# STC SA1290NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Collins Aviation Service, United States
- Description: Installation of a McCauley 3A32C76S-M/S82NB-2 propeller on a Continental IO-520-BA engine
- Applied: July 9, 1981
- Status date: August 14, 1981
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/ed/35/ed356084091b84aa45de78e6f7e606156fbd5baafc2e6e05d81a6c20298da297
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0E32056A3E1ED0BA86257A3A0064A938.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1290NW

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2290NW This cerlificute, iued le COllins Aviation, INC.

Certifies that the change in the type design for the fillaving fruct with the limitutions and conditions therefer waspecified horon mets the nimurthiness requirements f Purt O3 f the Civil Air Keyulations: , November 13, 1945.

Original Product -Typeterificate Aunter A-771 Make: Beech Auld: E35 (as modified by stc SA867NW*) Lescription /Гурі Twyn Change: Installation of a McCauley ЗАЗ2C765-M/S82NB-2 propeller on a Continental IO-520-BA* engine in accordance with Collins Aviation, Inc.

photographs 1 and 2.

NOTE: 1. *This engine is installed by STC SA867NW This installation requires 48 pounds of fixed ballast at the 165 inch station.

Limitations andfundilina: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Beech E35, Serial Number D-3797 only. A copy of this Certificate, Addendum No.

SA1290NW, and FAA Approved Airplane Flight Manual Supplement dated August 14, 1981, shall be maintained as part of the permanent records for the modified aircraft.

Luis of afplication July 9, 1981 Sule wissud:

Date of Issuance: August 14, 1981 Date Amended:

FEDERAL AVIATION Chief, Seattle Area Aircraft TOMINIST RAT OS Certification Office Title

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) August 14, 1981 Number SA129ONW Supplemental Type Certificate ADDENDUM NO. SA1290NW The conditions and limitations of Type Certificate Data Sheet Number A-777 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA1290NW, prescribes the conditions and limitations under which the STC was issued meets the airworthiness requirements of the Civil Air Regulations.

Supplemental Type Certificate HOLDER: Collins Aviation, Inc.

BEECH E35, 4PCLM (NORMAL CATEGORY) AS MODIFIED BY STC SA1290NW Engine: Continental I0-520-BA (STC SA867NW) Engine Limits: 285 Hp @ 2700 rpm (Takeoff, 1 minute), full throttle 2600 rpm (Maximum Continuous) full throttle Fuel: 100LL or 100 minimum octane aviation gasoline Propeller and McCauley 3A32C76S-M/S82NB-2 Propeller Limits: Diameter: 80" maximum; 76" minimum

-NA FORM B110-2-1 (10-69) PAGE 3 OF A PAGES C FAA AC 73-2651

August 14, 1981 STC Addendum No. SA1290NW lacard: The following placard must be installed in full view of the pilot:

ADDITIONAL BALLAST PERSONS ON BOARD MAXIMUM FUEL LOAD REQUIRED (STA. 140) PILOT ONLY MAINS - FULL 30 LB.

**AUXILIARY - FULL**

**TIPS - FULL PILOT, FRONT PASSENGER MAINS - FOLL 60 LB.**

**AUXILIARY - FULL TIPS - 6 1/4 GAL. EACH**

**PILOT, FRONT PASSENGER MAINS - FULL NONE**

ONE REAR PASSENGER AUXILIARY - FULL TIPS - 6 1/4 GAL. EACH PILOT, FRONT PASSENGER MAINS - 10 GAL. EACH NONE TWO (2) REAR PASSENGERS AUXILIARY - EMPTY TIPS - 6 1/4 GAL. EACH

**NOTE OTHER LOADINGS REQUIRE FURTHER COMPUTATION**

- END - Page 4 of 4 Pages

## Every issue (1)

- August 14, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ed/35/ed356084091b84aa45de78e6f7e606156fbd5baafc2e6e05d81a6c20298da297)

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