# STC SE144GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Scott's Bell 47 Inc
- Description: Modify engine to increase compression ratio to 8.7:1.
- Status date: August 7, 2014
- Data sheets: E-279
- Certificate PDF: https://openairdocs.org/files/sha256/4e/e0/4ee0166532c8e934ebfa9e49a1ef3613eab6165c6a28f8dc1b3d1825489bb464
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D0417C059E9E69A986257DC60074FF47.0001
- Page: https://openairdocs.org/stc/SE144GL

## ADs that name it

None.

## Approved models (1)

- Lycoming Engines VO-435-A1F (TCDS E-279)

## 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.

Part 13 of the Civil Air R egulations.

(See page 3 for complete certification basis).

Original Product --Type Certificate N umber :

Modify engine to increase compression ratio to 8.7:1 in accordance with Lake Line Helicopters Report No. AVL 100176, Revision A, dated January 20, 1977 or later FAA Approved revision.

This c ertificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the A dministrator of the F ederal A viation A dministration.

Scott’s-Bell 47, Inc.

100 Minnesota Avenue Le Sueur, MN 56058

E-279 M ake : Lycoming M odel : VO-435-A1F Date of applicatio n : October 22, 1976

Date of issuance : November 24, 1976 Date reissued : January 21, 2004; December 15, 2010;

August 7, 2014

Date amended : February 17, 1977

B y direction of the A dministrator

Original Signed By:

Karol Mordasiewicz (Signature) Karol Mordasiewicz Manager, Airframe and Administrative Branch Chicago Aircraft Certification Office

(Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 3 PAGES

N umber SE144GL

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

Number SE144GL Date of Issuance: November 24, 1976 Date of Amended: February 17, 1977 Date of Reissuance: August 7, 2014 Limitations and Conditions:

1. The installer must determine whether this design change is compatible with previously approved modifications

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Ratings Maximum Continuous, hp., rpm, full throttle 265, 3200, -S.L.

at: sea level pressure altitude

Takeoff (5 min.), hp., rpm, full throttle 265, 3200, -S.L.

at: sea level pressure altitude

Fuel (Minimum Grade Aviation Gasoline) 100/130

Compression Ratio 8.7:1

------------End-----------

## Every issue (3)

- August 7, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4e/e0/4ee0166532c8e934ebfa9e49a1ef3613eab6165c6a28f8dc1b3d1825489bb464)
- December 15, 2010: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7a/61/7a61ab936bbc07c9545910ead71754179a565d3eb964b842cbcafd54abe2f901)
- January 21, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/fa/bd/fabda027fb1d69b234efd23e7542e4e6ba2eefd925434ce1c6c0edc6a1d3505c)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.