What it approves
Installation of spraymat ice protection system on L-188 propeller spinner, Hamilton Standard P/N 553546, replacing Hamilton Standard heater blanket.
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 ROBERT W. MURRAY 24196 Zancon Mission Viejo, California 92692 Part 4b of the Civil Air Regulations. *certification basis set forth in Type Certificate 4A22 Original Product Type Certificate Number :
4A22
Lockheed
L-188 Description of Type Design Change : Installation of an ice protection system on L-188 propeller spinner, Hamilton Standard P/N 553546, replacing Ham ilton Standard Heater blanket in accordance with Montgomery Systems Tech Inc. drawing no. 80000, Revi sion A, February 2, 1981, or later FAA approved revision.
Limitations and Conditions: The approval of this change in type design applies to the basic L-188.
This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is de termined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect on the airworthiness of those 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.
Date of application : December 1, 1970
Date of issuance : March 10, 1971
Date reissued : February 23, 1983, August 31, 2006, December 20, 2011
Date amended : February 23, 1983, August 31, 2006
( Signature) Haifa Haj-Eid Supervisor, Technical and Administrative Support Staff Los Angeles Aircraft Certification Office ( Title)
NOTE:
DO NOT DELETE THIS PAGE.
DO NOT ADD ANY DATA TO THIS PAGE.
THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.
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 |
|---|---|---|
| December 20, 2011 | Reissued, current | Certificate |
| August 31, 2006 | Amended, current | Certificate |