# STC SA5842NM

- Type: Supplemental type certificate
- Status: Historical, Abandoned
- Holder: Horizon Instruments Inc., United States
- Description: Installation of an engine electronic digital tachometer.
- Applied: July 30, 1992
- Status date: February 27, 2024
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/fa/b9/fab9cbab37b8fde3a529e74fa9f6cd95f196f9211486de83f4a7593670552256
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163107785220240229161659.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5842NM

## ADs that name it (0)

None.

## Approved models (17)

- The New Piper Aircraft Inc. PA-28-140 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-150 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-151 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-161 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-181 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-235 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-236 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-200 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28RT-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28RT-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28S-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## What the certificate says

Some pages are OCR from the scanned FAA certificate. OCR can misread letters and numbers.

;llini±ili �illicz ®f J\mcrica �.epadnumt nf W:ranzpnriatinn: - Jlf .e.o.eral J\.&iatinn J\..ominfoiratinn �uppl£menta1 filtzp£ fil£rtifirai£ ff tuntftJ/! SA5842NM Horizon Instrnments, Inc.

600 S. Jefferson St., Unit C Placentia, CA 92870 ce¥J d:d .de-c� m, .de- �e deJ� fa-" d'e-fa�a� �cuu;/ alid .de- tfnuh/w/kJ-aaa! ctJ-ndt:/w/kJ­ de/'efa--" a,;, cyi,ect/'ud kN£'-/l, nu>--ea .de-{Z,ffUJ.{l/'�,»/'t'�tW/?U'hU o/f?5cu/ 3 o/ .de- <&:i.,i/'.../fJv ..9B�.t.0M.

Including Amendment 3-7, and FAR 23, Amendment 23-41 &'�ai9M-tau¥ �e Wed�e./J/'am&/'.· 2A13 Aa:.i'e.- Piper Aircraft Corp.

A�/.- PA28-140, -150, -151, -160, -161, -180, -181, -235, -236, 201T, R-180, R-200, R-201, R-201T, RT-201, RT201T, S-160 _§?;,_,;e,,,fuwn o/�e _§?;,� W�- Installation of an Engine Electronic Digital Tachometer, Horizon Model P-1000, P/N P100070- (Applicability Table on continuation sheet) in Piper Aircraft PA-28-140, - 150, -151, -160, -161, 180, -181, -235, -236, 201T, R-180, R-200, R-201, R-201T, RT-201, RT201T, and S-160 series aircraft, in accordance witl)!Horizon Instruments, Inc. Master Drawing List No. P100070, Rev. N/C, dated June 22, 1992, an�ater FAA approved revision.

Horizon Airplane Flight Manual Supplement No. 1, Rev. N/C, September 14, 1992, or later approved revision is required. • ,' 2?hu-l'�w/kJ- �¥w/?,J . The_ installation s?o�ld not �e incorporate�n any aircraft unless it isdetermmed that the mterrelationsh1p between this mstallat1on and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. The approval of this modification applies to the above noted airplane model series only. A copy of this STC must be included in the permanent records of the modified aircraft. 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.

� ced� aad .de-Ju/Pod� dah a�,,{ iJ, .de-� fa-" �oa/ /�t'/TKbtfl tfl.#d � J�/'ed ,J./LJ/7-'M,@d .l't',{)-0-.4ea/ tJ-/' a k,-,m-i=.lwn akde iJ, tJ-defiL<de � � d'e-At:Pn� o/d'e­ .!!l;,ak,,d A�At:Pn�UJ-n.

.01cu<etyf'o/Yb�- July 30, 1992 September 30, 1992 .01cu<ue,.;;,;«ed.· January 14, 2002 .01cdeamm-akd.· January 6, 1993 (Signature) er, Technical & Administrative Support S a f, Los Angeles Aircraft Certification Office (Title) .)'lny alterat10n ef tliif certt.Jicate if Jlllnifliali/e liy a fine ef not tq;ceedi11,f/ /.I, ooq, or rinprironment not tq;ceedin,; .J yean, or liotli.

FAA Form 8110-2 (10-681 Page 1 of 3 'l"liircertifi:ate 11111y6e tran.ferrea in acconlance Wlih '11/lf(.21.47.

The FAA has determined on February 27, 2024, that Supplemental Type Certificate SA5842NM has be abandoned according to 49 U.S.C 4470(a)(5) on February 27, 2024, IAW FAA Order 8110.120. No original Airworthiness Certificate will be issued after February 27, 2024, for any aircraft, including aircraft imported into the U.S.A.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA5842NM Applicability Table Aircraft Model Serial Number Range Horizon Tachometer Part Number PA-28-140 28-20002 - UP P100070-408 PA-28-150 28-03, 28-1 - UP P100070-408 PA-28-151 28-7415001 -UP P100070-408 PA-28-160 28-03, 28-1 - UP P100070-408 PA28S-160 28-03, 28-1 - UP P100070-408 PA-28-161 28-7716001 - UP P100070-408 PA-28-180 28-671-28-1760 P100070-408 or P100070-402 28-1571, 28-1573, 28-1761 - UP P100070-408 PA-28R-180 28R30002 - UP P100070-401 PA-28-181 28-7690001 - UP P100070-408, P100070-403 PA-28-235 28-10003 - 28-11393 P100070-603 28-7110001 - UP PA-28-236 28-7911001 - UP P100070-602, P100070-407 PA-28R-200 28R30482, P100070-406 28R-35001 - UP P100070-407 PA-28R-180 28-30005 - UP PA-28-201t 28-7921001 - UP P100070-609 PA-28R-201 28R-7737002 - UP P100070-408 PA-28R-201T 28R-7703001 - UP PA-28RT-201 28R-7918001 - 28R-7918267 P100070-408, P100070-403 PA-28RT-201T 28R-7931001 P100070-609, P100070-603

- END - 47

## Every issue (1)

- February 27, 2024: Abandoned, Historical. [certificate](https://openairdocs.org/files/sha256/fa/b9/fab9cbab37b8fde3a529e74fa9f6cd95f196f9211486de83f4a7593670552256)

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