STC SA2491NM

Historical

Supplemental type certificate · Hollingsead International Inc

Holder
Hollingsead International Inc · United States
Status
Historical · Surrendered
Status date
March 19, 2009
Applied
May 10, 1985
Product
Aircraft · Large Airplane
Certification basis
Part 25
Data sheet
TCDS4A26

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of a dual Litton LTN-211 VLF/Omega navigation system. (707-330C Series, S/N 20124)

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.

Number SA2491NM

This Certificate issued to Hollingsead International 7416 Hollister Avenue Goleta, CA 93117

Part 4b* of the Civil Air Regulations.

*Certification basis is set forth in Type Certificate Data Sheet 4A26 Original Product Type Certificate Number 4A26 Make : Boeing Model : 707-330C Series, Serial Number 20124 Description of Type Design Change: Installation of a Dual Litton LTN-211 VLF/Omega Navigation System in accordance with FAA approved Tracor Aviation DRAWING List No. DL-341-001, Revision "A", dated June 24, 1985. FAA approved Tracor Airplane Flight Manual Supplement No.

TA-CH-001, New Issue, FAA approved on September 6, 1985, is required as part of this installation.

Limitations and Conditions: The approval of this change in type design applies only to Boeing 707- 330C, Serial Number 20124. 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.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application : May 10, 1985

Date of issuance : September 11, 1985

Date reissued : August 12, 1991; July 11, 1995;

March 15, 1996; April 1, 1998; August 1, 2005

Date amended

( Signature)

Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

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 · 2

MakeModelData sheet
The Boeing Company7074A26
The Boeing Company707-300C Series4A26