# STC SA2324WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: ROBERT W. MURRAY, United States
- Description: Installation of spraymat ice protection system on L-188 propeller spinner, Hamilton Standard P/N 553546, replacing Hamilton Standard heater blanket.
- Applied: December 1, 1970
- Status date: December 20, 2011
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A22](https://openairdocs.org/tcds/4A22)
- Certificate PDF: https://openairdocs.org/files/sha256/a4/73/a4733f81176aae7e1a231b35665d72ca4a080167a0b37fd3dda53cea1d38ea38
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/46A51E532600D9368625797B0056F091.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2324WE

## ADs that name it (0)

None.

## Approved models (2)

- Lockheed Aircraft Corporation 188A ([TCDS 4A22](https://openairdocs.org/tcds/4A22))
- Lockheed Aircraft Corporation 188C ([TCDS 4A22](https://openairdocs.org/tcds/4A22))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can 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.**

## Every issue (2)

- December 20, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a4/73/a4733f81176aae7e1a231b35665d72ca4a080167a0b37fd3dda53cea1d38ea38)
- August 31, 2006: Amended, Current. [certificate](https://openairdocs.org/files/sha256/4d/21/4d21587236b7a24a1259f4f149a283faef3158418d7451410de2b3fc15c3da49)

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