What it approves
Installation of Sky-Tractor Model200 Scavenge oil filter system.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
21 Federal Aviation (See Type Certificate Data Sheet No. A17SW for complete certification basis)
Installation of Sky-Tractor Model 200 Scavenge Oil Filter System in Air-Tractor Model AT-401 and AT-501 Aircraft with Pratt & Whitney Model R1340 Engines in accordance with Sky-Tractor Supply Company Drawing No. 200-G, Revision B, dated October 18, 1990, and Model 200 Scavenge Oil Filter Installation Instructions, no revision, dated April 18, 1983, or later FA A approved revisions.
1. Approval of this change in type design applies to the above 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 interrelationship between this change and any other previously approved modifications will introduce no adverse effect upon the airworthiness of these aircraft.
2. A copy of this certificate shall be maintained as part of the permanent records for the modified aircraft. Maintain filter in accordance with Sky Tractor Supply Spin On Oil Filter Kit Maintenance Instructions, no revision, dated November 29, 1990, or later FAA approved revisions
Airwolf Filter Corp.
12801 Hwy 75 North Okmulgee, OK 74447 A17SW Air Tractor AT-401, AT-501 October 30, 1990
May 29, 1991
March 9, 2018; May 1, 2018
(Signature) Roy E. Boffo Manager, Propulsion and Project Management Section Chicago ACO Branch
(Title)
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 2
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| May 1, 2018 | Reissued, current | Certificate |
| March 9, 2018 | Reissued, earlier issue | Certificate |