# STC ST00221WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: JetCorp, United States
- Description: Installaation of a Collins TWR-850 Turbulence Weather Radar Systems.
- Applied: July 6, 1994
- Status date: October 24, 1994
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/c1/d0/c1d0b65ac726b37b1ff915934d5ab326d1172771a0790332da8d2d3dd8ed3508
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/82E5B614F7E494CF862572D100561354.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00221WI

## ADs that name it (0)

None.

## Approved models (1)

- Learjet Inc. 55 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))

## What the certificate says

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

United States of America Department o ransportation - Federal Abiation ¿oministration Supplemental Type Certificate Number: ST00221WI This certificate issued to: JETCORP 18152 Edison Avenue Chesterfield, MO 63005 Certifies that the change in the type design for the following product with the limitations and conditions therefer as specified hereon meets the airworthiness requirement's of Part 25 of the Federal Aviation Pegulations Original Product - Typo Berlificate Number: A10CE Make: Learjet Model: 55 Description of Type Design Change: Installation of a Collins TWR-850 Turbulence Weather Radar Systems. Data required: (1) JetCorp Master Document List No.

JC001022, Revision A, dated October 14, 1994; (2) JetCorp Document No. JC001000, "FAA Approved" Airplane Flight Manual Supplement, dated October 24, 1994, or later "FAA Approved" revisions to (1) or (2).

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

be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of Administrater of the Frederal Aviation Administration Date of Application: Ju1y 06, 1994 Date Reissued:

Date of Issuance: October 24, 1994 Date Amended:

FEDERAL AVIATION By Direction of the Administrator (Signature) James M. Peterson TOMINISTRATOR Manager, Systems & Equipment Branch Wichita Aircraft Certification Office (Title)

## Every issue (1)

- October 24, 1994: Issued, Current. [certificate](https://openairdocs.org/files/sha256/c1/d0/c1d0b65ac726b37b1ff915934d5ab326d1172771a0790332da8d2d3dd8ed3508)

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