STC SH7853SW
FAA DRS lists SH7853SW as Current · Reissued, held by World Wide Helicopters Inc., for Bell Helicopter Textron (Canada) 222, Bell Helicopter Textron (Canada) 222B, and Bell Helicopter Textron (Canada) 222U. Recorded change: Installation of two Allison Model250-C30G engines. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of two Allison Model250-C30G engines.
SH7853SW identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Bell Helicopter Textron (Canada) 222, Bell Helicopter Textron (Canada) 222B, and Bell Helicopter Textron (Canada) 222U. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Bell Helicopter Textron (Canada) 222 and Bell Helicopter Textron (Canada) 222B, and 1 more aircraft configuration model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related other aircraft modifications STCs
Installation of a cockpit hydraulic replenishing system. See 15F-2044 Chg. B, 9F-4813 Chg. C, 6F-8140 Chg. C, 6F-8130 Chg. B, 3F-9025 Chg. A, 3F-9022, 3F-9023 Chg. A, IF-9882, 6F-8141 Chg. C. COA-2-1534 (ERs 1 - 4), App. V(UAL) to AFM SM-23889, App. IV (UAL) to AFM SM-23891, App. VII(UAL) to AFM LB-30582 or later FAA approved revisions.
FAA holder: United Airlines Inc
Modification of R. H. forward lounge as described by United Air Lines Approved Drawing List No. COA 2-2450 dated March 4, 1965, or later FAA approved revisions.
FAA holder: United Airlines Inc
Modifies the aircraft to install a one way check valve in the yaw damper actuator hydraulic return port. The installation is in accordance with DAS-1-WE Approved United Air Lines Drawing List No. 00007 dated June 1, 1995, or later approved FAA revisions.
FAA holder: United Airlines Inc
Modifies the aircraft to install a Sony 980-9900-001 Audio Reproducer Unit. The installation is in accordance with DAS-1-WE Approved United Air Lines Drawing List No. 00010 dated August 29, 1995, or later FAA approved revisions.
FAA holder: United Airlines Inc