# STC SA874NW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: MILMAN Engineering Inc, United States - Description: Installation of a smoke generating system. - Applied: August 13, 1979 - Status date: December 16, 2009 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS A21CE](https://openairdocs.org/tcds/A21CE) - Certificate PDF: https://openairdocs.org/files/sha256/1b/24/1b245dca0865c7d88b87b1fbc2214309e815c1a1f5098c48a53541b697022ae5 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9C198D0A627753928625769A007C902D.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA874NW ## ADs that name it (0) None. ## Approved models (1) - American Champion Aircraft Corp. 8KCAB ([TCDS A21CE](https://openairdocs.org/tcds/A21CE)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. United States of America Department of Transportation Federal Aviation Administration Supplemental Ogpe Certificate Number: SA874NW This certificate issued to: Milman Engineering Company, Inc. 19207 Guava Street SW Rochester, WA 98579 Part 23 of the Federal Aviation Regulations. Original Product -Type Certificate Number: A21CE Make: American Champion Aircraft Corp. (Previously Bellanca, Previously Champion) Model: 8KCAB Description of Type Design Change: Installation of a smoke generating system in accordance with Installation Instructions number RK-1010, or later FAA-approved revision. Limitations and Conditions: Approval of this change in type design applies to the above aircraft model only. This approval should not be extended to other aircraft of this model series unless the installer determines that the relationship between this change and any other previously incorporated approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate, Addendum number SA874NW, FAA-approved Airplane Flight Manual Supplement (AFMS), and Installation Instructions RK-1010, must be maintained as part of the permanent records for the modified aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. (See Continuation Sheet Page 3 of 3) Date of Application: August 13, 1979 Date Reissued: December 16, 2009 Date of Issuance: January 15, 1980 Date Amended: FEDERAL AVIATION otion of the Administrat TOMINIST RATION (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA874NW Milman Engineering Company, Inc. Sued: August 13, 1979 Reissued: December 16, 2009 Limitations and Conditions: continued: Supplemental Type Certificate ADDENDUM NUMBER SA874NW The conditions and limitations of Type Certificate Data Sheet Number A21CE apply except where superseded by the following: Supplemental Type Certificate Data Sheet, which is part of STC SA874NW, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Regulations. Supplemental Type Certificate HOLDER: Milman Engineering Company, Inc. BELLANCA 8KCAB (NORMAL AND ACROBATIC CATEGORY) AS MODIFIED BY STC SA874NW No change from Type Certificate Data Sheet (TCDS) A21CE, except: Placards: Place the following placards as designated: 1. Adjacent to the smoke oil fuse holder on the instrument panel; **5 AMP - SMOKE** 2. Adjacent to the smoke oil toggle switch on the instrument panel; **ON SMOKE OFF** 3. Adjacent to the smoke oil tank; **5.4 GALLON MAXIMUM** **USE CORVIS OIL** - END - **FAA FORM B110-2-1 (10-69) PAGE 3 OF 3 PAGES** ## Every issue (1) - December 16, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1b/24/1b245dca0865c7d88b87b1fbc2214309e815c1a1f5098c48a53541b697022ae5) --- 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.