What it approves
Installation of the Mark II performance system, including recontoured wing leading edge, recontoured flap leading edge, wing vortex generator removal, installation of wing stall strips and other minor refinements.
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.
This certificate issued to: AVCON Industries, Inc 714 N. Oliver Road Newton, KS 67114-9444
Part 25 of the Federal Aviation Regulations.
Original Product - Type Certificate Number: A10CE Make: Learjet, Inc Model: 25, 25A, 25B, and 25C
Description of Type Design Change: Installation of the Mark II performance system, including recontoured wing leading edge, recontoured flap leading edge, wing vortex generator removal, installation of wing stall strips and other minor refinements in accordance with Avcon Master Drawing List No. 1081 dated November 16, 2010, or later FAA approved revision. 350 Knowt Vmo authorized if equipped in Avcon Master Drawing List No. 1081 dated November 16, 2010, or later FAA approved revision. A FAA approved airplane flight manual supplement is required for each model.
Limitations and Conditions: 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 to alter the product, the holder shall give the other person written evidence of that permission. A copy of this Certificate and Addendum No. SA225NW shall be maintained as part of the permanent records for the modified aircraft.
Date of application: March 10, 1975
Date of issuance: October 16, 1975
Date reissued: September 08, 2005; June 03, 2010;
November 16, 2010
Date amended: May 07, 2001; May 07, 2001
Original signed by Grant E. Youngdahl
( Signature) Grant E. Youngdahl Program Manager Wichita Airplane Certification Office
(Title)
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 · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| November 16, 2010 | Reissued, current | Certificate |
| September 8, 2005 | Reissued, earlier issue | Certificate |