What it approves
Replacement of the original Pratt and Whitney PT6A-60A engines and propellers with Pratt and Whitney PT6A-67A engines and MT Propeller MTV-27-1-N-C-F-R(P)/CFR260-65b propellers
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.
SA02658LA Blackhawk Modifications LLC 7601 Karl May Drive Waco, Texas 76708 Part 23 Title 14 CFR A24CE Textron Aviation Inc.
300, 300LW, B300, B300C The installation should not be incorporated in any aircraft unless it is determined that theinterrelationship between this installation and any previously approved configuration will notintroduce any adverse effect upon the airworthiness of the aircraft. The approval of thismodification applies to the above noted airplane models only.
(See Limitations and Conditions Continued page 3) 10/03/2016 08/04/2026 08/17/2017 06/06/2018 07/11/2019 12/10/2025 for Manager, West Certification Branch 3 Replacement of the original Pratt and Whitney PT6A-60A engines and propellers with Pratt and Whitney PT6A-67A engines and MT Propeller MTV-27-1-N-C-F-R(P)/CFR260-65b or Hartzell HC-E5A-3A/NC10245B propellers in accordance with FAA approved Master Drawing List 200914-00 Rev. A dated May 23, 2017 or later FAA approved revision.
(See Description of Type Design Change Continued Page 3)
SA02658LA 08/04/2026 3
SA02658LA 08/04/2026 Description of Type Design Change Continued:
Instructions for Continued Airworthiness are contained in documents number 200914-30, Revision IR dated May 2017, or later FAA accepted revision.
A copy of this STC must be included in the permanent records of 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.
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ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 4
Every issue · 5
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| August 4, 2026 | Amended, current | Certificate |
| December 10, 2025 | Amended, earlier issue | Certificate |
| July 11, 2019 | Amended, earlier issue | Certificate |
| June 6, 2018 | Amended, earlier issue | Certificate |
| August 17, 2017 | Issued, earlier issue | Certificate |