AC 120-76A

Historical

Advisory circular · Guidelines for the Certification, Airworthiness, and Operational Approval of Electronic Flight Bag Computing Devices

A newer version is currentThis is a historical version. AC 120-76E is the version in force, approved June 12, 2024.
Approved
March 17, 2003
Last reviewed
November 13, 2006
Cancels
AC120-76
Cancelled by
AC120-76B
Family
AC 120-76 · 6 versions
Revision
A
14 CFR parts
91

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 21, 2025.

Show pages 13–24
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Appendix A APPENDIX A.

EXAMPLES OF “TYPE A” ELECTRONIC FLIGHT BAG (EFB)

APPLICATIONS REQUIRING PRINCIPAL INSPECTOR (PI) APPROVAL

• Flight Operations Manuals (FOM)

• Company Standard Operating Procedures (SOP)

• Airport diversion policy guidance, including a list of Special Designated Airports and/or approved airports with emergency medical service (EMS) support facilities

• Operations Specifications (OpSpecs)

• Cockpit observer briefing cards

• Airplane Flight Manuals (AFM) and Airplane Flight Manual Supplements (AFMS)

• For smaller aircraft, Pilot Operating Handbooks (POH), including POH section IX supplements

• Aircraft performance data (fixed, non-interactive material for planning purposes)

• Airport performance restrictions manual (such as a reference for takeoff and landing performance calculations)

• Other aircraft performance data, including specialized performance data for use in conjunction with advanced wake vortex modeling techniques, land-and-hold-short operations (LAHSO) predictions, etc. (fixed, non-interactive material for planning purposes)

• Maintenance manuals

• Aircraft maintenance reporting manuals

• Aircraft flight log and servicing records

• Autopilot approach and autoland records

• Flight Management System/Flight Management and Guidance System problem report forms

• Aircraft parts manuals

• Service bulletins/published Airworthiness Directives, etc.

• Air Transport Association (ATA) 100 format maintenance discrepancy write-up codes

• Required VHF Omnidirectional Range (VOR) check records

• Minimum Equipment Lists (MEL)

• Configuration Deviation Lists (CDL)

• Federal, state, and airport-specific rules and regulations

• Airport/Facility Directory (A/FD) data (e.g., fuel availability, LAHSO distances for specific runway combinations, etc.)

• Noise abatement procedures for arriving and departing aircraft

• Published (graphical) pilot Notices to Airmen (NOTAM)

• International Operations Manuals, including regional supplementary information and International Civil Aviation Organization (ICAO) differences

• Aeronautical Information Publications (AIP)

• Aeronautical Information Manual (AIM)

• Oceanic navigation progress logs

• Pilot flight and duty-time logs

• Flightcrew required rest logs

• Flightcrew qualification logs (such as aircraft qualifications, Class II flightcrew qualifications, Category (CAT) III qualifications, high minimums logs, night currency logs, pilot-in-command (PIC) qualifications for special areas, routes and airports for part 121 certificate holders, and special airports qualifications)

• Captain’s report (i.e., captain’s incident reporting form)

• Flightcrew survey forms (various)

• Flight Attendant Manuals

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Appendix A

• EMS reference library (for use during medical emergencies)

• Trip scheduling and bid lists

• Aircraft’s captain’s logs

• Aircraft’s CAT II/CAT III landing records

• Antiterrorism profile data

• Hazardous Materials (HAZMAT)/oxidizer look-up tables

• Emergency Response Guidance for Aircraft Incidents Involving Dangerous Goods (ICAO Doc 9481-AN/928)

• Customs declaration and United States Department of Agriculture (USDA) agriculture inspection/clearance form

• Special reporting forms, such as near mid-air collision (NMAC) reports, National Aeronautics and Space Administration’s (NASA) Aviation Safety Reporting System (ASRS), bird and wildlife encounters, owner-initiated Service Difficulty Reports (SDR), etc.

• Incidents of interference to aircraft electronic equipment from devices carried aboard aircraft

• Current fuel prices at various airports

• Realistic training modules, including “PC at home” training applications, “off-duty” training materials review, and pre-flight “mission” rehearsals

• Check airman and flight instructor records

• Aircraft operating and information manuals (performance information, weight and balance, systems, limitations, etc.)

• Flight operations manuals including emergency procedures

• Airline policies and procedures manuals

• Aircraft Maintenance Manuals

• Title 14 of the Code of Federal Regulations (14 CFR)

• Look-up and completion of various reporting forms, e.g., company-specific forms, NASA’s ASRS reports, NMAC reports, wildlife strike and hazard reports, etc.

• Maintenance personnel sign-off of discrepancy form. (Maintenance discrepancy logs need to be downloaded into a permanent record at least weekly.)

• Flightcrew qualifications recordkeeping, including aircraft qualifications, CAT II/III, high minimums, landing currency, flight and duty time, etc.

• PIC currency requirements

• The Flight Attendant Manual

• Passenger information requests—some are directed to the gate or to the agent meeting the flight

(e.g., special meal requests, wheel chair requirements, unaccompanied minors, gate information for connecting flights, flights being held for connecting passengers, etc.)

• Cabin maintenance write-ups. (Maintenance discrepancy logs need to be downloaded into a permanent record at least weekly.)

• Approved electronic signature using public/private key technology (PKI)

Note: Other proposed applications should be submitted to the Aircraft Evaluation Group (AEG) for review.

Appendix B Page 1 (and 2) APPENDIX B.

EXAMPLES OF “TYPE B” ELECTRONIC FLIGHT BAG (EFB)

APPLICATIONS REQUIRING AIRCRAFT EVALUATION GROUP (AEG)

EVALUATION IN ADDITION TO PRINCIPAL INSPECTOR (PI) APPROVAL

• Takeoff, en route, approach and landing, missed approach, go-around, etc., performance calculations. Data derived from algorithmic data or performance calculations based on software algorithms.

• Power settings for reduced thrust settings

• Runway limiting performance calculations

• Cost index modeling

• Master flight plan/updating

• Interactive Plotting for Class II navigation

• Mission rehearsals

• Weight and balance calculations

• Maintenance discrepancy sign-off logs. (Maintenance discrepancy logs need to be downloaded into a permanent record at least weekly.)

• Cabin maintenance discrepancy reporting forms/location codes. (Maintenance discrepancy logs need to be downloaded into a permanent record at least weekly.)

• Non-interactive electronic approach charts in a pre-composed format from accepted sources

• Panning, zooming, scrolling, and rotation for approach charts.

• Pre-composed or dynamic interactive electronic aeronautical charts (e.g., en route, area, approach, and airport surface maps) including, but not limited to, centering and page turning but without display of aircraft/own-ship position.

• Electronic checklists, including normal, abnormal, and emergency. See the current version of Advisory Circular (AC) 120-64, Operational Use & Modification of Electronic Checklists, for additional guidance. EFB electronic checklists cannot be interactive with other aircraft systems.

• Applications that make use of the Internet and/or other aircraft operational communications (AOC) or company maintenance-specific data links to collect, process, and then disseminate data for uses such as spare parts and budget management, spares/inventory control, unscheduled maintenance scheduling, etc. (Maintenance discrepancy logs need to be downloaded into a permanent record at least weekly.)

• Weather and aeronautical data

• Cabin-mounted video and aircraft exterior surveillance camera displays

Note: Other proposed applications should be submitted to the AEG for review.

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Appendix C APPENDIX C.

TITLE 14 CFR REFEREN CES AND RELATED READ ING MATERIALS

1. TITLE 14 OF THE CODE OF FEDERAL REGULATIONS (14 CFR).

a. Airworthiness Regulations. These acceptable means of compliance refer to the applicable sections of 14 CFR parts 21, 23, 25, 27, and 29.

(1) Title 14 CFR § 21.303, subpart O;

(2) Title 14 CFR §§ 23.771, 23.773, 23.777, 23.1301, 23.1303, 23.1309, 23.1311, 23.1321,

23.1322, 23.1331, 23.1351, 23.1353, 23.1357, 23.1359, 23.1361, 23.1365, 23.1367, 23.1381, 23.1431,

23.1501, 23.1523, 23.1529, 23.1541, 23.1543, 23.1559, 23.1581, 23.1583, 23.1585;

(3) Title 14 CFR §§ 25.303, 25.305, 25.562, 25.625, 25.771, 25.773, 25.777, 25.789, 25.863,

25.1301, 25.1303, 25.1309, 25.1321, 25.1322, 25.1331, 25.1351, 25.1353, 25.1357, 25.1431, 25.1523,

25.1529, 25.1543, 25.1581, 25.1583, 25.1585, 25.1587;

(4) Title 14 CFR §§ 27.303, 27.305, 27.562, 27.625, 27.771, 27.773, 27.777, 27.863, 27.1301,

27.1303, 27.1309, 27.1321, 27.1322, 27.1351, 27.1353, 27.1357, 27.1523, 27.1529, 27.1543, 27.1581,

27.1583, 27.1585, 27.1587; and

(5) Title 14 CFR §§ 29.303, 29.305, 29.562, 29.625, 29.771, 29.773, 29.777, 29.863, 29.1301,

29.1303, 29.1309, 29.1321, 29.1322, 29.1331, 29.1351, 29.1353, 29.1357, 29.1431, 29.1523, 29.1529,

29.1543, 29.1581, 29.1583, 29.1585, 29.1587.

b. Operating Regulations. These acceptable means of compliance refer to the applicable sections of parts 91, 121, 125, and 135.

(1) Title 14 CFR §§ 91.9, 91.21, 91.103, 91.503, 91.605, 91.611;

(2) Title 14 CFR §§ 121.117, 121.133, 121.135, 121.137, 121.139, 121.141, 121.306, 121.549,

121.565, 121.571, 121.681, 121.683, 121.687, 121.689, 121.693, 121.695, 121.701, 121.709;

(3) Title 14 CFR §§ 125.23, 125.71, 125.73, 125.75, 125.204, 125.215, 125.323, 125.327,

125.383, 125. 403, 125.405, 125.407, 125.411; and

(4) Title 14 CFR §§ 135.21, 135.23, 135.63, 135.81, 135.83, 135.144, 135.179, 135.293.

2. FEDERAL AVIATION ADMINISTRATION (FAA) ADVISORY CIRCULARS (AC), ORDERS, POLICY STATEMENTS, AND TECHNICAL STANDARD ORDERS (TSO). ACs, Orders, Policy Statements, and TSOs may be obtained from the U.S. Department of Transportation, Subsequent Distribution Center, SVC-121.23, Ardmore East Business Center, 3341 Q 75th Avenue, Landover, Maryland, 20785.

a. ACs (current version).

• AC 00-62, Internet Communications of Aviation Weather and NOTAMS

• AC 20-110, Index of Aviation Technical Standard Orders

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Appendix C

• AC 20-115, Radio Technical Commission for Aeronautics, Inc., Document RTCA/DO-178B

• AC 20-140, Guidelines for Design Approval of Aircraft Data Communications Systems

• AC 21-33, Quality Assurance of Software Used in Aircraft or Related Products

• AC 21-35, Computer Generated/Stored Records

• AC 21-40, Application Guide for Obtaining a Supplemental Type Certificate

• AC 23.1309-1, Equipment, Systems, and Installations in Part 23 Airplanes

• AC 23.1311-1, Installation of Electronic Displays in Part 23 Airplanes

• AC 25-10, Guidance for Installation of Miscellaneous, Nonrequired Electrical Equipment

• AC 25-11, Transport Category Airplane Electronic Display Systems

• AC 25-16, Electrical Fault and Fire Prevention and Protection

• AC 25.1309-1, System Design and Analysis

• AC 25.1523-1, Minimum Flightcrew

• AC 25.1581-1, Airplane Flight Manual

• AC 27-1, Certification of Normal Category Rotorcraft

• AC 29-2, Certification of Transport Category Rotorcraft

• AC 91.21-1, Use of Portable Electronic Devices Aboard Aircraft

• AC 120-64, Operational Use & Modification of Electronic Checklists

• AC 120-71, Standard Operating Procedures for Flight Deck Crewmembers

b. FAA Orders, Policy Statements, and TSOs (current version).

• Order 8110.4, Type Certification

• Order 8150.1, Technical Standard Order Program

• Order 8260.3, United States Standard for Terminal Instrument Procedures (TERPS)

• Order 8300.10, Airworthiness Inspector’s Handbook

• Order 8400.10, Air Transportation Operations Inspector’s Handbook

• Order 8700.1, General Aviation Operations Inspector’s Handbook

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Appendix C

• Policy Statement No. ANM-99-2, Guidance for Reviewing Certification Plans to Address Human Factors for Certification of Transport Airplane Flight Decks

• Policy Statement No. ANM-01-03, Factors to Consider When Reviewing an Applicant’s Proposed Human Factors Methods for Compliance for Flight Deck Certification

• TSO-C113, Airborne Multipurpose Electronic Displays

• TSO-C153, Integrated Modular Avionics Hardware Elements

c. Other Documents.

• “Human Factors Considerations in the Design and Evaluation of Electronic Flight Bags (EFBs), Version 1: Basic Functions,” Chandra, Divya C., and Mangold, Susan J., DOT-VNTSC-FAA-00-22, September 28, 2000. The current version is available on the internet at: http://www.volpe.dot.gov/opsad/efb/

• “FAA and Industry Guide to Product Certification,” January 25, 1999. Available on the internet at: http://av-info.faa.gov/dst/CPIGUIDE.pdf

• “Human Factors for Flight Deck Certification Personnel,” Technical Report DOT/FAA/RD-93/5, July 1993. Copies may be ordered from the National Technical Information Service website at: http://www.ntis.gov/index.asp

d. Industry Documents (current version).

(1) Technical Standards Documents. These documents are available from RTCA, 1828 L Street, NW, Suite 805, Washington, D.C., 20036.

• RTCA/DO-160, Environmental Conditions and Test Procedures for Airborne Equipment

• RTCA/DO-178, Software Considerations in Airborne Systems and Equipment Certification

• RTCA/DO-199, Potential Interference to Aircraft Electronic Equipment From Devices Carried Aboard

• RTCA/DO-200, Standards for Processing Aeronautical Data

• RTCA/DO-201A, Standards for Aeronautical Information

• RTCA/DO-208, Minimum Operational Performance Standards for Airborne Supplemental Navigation Equipment Using Global Positioning System (GPS)

• RTCA/DO-233, Portable Electronic Devices Carried on Board Aircraft

• RTCA/DO-242A, Minimum Aviation System Performance Standards for Automatic Dependent Surveillance-Broadcast (ADS-B)

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Appendix C

• RTCA/DO-249, Development and Implementation Planning Guide for Automatic Dependent Surveillance-Broadcast (ADS-B) Applications

• RTCA/DO-254, Design Assurance Guidance for Airborne Electronic Hardware

• RTCA/DO-255, Requirements Specification for Avionics Computer Resource (ACR)

• RTCA/DO-257, Minimum Operational Performance Standards for the Depiction of Navigation Information on Electronic Maps

• RTCA/DO-260, Minimum Operational Performance Standards for 1090 MHz Automatic Dependent Surveillance-Broadcast (ADS-B)

• RTCA/DO-264, Guidelines for Approval of the Provision and Use of Air Traffic Services Supported by Data Communications

• RTCA/DO-267, Minimum Aviation System Performance Standards (MASPS) for Flight Information Service-Broadcast (FIS-B) Data Link

• RTCA/DO-272, User Requirements for Aerodrome Mapping Information

• RTCA/DO-276, User Requirement for Terrain and Obstacle Data

• RTCA/DO-282, Minimum Operational Standards for Universal Access Transceiver (UAT) Automatic Dependent Surveillance-Broadcast

(2) ARINC and Airlines Electronic Engineering Committee (AEEC) Documents. These documents are available from ARINC, 2551 Riva Road, Annapolis, Maryland, 21401-7465.

• AEEC 424-15, Navigation System Database

• AEEC 763-1, Network Server System

• ARINC 653, Avionics Application Software Standard Interface

• ARINC 660A, CNS/ATM Avionics, Functional Allocation and Recommended Architecture

• ARINC 661, Cockpit Display System Interfaces to User Systems

(3) Society of Automotive Engineers (SAE) Documents. These documents are available from SAE, 400 Commonwealth Drive, Warrendale, Pennsylvania, 15096-0001.

• ARP 4754, Certification Considerations for Highly Integrated or Complex Aircraft Systems

• ARP 4761, Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment