What it approves
ONE ONLY STC Model G-44A S/N 1427, R/N N414U only - Installation of Stewart Warner cabin heater
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.
SA1103WE Widgeonworks LLC 1331 Saxon Dr #170 New Smyrna Beach, FL 32169 Part 4a Civil Air Regulations A-734 Gruman G-44A, S/N 1427, R/N N414U only The descriptivc data pertaining to this modification are not sufficient for duplication of the modification on any additional model G-44A aircraft. The approval of this change in type design is, therefore limited to S/N 1427, R/N N414U. No additional modifications of this type are to be approved solely by reference to this Supplemental Type Certificate or to the data submitted therefore.
(Limitations and Conditions continued on page 3 of 3) 08/19/1965 04/17/1978 04/29/1999 11/08/1965 ✔ Michael Linegang Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3 lnstallation of Stewart Warner cabin heater in accordance with McKinnon Enterprises Drawing Index entitled "Model 8259 Heater Installation" and dated Octohcr 21, 1965.
06/06/1984
SA1103WE 04/09/2026 3
SA1103WE 04/09/2026 Date of Reissue continued: January 29, 2004, October 5, 2004, October 6, 2009, November 30, 2009, August 4, 2010, April 09, 2026
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.
Operational Limitations: The following placard must be displayed in full view of the pilot
"To START HEATER:
1) TURN FUEL TO 'ON'.
2) TURN SELECTOR SWITCH TO EITHER FLIGHT OR GROUND, DEPENDJNG ON LOCATION OF AIRCRAFT.
3) OPERATE TEMPERATURE SWITCH FOR DESIRED TEMPERATURE REFLECTED ON TEMPERATURE lNDICATOR.
4) IN EXTREME COLD USE BOOST FAN BY TURNING BOOST FAN SW!TCH TO 'OY POSITION".
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ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Gulfstream American Corporation | G-44A | A-734 |
Every issue · 5
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| April 9, 2026 | Reissued, current | Certificate |
| August 4, 2010 | Reissued, earlier issue | Certificate |
| November 30, 2009 | Reissued, earlier issue | Certificate |
| October 5, 2004 | Reissued, earlier issue | Certificate |
| January 29, 2004 | Reissued, earlier issue | Certificate |