STC SR01821SE

Number SR01821SE

This certificate, issued to Precise Flight, Inc.

63354 Powell Butte Road Bend, OR 97701

Part 27 of the Federal Aviation Regulations.

Original Product⎯Type Certificate Number: H10WE Make: Robinson Helicopter Company Model: R22, R22 Alpha, R22 Beta, R22 Mariner

Description of the Type Design Change: Installation of High Intensity Discharge (HID) aviation lighting system manufactured in accordance with Precise Flight, Inc., Engineering Drawing List 020H0000, Rev. C, or later FAA-approved revision. Installed in accordance with Precise Flight, Inc., Engineering Drawing List 590H0000, Rev. B, or later FAA-approved revision. Maintained in accordance with the Instructions for Continued Airworthiness Precise Flight, Inc., Document 590HMAN0002, Rev. A, or later FAA-approved revision or document.

Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft 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 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 rotorcraft.

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: May 22, 2007 Date reissued:

Date of issuance: March 3, 2008 Date amended: May 2, 2008

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)