# STC SA4256SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: AAR Aircraft Services Inc, United States
- Description: Fabrication and installation of combination seat and toilet.
- Applied: September 24, 1980
- Status date: March 5, 1999
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2SW](https://openairdocs.org/tcds/A2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/d3/f9/d3f95f653678ff77cf1f1091ea5493c56ddcba15e7f88303192a6e4d968d5a28
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/26646C410A84B5B186257DF9005C078C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4256SW

## ADs that name it (0)

None.

## Approved models (5)

- Israel Aircraft Industries Ltd. 1121 ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))
- Israel Aircraft Industries Ltd. 1121A ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))
- Israel Aircraft Industries Ltd. 1121B ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))
- Israel Aircraft Industries Ltd. 1123 ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))
- Israel Aircraft Industries Ltd. 1124 ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))

## 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.

^Hntteh ^tatea ©f ,Atturwa 0f ®ranap0rtatton - JJfebcral J^hmmtatrattott (Herttftcate SA4256SW AAR Aircraft Services, Inc.

DBA: AAR Aircraft Services-Oklahoma 6611 South Meridian Oklahoma City, OK 73159-1104 4b Civil Air A2SW Israel Aircraft Industries 1121, 1121A, 1121B, 1123, 1124 Fabrication and installation of combination seat and toilet according to Drawing 1124071480, Sheets 1 through 4, Revision A dated 12/18/80, or later FAA approved revision.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

. . jw . ../?si, eft- (fef* usutf .-September 24, 1980 December 23, 1980 10/25/85; 3/5/99 _ Signature) S. FFanlces Tlox, Manager Special Certification Offace, Southwest Region (Title)————

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Slate, and <//> code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Stale, and ^IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- March 5, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d3/f9/d3f95f653678ff77cf1f1091ea5493c56ddcba15e7f88303192a6e4d968d5a28)

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