STC SA1612WE

Supplemental type certificate · Walter E. Heller and Company

Holder
Walter E. Heller and Company · United States
Status
Current · Issued
Status date
February 21, 1968
Applied
February 21, 1968
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21
Data sheet
TCDSTC 551

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of Hamilton Standard Hydromatic Full Feathering Propellers 22D30-213/6533A-12, Propeller feather system, BT-13 oil cooler and cowling and modified oil tank.

What the certificate saysOCR

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

WE - 102 Federal Aviation Agency Supplemental Type Certificate Number 8A162 2WE This certificate issued to: Walter E. Heller and Company 210 West Seventh Street Los Angeles, California 90014 the tattere gitational Aero Bulletin TA.

TC 551

LOCKHEED 10A, N4886V, Serial No. 1130 Description of Type Design Change:

Installation of Hamilton Standard Hydromatic Full Feathering Propellers 22D30-213/6533A-12, Propeller feather system, BT-13 oil cooler and cowling and modified oil tank in accordance with Walter E. Heller and Company Report No. WEH-R31066.

LIMITATION OF APPLICABILITY. Data not suitable for reproduction of installation in other aircraft; therefore, it is satisfactory for Lockheed 10A, N4886V, Serial No. 1130 only. No additional modifications of this type are to be approved solely by reference to this Supplemental Type Certificate or to the data submitted therefor.

Date of Application: March 10, 1966 Date Reissued:

Date of issuas February 21, 1968 Date Amended:

By Direction of the Administrator (Signature inal Signed by AND TATE OS AN R. I. Lippia Chief, Aircraft Engineering Division (Title) 47 FAA FORM 8110-2 (1-66) 0052-657-6000

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
Lockheed Aircraft CorporationElectra 10-A (Army UC-36A; Navy R-20; and XR-20-1)TC 551