# STC SA1780SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Stand-By Systems, Inc
- Description: Installation of portable solid oxygen system.
- Status date: January 15, 1974
- Data sheets: A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE
- Certificate PDF: https://openairdocs.org/files/sha256/6c/ed/6ced8fc16f96f3ca5bead7c58a3e36f987366ec0ac81de885397d8651d7a56d8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4496E6867C4CA3F485256CC10083D05E.0001
- Page: https://openairdocs.org/stc/SA1780SW

## ADs that name it

None.

## Approved models (14)

- The Boeing Company 747-100 Series (TCDS A20WE)
- The Boeing Company 747-100B SUD Series (TCDS A20WE)
- The Boeing Company 747-100B Series (TCDS A20WE)
- The Boeing Company 747-200B Series (TCDS A20WE)
- The Boeing Company 747-200C Series (TCDS A20WE)
- The Boeing Company 747-200F Series (TCDS A20WE)
- The Boeing Company 747-300 Series (TCDS A20WE)
- The Boeing Company 747-400 Series (TCDS A20WE)
- The Boeing Company 747-400D Series (TCDS A20WE)
- The Boeing Company 747-400F Series (TCDS A20WE)
- The Boeing Company 747-8 Series (TCDS A20WE)
- The Boeing Company 747-8F Series (TCDS A20WE)
- The Boeing Company 747SP Series (TCDS A20WE)
- The Boeing Company 747SR Series (TCDS A20WE)

## 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.

<Slt&ti£a/4 Idnittd £tatrs of amtrica Bepartment of '(transportation -federal Sttiiation administration Supplemental Ituje CertificateProject T2888SW-S JDL-213 Stand- By Systems, Inc.

4907 Brookvie Drive Dallas, Texas 75220 25 ^J&e> Federal Aviation A20WE . Boeing ; Installation of portable solid oxygen system according to Dra- ing List No. 4, Parts III and IV, revised 1/15/74.

, : January 14, 1974 January 15, 1974 w i ^ n .. i i fSignatuie)len w. Welsh * ' Chief, Engineering and Manufacturing Branch (TitU)—————————————————————————————————K————————.—————————————!———:—————————————————

FAAFohiBl 10-2(10-68) 7 his certificate may be tianiftiild in accordance with F'AR 21.47.

## Every issue (1)

- January 15, 1974: Issued, Current. [certificate](https://openairdocs.org/files/sha256/6c/ed/6ced8fc16f96f3ca5bead7c58a3e36f987366ec0ac81de885397d8651d7a56d8)

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