FAA – Import Validation:

These lists are used to categorize United Kingdom products/approvals seeking FAA validation - consult the FAA/UK Implementation Procedures for Airworthiness (IPA) for information on how to apply these lists.

For amendment pairs not identified in the SSD table, or for further information on the SSD and SEI lists, contact: 

Manager, Product Policy Management: Transport Airplanes & Engines Section, AIR-62A
1200 District Ave
Burlington, MA 01803

Significant Standards Differences (SSD)

Turbine Aircraft Engines

• Airworthiness Standards 14 CFR Part 33 vs. CS-E:
  • 14 CFR Part 33 Amendment 34 vs. CS-E Amendment 6
  • 14 CFR Part 33 Amendment 34 vs. CS-E Amendment 4
• Environmental Standards 14 CFR Part 34 vs. CS-34:
  • Fuel Venting and Exhaust Emissions 14 CFR Part 34 Amendment 5A vs. CS-E Amendment 2

Reciprocating Aircraft Engines, 14 CFR Part 33 vs. CS-E

• Airworthiness Standards:
  • 14 CFR Part 33 Amendment 34 vs. CS-E Amendment 6
  • 14 CFR Part 33 Amendment 34 vs. CS-E Amendment 4

Propellers, 14 CFR Part 35 vs. CS-P

• Airworthiness Standards:
  • 14 CFR Part 35 Amendment 9 vs. CS-P Amendment 2
  • 14 CFR Part 35 Amendment 9 vs. CS-P Amendment 1

Safety Emphasis Items (SEI)

Turbine Aircraft Engines

• Turbine Aircraft Engines Safety Emphasis Items, 14 CFR Part 33 vs. CS-E; and
• FAA Issues List

Reciprocating Aircraft Engines

• FAA Issues List

Propellers

• FAA Issues List

Areas for Further Technical Confidence Building (AFTCB)

Turbine Aircraft Engines

• List is available from UK CAA or FAA.

Reciprocating Aircraft Engines

• List is available from UK CAA or FAA.

Propellers

• List is available from UK CAA or FAA.

FAA – Export Validation:

UK CAA published lists to be used to categorize U.S. products/approvals seeking UK CAA validation – consult the FAA/UK Implementation Procedures for Airworthiness (IPA) for information on how to apply these lists.

• UK CAA Validation Lists