# STC SA2680SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Javelin Conversions Inc., United States
- Description: Installation of turbocharged Lycoming IO-720-B1BD engines, Hartzell HC-F4YR-2RUF/FC7663DB-4R propellers and increase of maximum takeoff and landing weight to 6825 lbs.
- Applied: August 20, 1976
- Status date: June 5, 1996
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/14/cd/14cd029a5e5dcb24542cf72cbed5d8fbf230e89a1e671a483c2cb061df2794cb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/632992A14D8675A0862570C900507957.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2680SW

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 414 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

•Umieb ^hites ODf of '^Transportation - Ttfehernl jAnratton ^om mi strati on QLerttftcate SA2680SW Javelin Conversions, Inc.

P. O. Box 30B Alice, Texas 78333 Civil Air A7CE Cessna 414 Installation of turbocharged Lycoming IO-720-B1BD engines, Hartzell HC-F4YR-2RUF/FC 7663DB-4R propellers and increase of maximum takeoff and landing weight to 6825 Ibs., in accordance with Riley Turbostream Corp.

Drawing Ho. 340000 revised through 10/10/77, or Riley Turbostream Corporation sealed Drawing List (Drawing Ho. 340000 "B"j dated 9/19/79, or later FAA sealed revision.

Riley Aircraft Corp. FAA Approved Airplane Flight Manual Supplement dated 11/30/77, is required or later FAA approved revision.

1. Zero fuel weight is 6200 Ibs. 2. Cessna Service Kit No.

SK414-8E must be installed in accordance with Cessna Multi-Engine Service Letter Ho.

ME76-2. 3. Compatibility of this design change with previously approved modifications must be determined by the installer.

(svz/se<si. . August 20, 1976 .• Hovember 30, 1977 August 19, 1991, June 5, 1996 (Signature) <*T\Ronald K. Rathgeber " Associate AGO Mgr., Airframe S Services Wichita Aircraft Certification Office ' (Title)

The FAA will reiaaue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Numt>er_ to (Name of transferee) (Address of transferee) (Number and street} (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number S street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink)

## Every issue (1)

- June 5, 1996: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/14/cd/14cd029a5e5dcb24542cf72cbed5d8fbf230e89a1e671a483c2cb061df2794cb)

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