# STC SA7826SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: ACSS (Aviation Communication and Surveillance Syst, United States
- Description: Installation of dual Honeywell Mode S transponders, with dual upper and lower antennas.
- Applied: February 8, 1990
- Status date: February 28, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/79/55/7955329a4b49acd2d3bf7d5beb4b8e1c7cd0f06f02e4d32c922203314201e6d7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3B14E1F1A8977A4685256CC20056A4D0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7826SW

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-9-82 (MD-82) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-83 (MD-83) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## 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.

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• :llinilcb ~11Ilc5 OJ}!J\llU'rirn ~£partment of 'QIransportation - JIf£o£ral J\&iation J\oministration ./V~ SA 7826SW ACSS (Aviation Communication & Surveillance Systems, LLC) 19810 North 7'hAvenue Phoenix, AZ 85027 ",.,,4;4;...;ad ~ dUI;?;'< ,/" /~ -r/u' dr";.<jr/"ft-~ fttlbm,/,? /'/'OrkU/ ",,/.It ~ /J;o.tdrd,rYl,; ruu/ r~/lrkif,o/I.; /.It-eP~I"'" (Z.; ¥IiD£-,p."d &'1"0/1 nu'c/,J //f" ru:rcurY'a/le.,;.; ",,,?,u:renle,/l/,J 0/ ~fZ,I""/ 25 0/~c;z-J P /7 .._". u7> P_" ..7"eIu,ar- •..JTJrJ..<u"Jo/l. Jbo/~JJ/I~'O/I~J.

A6WE McDonnell Douglas .~torb:tf" DC-9-82, -83 (MD-82, MD-83)

• ~;C'9't/,o/.t o/~pe !¥e,J.<jffI/~L.I",?-e" Installation of dual Honeywell Mode S transponders, with dual upper and lower antennas, in accordance with Master Document List SP-3449, Rev. G, dated September 21, 1990, or later FAA approved revision .

Y3,nuifrd"YI.,) t"Ul.d ~/l..uif,o/I~J ..Airplane Flight Manual Supplement dated May 31, 1990, or later FAA approved revision, is required. Compatibility of this modification with previously installed equipment must be determined by installer. 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 .

.~4 ce,4;4~ rmd ~ JuFYl0I"/r/'P da/rL- mh!,c.rf,,:;d>. &uJ,4 ftl" o/V"O'H~C'.;fa&' l"E'/7UL-rA.VI. #.0/ lUI/elf ,JI/'~/'I'.d .Ju.oyu,'/~.d /'mo£ed' 0' IZ /e/Hf,VVL-UO/.t rk~e. ,:; o/.lfe,rr,,:;e. N/u--&;;A;d'tr //f" . ./6rh7"vuJbrdrY' 0///f" .ry;~a~.ArHu..uo/l-,/&'b7.tvuJbrdi£y.t, 50-"/,,.l'f?';;";""'/.' December 21, I990 I February 28, 2002 (Signature) er, Tech. and Admin. Support Staff os An eles Aircraft Certification Office (Title) .@.,k r>/~;;';ua"MY!,' May 31,1990

• 5l.ny alteration of this certificate is punisfta6fe 6y a firu. of rwt e;rceding $1,000, or imprisonment rwt e;reading 3 years, or 60tli.

## Every issue (1)

- February 28, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/79/55/7955329a4b49acd2d3bf7d5beb4b8e1c7cd0f06f02e4d32c922203314201e6d7)

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