# STC ST09949SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: LB Aircraft Engineering Inc, United States
- Description: Installation to add required sensors and interface with existing Digital Flight Data Recorder and existing Flight Data Acquisition Unit.
- Applied: March 12, 2001
- Status date: October 10, 2014
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 121
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/a2/72/a272cf92b835d19543bd9aa9749c55473690bcc0253ec19a2c8b0f15e1ed7f8c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AA9E3D724DD13E4186257DC8006DF1A4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09949SC

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company DC-9-83 (MD-83) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## 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.

Number ST09949SC

This certificate issued to: LB Aircraft Engineering 6355 NW 36th Street Miami, FL 33166-7027

Part 4b of the Civil Air Regulations.

Original Product – Type Certificate Number: A6WE

Make: McDonnell Douglas Model: DC-9-83

Installation to add required sensors and interface with existing Digital Flight Data Recorder and existing Flight Data Acquisition Unit to meet the requirements of FAR 121.344 in accordance with SIP Technical Services Data List 3273-DL-001-501, Revision B, dated July 25, 2001, or later FAA approved revision.

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

Date of application: March 12, 2001 Date reissued: September 17, 2014; October 10, 2014 Date of issuance: January 23, 2002 Date amended:

Signature S. Frances Cox

Title Manager, Special Certification Office, Southwest Region

FAA Form 8110-2 (8/13) Page 1

**SUPPLEMENTAL TYPE CERTIFICATE, FAA FORM 8110-2 (CONTINUED)**

To (Name of transferee)

(Address of transferee)

(Number and street)

(City, State, and ZIP Code)

From (Name of grantor)

(Address of grantor)

(Number and street)

(City, State, and ZIP Code)

FAA Form 8110-2 (8/13) Page 2

## Every issue (2)

- October 10, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a2/72/a272cf92b835d19543bd9aa9749c55473690bcc0253ec19a2c8b0f15e1ed7f8c)
- January 23, 2002: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/a5/b7/a5b763c4382cdf4fddcc76213e50f25eb1fe9d72afff59a4696b1c8fec618eb4)

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