# STC SA786EA

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: Garrett Aviation Services, United States
- Description: Installation of lavatory door and bulkhead at station 392.
- Applied: April 21, 1969
- Status date: December 14, 2005
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/46/77/467755677fbe354047a204f8dd74f8aa85690c8a698cca60a735165c5412b81c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/19D025F3F7D225B9862570F1006B7E7F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA786EA

## ADs that name it (0)

None.

## Approved models (2)

- Raytheon Aircraft Company DH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Raytheon Aircraft Company HS.125 Series 600A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## 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.

FAA Form 8110-2(10-68) Page 1 of 1 “Reissued on October 21, 2005 to supersede the original STC which has been lost or misplaced.”

Number SA786EA This certificate issued to Garrett Aviation Services, LLC Long Island MacArthur Airport 2221 Smithtown Avenue Ronkonkoma, NY 11779

Part 4b of the Civil Air Regulations.

Original Product -- Type Certificate Number : A3EU Make : Hawker-Siddeley

Model : DH. 125-400A, HS. 125-600A

Installation of a lavatory door and bulkhead at Station 392 in accordance with the data listed in AiResearch Company Drawing Lists:

For DH. 125-400A: DL 300-125-124 Rev. D, dated May 12, 1969 or Rev. E, dated August 28, 1969.

OR For DH. 125-400A or DH. 125-600A: DL 300-125-124 Rev. F, dated June 8, 1976.

1. 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.

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

Date of application : April 21, 1969

Date of issuance : July 30, 1969 Date reissued : October 21, 2005, November 7, 2005

Date amended : April 6, 1970, July 19, 1976

( Signature) Anthony Socias Manager New York Aircraft Certification Office

(Title)

## Every issue (3)

- December 14, 2005: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/46/77/467755677fbe354047a204f8dd74f8aa85690c8a698cca60a735165c5412b81c)
- November 7, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/46/77/467755677fbe354047a204f8dd74f8aa85690c8a698cca60a735165c5412b81c)
- October 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/30/3a/303a985a0600954014e0e9fe6ce331725ec30d39b8204d8a4c9c3d7a32f0b538)

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