# STC SA01428LA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: CO Guardian LLC, United States
- Description: Installation of CO Guardian Carbon Monoxide Detector Instrument.
- Applied: October 15, 2001
- Status date: February 10, 2003
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21, Part 23
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/e3/26/e3265b9230418d0881955d960f134225a340db9af4f395327f084fba6c607ea3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3762EB7F0DED97D786256D8D006FAA54.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01428LA

## ADs that name it (0)

None.

## Approved models (20)

- The Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172F ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172H ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172S ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## 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.

( ,- l L ') ltnitl'b ;iotntl's (J)f AUtt'rtcu ~cpllrlnttttl of {llrtttt"porlnliott - Jlicbcrnl !,binliott !,bmitti"lrnlioll ~upplcm£ntal WlJpc<!lcrtifiJ:atc SA01428LA .~~ W..."t'0;.....'/,.,:,;.u/,u/ /,. CO Guardian LLC.

1'15I East Airport l)rive Tucson, Arizona 85706 (,N"",;4'ht.&/ Q;. rA-;;/'J'",:na; P/U' dAU? /~ fA"fr//iv/'/n.? p""';;,r/ ,/'d.f' d/- 12nu£o/u.nJ HAd """""4'••....•••d'",..y::.,.nJ .y-~;4-/ "'_<",."",w'.; a;. ",~A;';"""; "Y"Uw7UVU'.J "/ CAR Part 3 for Cessna 172 through 172Q series, and FAR Part 23 for Cessna 172 R and S ,,//.1;':%,/,.,.,,/. -4,,,,,,,,,,,,, .Yi''':P"k",,,,,.J.('Certification basis is set forth in Type Certificate Data Sheet3A12) 3AI2 Cessna Aircraft Company 172 through 172 S Series ~'V'''''''' "/ '~/'~ q""y" 'iY;rn,r'J"~"Installation of CO Guardian Carbon Monoxide Detector Instrument in accordance with FAA Approved CO Guardian Master Drawing List 452-100, Revision "H", dated .January 13,2003, or later FAA approved revision; and the FAA Approved SupJllemental Airplane Flight Manoal, Document Number 01-2510-04, Revision "JR", dated January 10,2003 or later FAA approved revision for Cessna Models 172 through 172Q; and the FAA Approved Airplane Flight Manual Supplement, Document Number 01-2510-02, Revision "IR", dated .January 10,2003 or later approved revision for Cessna Models I72R and 172S.

$,;'ni/nh"r'l-J. IUU'/ ~;' ••••U'hUNI.J .. This approval should not be incorporated in any aircraft unless it is determined that the interrelationship hetween this installation and any previous approved configuration will not introduce any adverse errect upon the airworthiness of the aircraft.

If the holder agrees 10 permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

February10, 2003 .MU'n'Vlr/~ ,M/<,¥J,./Ir/".£ ,,-v.rvfN/ tv' n- /,.n~unHhM ,M/,. •..:J.,./AI",I'VI"';';' N/n/./J;;.I"'/1?

do ._~~nuu:.J/,"/<v- '~P' ~fi:-rh""n r;/"/.;{;..•/f.m?n":.-w:.J/,n/,,, .

~(sc:i~~/Manager, Systems & Equipment Branch, Los Angeles Aircraft Certification Office (Title) )lny aUtTation of tliir artifUatt is punisfr.a6fe 6) a jim of not 4;tuli"B 11,000, or imprisonmtnt not t:{Jett1me3 ytarI, or 6otli.

p"o~ 1 of ~ rr1iuctTtifiGJtemav6t transfm7d in aaoraana u1tn 'FAiR.21.47.

## Every issue (1)

- February 10, 2003: Issued, Current. [certificate](https://openairdocs.org/files/sha256/e3/26/e3265b9230418d0881955d960f134225a340db9af4f395327f084fba6c607ea3)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.