STC SA1977SW

Supplemental type certificate · A D Howard Jr

Holder
A D Howard Jr · United States
Status
Current · Issued
Status date
May 6, 1975
Applied
April 21, 1975
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDS2A4

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

What it approves

Modification of fuselage for installation of doppler antenna.

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.

Bnfttd $tatu of amnira Bepartmtnt of lEransportarion —federal Stoiation administration Supplemental t^pe Certificate LStf&tda&frrtAr.

SA1977SW A. D. Howard Jr.

6817 NW 43rd Street Bethany, Oklahoma 73008 3 PJpiatmad • Jrvduc£ —— .

Project A3218SW-S Civil Air Rockwell 680FL, 680FL(P), 680T, 680V, 680W. 681, 685, 690, 690A Modification of fuselage for installation of doppler antenna according to Drawing List 61269, Savision B, dated 5/7/75.

This doppler antenna Installation is applicable only with forward camera installation of STC SA135SSW or SA15S43W, v- : Jipril 21, 1975 Kay 6, 1975 dntiwH^ Don P. Watson Chlaf, Engineering and Manufacturing Branch -___ ' A ny alteration of this certificate » punishable by a fine of not exceeding II ,000, or imprisonment not exceeding 3 years, or both.

This ctitificatt may bt tnaafmtd jn accordance with FAR 21 .17.

F*>Fo«J**l !Q-

I NS'I Rl C | |ON>1 1 he lran-.li-r emlursemrnl lirtuw may IIP used lo notify ihi- appropriate FAA Regional Office of I he Irjnsler nt this Snpjjlrmrntal ]\\n Ci-nihraTe. t .

'['hi- I A A will n'issue I h< i crdficaii1 m the name of" the transferee and forward ii m him. \

TRANSFER ENDORSEMENT Transfer ilie ownership of Supplemental Type Certilicate Number to (Name nftransfmt) $ of trim \jetec).

Vunibrr and Ififrt I Cilf, .'tlalr, anil from (Name of grantor) (Print or type).

(Address of grantor) ^ .\umbt' and ft'rft I (Cill, Mali, anil ^11' rtdt) Extent ol Authority (if licensing agreement):

Signature of grantor (In ink):.

C FAA AC 89-5S3G

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 · 9

MakeModelData sheet
Twin Commander Aircraft LLC680-FL2A4
Twin Commander Aircraft LLC680-FL(P)2A4
Twin Commander Aircraft LLC680-T2A4
Twin Commander Aircraft LLC680-V2A4
Twin Commander Aircraft LLC680-W2A4
Twin Commander Aircraft LLC6812A4
Twin Commander Aircraft LLC6852A4
Twin Commander Aircraft LLC6902A4
Twin Commander Aircraft LLC690A2A4