# STC SE94WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Airwolf Filter Corporation, United States - Description: Installation of oil fitting(AN-823-5D) in rocker box cover. - Applied: May 5, 1978 - Status date: July 16, 2020 - Product: Engine - Certification basis: Part 21 - Data sheets: [TCDS E5CE](https://openairdocs.org/tcds/E5CE) - Certificate PDF: https://openairdocs.org/files/sha256/f5/90/f590894a7f66c599abbc4999ed7004f2adcbe744bf7c7affc4e91efe13f72009 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D81D08B03B479B3A8625871A005ED9BB.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SE94WE ## ADs that name it (0) None. ## Approved models (11) - Continental Motors IO-520-A ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-B ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-BA ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-C ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-D ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-E ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-F ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-J ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-K ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-L ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) - Continental Motors IO-520-M ([TCDS E5CE](https://openairdocs.org/tcds/E5CE)) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ Part of . SE94WE Airwolf Filter, Corp. 12801 Hwy 75 North Okmulgee, OK 74447 13* Civil Air E5CE Teledyne - Continental Motors IO-520-A, -B, -BA, -C, -D, -E, -F, -J, -K, -L and -M Installation of oil fitting (AN-823-5D) in rocker box cover in accordance with Walker Engineering Company Drawing List No. DLW-2031, Revision "A", dated May 8, 1978, or later approved FAA approved revisions. (See continuation sheet 3 of 3) 05/05/1978 September 28, 2001; December 20, 2017; July 16, 2020 06/14/1978 Jim Grigg Manager, Fort Worth ACO Branch, Compliance & Airworthiness Division Aircraft Certification Service 3 FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ SE94WE 3 SE94WE Date of Issuance: June 14, 1978 Date of Reissuance: July 16, 2020 This approval of this change in type design applies basically to the above listed models only. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. A copy of this STC must be included in the permanent records of the modified engine. *Certification basis is set forth on Type Certificate Data Sheet E5CE, Revision 19. -END- 3 3 ## Every issue (2) - July 16, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f5/90/f590894a7f66c599abbc4999ed7004f2adcbe744bf7c7affc4e91efe13f72009) - December 20, 2017: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/a6/8a/a68ae9395acba2cd92da16621e1187a1e5aeb4cc515e7383b102cb189990ea61) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.