Dart Aerospace Cargo Mirror STC #SH1031NE. 7. Dart Aerospace Quick Release Heli-Utility Basket & Quick Release Heli-Access-Step STC #SR02996NY. 8. Bristol Aerospace Wire Strike Protection System STC #SR00975AT. 9. Dart Aerospace Interior Trim Panels SIC #SR02726NY. 10. Aeronautical Accessories Skid Tubes STC #SR01697AT 11. Donaldson Filtra