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Each collection by its own date: when an AD took effect, an SDR’s difficulty date, an accident’s or incident’s event date.

Airworthiness directives · 8

AD 2013-20-15Tail Rotor Drive System · Erickson Air-Crane CH-54AThis AD applies to Sikorsky Model CH-54A helicopters, now under the Erickson Air-Crane Incorporated…Effective Dec 5, 2013AD 2012-23-11Rotorcraft Tail Boom · Erickson Air-Crane S-64FWe are adopting a new airworthiness directive (AD) for Erickson Air-Crane Incorporated (Erickson) Model S…Effective Jan 14, 2013AD 2013-23-07Main Rotor Blades · Erickson Air-Crane S-64E and S-64FThis AD applies to Erickson Air-Crane Incorporated (Erickson) Model S-64E and S-64F helicopters…Effective Dec 27, 2013AD 2011-21-12Rotating swashplate assembly · Erickson Air-Crane S-64FAirworthiness Directives; Erickson Air-Crane Incorporated Model S-64F HelicoptersEffective Dec 1, 2011AD 2012-26-06Main Rotor Drive System and Tail Rotor System · Erickson Air-Crane S-64F…64F helicopters, now under the Erickson Air-Crane Incorporated (Erickson) Model S-64F type certificate. This…Effective Apr 16, 2013AD 2023-11-07Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more…Helicopter Corporation","Erickson Air-Crane Incorporated DBA Erickson Air-Crane","Erickson Incorporated DBA Erickson Air-Crane…Effective Jun 22, 2023AD 2021-23-13HistoricalGround Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more…Helicopters Inc.","The Enstrom Helicopter Corporation","Erickson Incorporated DBA Erickson Air-Crane","Helicopteres Guimbal","Siam Hiller…Effective Dec 9, 2021AD 2022-22-12Nose/Tail Landing Gear Structure/Axle · Replacement crosstubes P/N D212-664 (Dart Aerospace STC SR01298NY)Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC, Leonardo S.p.a., and Various Restricted…Effective Nov 22, 2022