What it approves
Engines will be maintained IAW 'Maintenance or Reliable Engines(MORE) Program,' Rev 4, dated 8/16/95.
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.
United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate Number: SE000EN
This certificate issued to: MORE Company, Inc.
5395 Mountain Creek Court Reno, NV 89511 33 of Federal Aviation Regulations .
E4EA Make: Pratt & Whitney Canada Model: PT6A-21, PT6A-27, PT6A-28 Description of Type Design Change:
Instructions for Continued Airworthiness for the PT6A-21, PT6A-27 and PT6A-28 engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. Use of these Instructions for Continued Airworthiness provides for the extension of hot section inspection (HSI), and time between overhaul (TBO) intervals, and supersedes the need for compliance with the HSI and TBO intervals (Continued on page 3) Limitations and Conditions:
PT6A-21, PT6A-27 and PT6A-28 engines using this Supplemental Type Certificate will be maintained in accordance with Revision 6 of the Maintenance on Reliable Engines (MORE) Instructions for Continued Airworthiness, dated February 18, 2019. (Continued on page 3)
Date of Application: October 24, 1992
Date Reissued: October 4, 2022
Date of Issuance: May 13, 1993 Date Amended: December 22, 2000
Manager, ECO Branch, Section B
United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate Number: SE000EN
United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate
(Continuation Sheet) Number: SE000EN Description of Type Design Change (Continued):
defined in Pratt & Whitney Canada PT6A Service Bulletin Number 1803 latest revision.
The rotor component service lives defined in Pratt & Whitney Canada PT6A Service Bulletin Number 1002, latest revision, are to be complied with, and are not superseded by the module repair intervals defined in the MORE Program. 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, the holder shall give the other person written evidence of that permission.
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 3
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| October 4, 2022 | Reissued, current | Certificate |
| March 3, 2009 | Reissued, earlier issue | Certificate |