The purpose of this revision is determination of differences training and checking from the HA-420 Advanced Performance Modification Group (APMG) to the HA-420 APMG S modification, and HA-420 Elite S to the HA-420 APMG S. Bullet points added to Special Emphasis Areas for landing procedures. In addition, changes have been made to the training, checking, and currency requirements from the HA-420 Elite to the HA-420 Elite II in Appendix 3, Differences Tables.

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

• Part 61, Certification: Pilots, Flight Instructors, and Ground Instructors.
• Part 91, General Operating and Flight Rules.
• Part 121, Operating Requirements: Domestic, Flag, and Supplemental Operations.
• Part 135, Operating Requirements: Commuter and On Demand Operations and Rules Governing Persons On Board Such Aircraft. 

AC 120-53, Guidance for Conducting and Use of Flight Standardization Board Evaluations.

This revision adds Appendix 9, Software Version 2.2 to 2.5 Upgrade, which incorporates software upgrades and fixes, Appendix 10, Global 8000 Upgrade, and Appendix 11, Runway Overrun Awareness and Alerting System (ROAAS).

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

• Part 61, Certification: Pilots, Flight Instructors, and Ground Instructors.
• Part 91, General Operating and Flight Rules.
• Part 121, Operating Requirements: Domestic, Flag, and Supplemental Operations.
• Part 125, Certification and Operations: Airplanes Having A Seating Capacity of 20 or More Passengers or A Maximum Payload Capacity of 6,000 Pounds or More; and Rules Governing Persons On Board Such Aircraft.
• Part 135, Operating Requirements: Commuter and On Demand Operations and Rules Governing Persons On Board Such Aircraft. 

AC 120-53, Guidance for Conducting and Use of Flight Standardization Board Evaluations.
AC 120-83, Flight Deck Observer Seat and Associated Equipment.

This is the original Air Resources Helicopters, Inc. UH-60A and UH-60L Flight Standardization Board Report (FSBR).

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

• Part 61, Certification: Pilots, Flight Instructors, and Ground Instructors.
• Part 91, General Operating and Flight Rules.
• Part 133, Rotorcraft External-Load Operations.
• Part 137, Agricultural Aircraft Operations

AC 120-53, Guidance for Conducting and Use of Flight Standardization Board Evaluations.