# STC SA2478WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: R-S Sales Inc., United States - Description: Installation of automatic flagman Model 5A - Applied: April 22, 1971 - Status date: August 27, 2001 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2) - Certificate PDF: https://openairdocs.org/files/sha256/58/0c/580c798704f983ad807b4d149af4d7c75af47efa0003cb1a7461cc32416533e4 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CC2CA6274CDDAF6986257A2B006D4D23.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2478WE ## ADs that name it (0) None. ## Approved models (7) - Piper Aircraft Inc. PA-18 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-125 (Army L-21A) ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18A ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18A-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-19 (Army L-18C) ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. United States of America Book Department of Transportation Federal Aviation Administration Sent to Conne Supplemental Type Certificate Number: SA2478WE This certificate issued to: R-S Sales, Inc. 170 O'Connor Road Lewiston, ID 83501 Part 21.25 of the Federal Aviation Regulations. Original Product -Type Certificate Number: 1A2 Make: Piper Model: PA-18, -18A, -18 "125", -18 "135", -18 "150", -18A "150", and PA-19 Description of Type Design Change: Installation of Automatic Flagman Model No. 5A, in accordance with North American Industries, Inc., Drawings 112 and 118, and Installation Instructions No. 18-1000. Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer, that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate 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. Date of Application: April 22, 1971 Date Reissued: 07/03/80; 04/02/86; 08/27/01 Date of Issuance: February 14, 1972 Date Amended: 07/03/80; 08/27/01 FEDERAL AVIATION By Direction of the Administrator an (Signature) HO MINIST RA TOT Acting Manager, Seattle Aircraft Certification Office (Title) ## Every issue (1) - August 27, 2001: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/58/0c/580c798704f983ad807b4d149af4d7c75af47efa0003cb1a7461cc32416533e4) --- 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.