SAE A22 AND AC 20 135 REVISION STATUS

SAE A-22 AND AC 20 -135 REVISION – STATUS INTERNATIONAL AIRCRAFT SYSTEMS FIRE PROTECTION FORUM October 29 th, 2019 Phil Dang (Honeywell), John Ostic (Boeing) - Co-chairs

SAE A-22 Powerplant Fire Test and Flammability Committee formed in March 2018 to support FAA AC 20 -135 Update and Next Gen Burner In an effort to work with Industry on accepting the Next Gen Burner the FAA requested SAE to form the A-22 committee. While working on AC 20 -135 the FAA agreed to revise the AC to address several concerns Industry has for improvement. SAE INTERNATIONAL Paper # (if applicable) 2

SAE A-22 Committee objectives and Initial Program of Work The new AS 6826 fire test standards are intended to provide acceptable means of compliance to be recognized in a revision to the FAA AC 20 -135. * *similar example as AC 20 -155 A for Lightning Protection SAE INTERNATIONAL Paper # (if applicable) 3

SAE A-22 Committee Basics Current SAE roster lists 130+ participants Aviation Authorities from Brazil, Canada, China, Europe, and United States Airplane manufacturers Helicopter manufacturers Engine manufacturers Commodity manufacturers Component manufacturers Testing laboratories Universities Government standards and research organizations Industry consultants SAE Staff support Effort has been divided into 4 different working groups and 2 sub-groups to address different aspects of the testing standard Three face-to-face meetings in 2019, three planned for 2020 SAE INTERNATIONAL Paper # (if applicable) 4

SAE A-22 Committee Structure – 4 working groups established since May 2018 for AS 6826 Powerplant Fire Test Standards Development Group A AS 6826/2 Group B – AS 6826/3 D. Laborie (GE), P. Wittman (MRA Systems), A. Cirioli (Sikorsky) J. Ostic (Boeing), B. Ciero (Honeywell), M. Kelly (Resonate) • Temperature Calibration Method • Heat Flux Calibration Method • Temperature and Heat Flux instrumentation recommendation Group C – AS 6826/1 Group D – AS 6826/4 S. Pugliese (Airbus), J. Barter (Bombardier) • • P. Booth & G. Wozniak (Gulfstream) Standard Flame, Acceptable Burner Fire Test Guidelines, Panel Size, Material Thickness, Burner Position, Orientation, Applicable Regulations SAE INTERNATIONAL • Post Test Burning (Residual Flame) / Backside Ignition • Prescriptive Test Pass/Fail Criteria; Industry Examples • Installation Fire Safety Assessment, AIR 6828 Paper # (if applicable) • Fire Test Boundary Conditions • Vibration, Mechanical Loading, Pressure Differential, Backside Cooling, System Pressure/Temperature/Flow/Speed 5

SAE A-22 Committee Structure – Additional subgroups Subgroup – Composite Panel Testing Subgroup -TC Round-Robin Testing M. Kelly (Resonate) • B. Stewart (Spirit Aero) Completed - Industry testing of TCs size, type, and aging cycles to evaluate impact on temperature measurements • Completed - FAA / Spirit Aero baseline composite panel testing for evaluation of equivalent damage with NG Burner FAA Next Gen Burner Mods Review Tim Salter, Robert Ochs + GE, Resonate, • From Sept 4 th-5 th 2019 meeting – Review Industry (GE, Resonate, etc…) modifications applied to NG Burner for certification fire tests SAE INTERNATIONAL Paper # (if applicable) 6

AS 6826 Powerplant Fire Test Standards to update AC 20 -135 SAE INTERNATIONAL Paper # (if applicable) 7

SAE A-22 Fire Test Specification - Roadmap actions for AC 20 -135 Revision October 29 th, 2019 Update • March 2018 - Industry working sub-groups to continue as SAE A-22 committee based on FAA request of SAE • May 9 th & 10 th 2018 – Industry/FAA/EASA/TCCA Kick-off Meeting hosted by EASA (May 9 th) and SAE / Hilton (May 10 th) in Cologne, Germany • June 28 th 2018 - SAE A-22 committee telecom – go-forward with one fire test standard or specification and several sections, in support of AC 20 -135 revision • November 1 st and 2018 - SAE A-22 meeting in Atlantic, City hosted by FAA Tech Center • May 2019 at EASA, Cologne; September 2019 at Boeing (Arlington, VA) – SAE A-22 meetings • Oct 30 th-31 st - SAE A-22 meeting; 3 planned for 2020 (late February, mid-May, late October) • SAE AS 6826 Powerplant Fire Test Standards Draft Writing: June 2018 to November 2019 • Weekly or bi-weekly group leader telecoms with regulatory agencies’ participation • Document(s) for final SAE balloting approval: November 2019 to March 2020 • SAE document(s) publication: March – June 2020 • FAA Revision, AC 20 -135 Revision to reflect SAE document(s): June 2020 – December 2020 SAE INTERNATIONAL Paper # (if applicable) 8