# STC SA5822NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Horizon Instruments Inc, United States
- Description: Installation of an engine electronic digital tachometer, Model P-1000.
- Applied: April 8, 1991
- Status date: January 7, 2005
- Product: Aircraft, Single-Engine
- Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/4c/85/4c858d42761a74b5edbd3e229c9e47317b9eb461a535c5dfa45746560fe7249f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1A2CA6E55575F331862570D70076F7D4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5822NM

## ADs that name it (0)

None.

## Approved models (8)

- Textron Aviation Inc. 182T ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- The Cessna Aircraft Company 182S ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## 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.

This Certificate issued to Horizon Instruments, Inc.

600 S. Jefferson St., Unit C Placentia, CA 92870 Part 3 of the Civil Air Regulations,including Amendments 3-8 and Part 23 of the Federal Aviation Regulations, Amendment 23-

41.

5A6 Cessna 182, 182A, 182B, 182C, 182D, 182E, 182S, 182T Description of Type Design Change : Installation of an Engine Electronic Digital Tachom eter, Horizon Model P-1000, P/N P100053- (Applicability Table on continuation sheet) in Cessna 182 series aircraft, in accordance with Horizon Instrum ents, Inc. Master Drawing List No. P100053, Rev. N/C, dated March 12, 1992, or later FAA approved revision.

Horizon Airplane Flight Manual Supplem ent No. 1, dated August 12, 1992, or la ter approved revision is required.

Limitations and Conditions : The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation 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 m odified aircraft. If the holder agrees to perm it another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : April 8, 1991

Date of issuance : August 28, 1992

Date reissued : January 14, 2002

Date amended : January 7, 2005

( Signature) Manager, Propulsion Branch Los Angeles Aircraft Certification Office ( Title)

Applicability Table

Aircraft Model Year Serial Numbers Horizon Tachometer P/N

182 1956 P100053-143 182A 1957 30640 - 30265 P100053-143 182A 1958 30266 - 31260 P100053-143 182B 1959 P100053-143 182C 1960 P100053-143 182D 1961 P100053-143 182E 1962 P100053-143 182F 1963 P100053-143 182G 1964 P100053-143 182H 1965 P100053-143 182J 1966 P100053-143 A182J 1966 P100053-143 182K 1967 P100053-143 A182K 1967 P100053-143 182L 1968 P100053-143 A182L 1968 P100053-143 182M 1969 P100053-143 182N 1970 P100053-143 A182S 1970 P100053-143 182N 1971 P100053-143 182P 1972 P100053-143 182P 1973 P100053-143 A182S 1973 P100053-143 182P All P100053-143 182Q All P100053-145 182R All P100053-145 T182R All P100053-145 R182 All P100053-145 TR182 All P100053-145 182S All P100054-132 182T All P100053-132

-END-

## Every issue (1)

- January 7, 2005: Amended, Current. [certificate](https://openairdocs.org/files/sha256/4c/85/4c858d42761a74b5edbd3e229c9e47317b9eb461a535c5dfa45746560fe7249f)

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