STC SA8106SW

Supplemental type certificate · Dee Howard Co

Holder
Dee Howard Co · United States
Status
Current · Amended
Status date
November 26, 1996
Applied
February 2, 1990
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21
Data sheet
TCDS4A25

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

What it approves

Installation of Collins Dual-86U EFIS, Dual Air Data ADC-85, Autopilot Flight Director-Collins APS-85, LTN-92 INS, Sundstrand Mark VII GPWS (Windshear disabled), also including 3-axis flight control system, pitch rate cutout, and other modifications.

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.

$lniieb j&tatea of tEransjxirrialtcm - The Dee Howard Co.

P.O. Box 469001 San Antonio, TX 78246 jA&taitoit QLerttftcate SA8106SW SA0448AC-T RMR-150 4b Civil Air See STC Certification Basis for additional requirements 4A25 McDonnel Douglas DC-8-71; DC-8-71F; DC-8-73; DC-8-73F Installation of Collins Dual-86U EFIS, Collins Dual Air Data ADC-85, Autopilot Flight Director-Collins APS-85, LTN-92 INS, Sundstrand Mark VII GPWS (Windshear disabled), also including 3 -axis flight control system, pitch rate cutout, and other modifications per Dee Howard Master Drawing List 000 "UPS DC-8 Cockpit Modernization Modification dated 4/22/96 or later FAA approved revision.

.- Maintainability of the High Intensity Radiated Field (HIRF) protection must be assured for the critical systems in accordance with DHC Report No. Rl 14-27, Revision D, dated May 5, 1992, of later FAA approved revision. For the DC-8-71/71F, FAA approved Airplane Flight Manual Supplement (AFMS) dated March 4, 1992, or later FAA approved revision is required. For the DC-8-73/73F, FAA approved Airplane Flight Manual Supplement (AFMS) dated May 29, 1992, or later FAA approved revision is required. Compatibility of this modification with previously installed equipment must be determined by installer.

.• February 02, 1990 September 13, 1991 . 3/05/92, 5/29/92, 11/26/96 /•VMichele Owsley Airplane Certification Office Southwest (Title)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) iCily, Stale, and <JP code) from (Name oj grantor) (Print or type) (Address of grantor) ( Wumher and street ) ( Ci/v. Slale. and ^JT code) Extent of Authority (if licensing agreement): _ Date of Transfer:.

Signature of grantor (In ink):

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 · 4

MakeModelData sheet
McDonnell Douglas CorporationDC-8-714A25
McDonnell Douglas CorporationDC-8-71F4A25
McDonnell Douglas CorporationDC-8-734A25
McDonnell Douglas CorporationDC-8-73F4A25