Appendix 4, 427.3 (b)(1).
(3) An inspection program that includes the frequency and extent of the inspection necessary to provide for the continued airworthiness of the rotorcraft. Reference Appendix A,
427.3 (b) (1).
b. This chapter should contain a schedule of the interval for all inspections. The inspection intervals may be in cycles, hours, and/or calendar time.
c. In the introduction of this chapter, it should explain all required inspections and should include:
(1) The different type of inspections.
(a) Scheduled Inspections.
(b) Special Inspections.
(c) Conditional Inspections.
(2) An explanation of each inspection.
(3) A list of all inspections (daily, 300-hour, 600-hour, annual, special inspection, etc.).
d. This chapter should contain the scope of the inspection(s). It should also describe the intent of the inspection and should address at least the following:
(1) What the inspector should be looking for when inspecting the product or appliance.
(cracks, corrosion, delamination, dents, bends, wear, etc.)
(2) Location of the product or appliance to be inspected.
(3) Any special techniques required to inspect the product or appliance.
(4) Instructions to be followed when inspecting the product or appliance.
(5) Any tools or equipment required to accomplish the inspection of the product or
(6) The wear tolerances for a product or appliance when the inspection requires the product or appliance to meet a standard.
e. This chapter should contain an inspection program which contains an outline of the order of the inspections and instructions to be followed during the inspection and should include:
(1) General information such as:
(a) The title of the inspection.
(b) Aircraft information (registration number, serial number, total time in service).
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INSPECTION REQUIREMENTS AND OVERHAUL SCHEDULE (continued)
(c) General information about the inspection.
(d) Provide a block for the inspector or maintenance personnel to initial when each item has been inspected or action taken.
(e) Provide a signature line for the inspector and maintenance personnel to sign when the inspection has been accomplished.
(f) Provide a place to enter the date the inspection was completed.
(2) Pre-Inspection activities such as:
(a) Maintenance records review.
(b) Airworthiness Directive review.
(c) Overhaul and Life Limits requirements review.
(3) Maintenance Practices are associated with an inspection such as:
(a) Removal of cowling, panels, plates and covers to access items being inspected.
(b) Cleaning of the item to be inspected. Specify type and number of cleaning
(c) Specify tools and/or equipment required for the particular inspection, i.e., Torque wrench, Hydraulic unit, etc.
(4) The Inspection should include:
(a) Locate the items) to be inspected
(b) Identify what the inspector should be inspecting for (security, wear, damage, corrosion, etc.)
(c) Instructions specified for that inspection.
(a) Using the required Inspection techniques.
(e) Using tools and equipment specified for that inspection.
(f) Determine that the items) being inspected meet the airworthiness standard established for that product or appliance.
(g) Recording of inspection findings.
# NOTE: Most of the above information is normally contained in an inspection form which inspection personnel could copy and use.
(5) Type of action to be taken when inspected item is unsatisfactory.
(6 Post Inspection actions such as:
(a) Application of protective coatings removed for inspection.
(b) Servicing and lubrication requirements
(c) Installation of cowling, panels, plates and covers removed for inspection.
(d) Post inspection run up and system operation.
(e) Maintenance record entry.
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(MANUAL IDENTIFICATION) CHAPTER 5
INSPECTION REQUIREMENTS AND OVERHAUL SCHEDULE (continued)
f. If applicable this chapter should include any Special Inspection Techniques such as:
(1) Radiographic
(2) Ultrasonic
g. Inspection interval extension statement in the ICA is not acceptable to the FAA. For those airworthiness authorities that allow extensions, the following statement should be included in this chapter:
"Inspection interval extension may be used if approved by the airworthiness authority."
2. COMPONENT OVERHAUL SCHEDULE
a. The ICA must include:
(1) The recommended overhaul periods.
(2) Necessary cross-references to the Airworthiness Limitations Section.
Reference Appendix A, A27.3 (b)(1).
b. The Component Overhaul Schedule normally includes:
(1) Component's Part Number.
(2) Component's Nomenclature.
(3) Time Between Overhaul Interval in Hours or Calendar time.
c. Notes may be used to provide information about the requirements.
3. NO OVERHAUL REQUIREMENTS
a. When there are no overhaul requirements, the following statement should be included in Chapter 5 of the ICA.
"No component overhaul required for this type design."
4. INSPECTION EXAMPLE
a. To assist in preparing an inspection program, an Inspection Example is provided on the next page. We recommend making the Inspection Example an Appendix and last page of the ICA, so maintenance personnel can copy the Inspection Program, add the STC inspection to the rotorcraft's inspections, and use it to inspect the appliance.
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