# STC SA1990SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Mitsubishi Heavy Industries America Inc., United States
- Description: Installation of pressure relief overboard vent line and restrictor fitting to EPA fuel purge system.
- Applied: April 17, 1975
- Status date: January 19, 2001
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2PC](https://openairdocs.org/tcds/A2PC)
- Certificate PDF: https://openairdocs.org/files/sha256/da/04/da04b7c063789ecda789770aea9007fc3ba02751d6c9b1a3d3c77df33e25d2e4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A0DC6F44B4801A1585256CC10083D3D5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1990SW

## ADs that name it (0)

None.

## Approved models (4)

- Mitsubishi Heavy Industries Ltd. MU-2B-25 ([TCDS A2PC](https://openairdocs.org/tcds/A2PC))
- Mitsubishi Heavy Industries Ltd. MU-2B-26 ([TCDS A2PC](https://openairdocs.org/tcds/A2PC))
- Mitsubishi Heavy Industries Ltd. MU-2B-35 ([TCDS A2PC](https://openairdocs.org/tcds/A2PC))
- Mitsubishi Heavy Industries Ltd. MU-2B-36 ([TCDS A2PC](https://openairdocs.org/tcds/A2PC))

## 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.

(Of ,A of transportation - $ebernl JV&tation npplmtmtal (Eerttficate SA1990SH Mitsubishi Heavy Industries, Ltd.

Licensee: Mitsubishi Heavy Industries America, Inc.

4951 Airport Parkway, Suite 800 Addison, TX 75001 Wtft 10/(3) fjf'^- Civil Air A2PC Mitsubishi MU-2B-25, MU-2B-26, MU-2B-35, MU-2B-36 Installation of pressure relief overboard vent line and restrictor fitting to EPA fuel purge system according to MAI Design Summary 936A-0007 dated 5/21/75.

•'-! , It 'ew a faevu&ta&tw April 17, 1975 21 , 1975 . 3/31/8 6; 8/17/99; 1/19/01 (Signature) Michele M. Owsley, Manager Airplane Certification Office, Southwest Region (Title) Any is punJshabJB ty ^ fine of not exceeding $1,000, 01 ImprisonmenC not eKCflsdi^ifl -? years. Of both.

6110-2(10-681 o( 2 This certificate n«y~lie trajii/erreoTln jccordjnce "witll FAR ' tl.4T~.

INSTRUCTIONS, '['he transfer endorse me nl In-low may be used to notify the appropriate FAA Regional Office ot [he transfer of this Supplemental Type Certificate The f-'AA will reissur- thr n-rtifirale m ihe name of the transferee and forward it to him

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Mitmbe< and sf'tft) (City, Stair, ami -J/P tod,) from (Name ojgrantor) (Print or tyft) (Address of grantor) t Wurtflt' and itieel) ( City, Stall, and -J/P l Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

c FAA AC ea-353fl

## Every issue (1)

- January 19, 2001: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/da/04/da04b7c063789ecda789770aea9007fc3ba02751d6c9b1a3d3c77df33e25d2e4)

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