# STC SA3806NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Garmin AT Inc., United States
- Description: The Apollo II Model 612A Loran-C navigation system is installed in Partenavia P68C aircraft in accordance with II Morrow Top Level Drawing MC0050, Revision A, or later FAA approved revisions. This installation includes a dedicated CDI and annunciator panel for the Loran 1 receiver and provides steering signals to the autopilot. This STC allows II Morrow s participation in the FAA sponsored, limited implementation program for evaluating the use of Loran-C during non-precision approaches.
- Applied: July 30, 1986
- Status date: December 5, 2003
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A31EU](https://openairdocs.org/tcds/A31EU)
- Certificate PDF: https://openairdocs.org/files/sha256/e8/63/e863181d50d5575eaa2d82fb821baf64fdb2c1f35123841af2ac6b74d15613d4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/66751CF355E6C09F86256DFD004F6C76.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3806NM

## ADs that name it (0)

None.

## Approved models (1)

- Partenavia Costruzioni Aeronauticas S.p.A. P 68C ([TCDS A31EU](https://openairdocs.org/tcds/A31EU))

## 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.

Number SA3806NM

This certificate, issued to Garmin AT, Inc.

2345 Turner Road SE Salem, OR 97302

Part 23 of the Federal Aviation Regulations, effective February 1, 1965, and as amended according to the original type certification data sheet, A31EU.

Original ProductType Certificate Number: A31EU Make: Partenavia Model: P68C

Description of the Type Design Change: The Apollo II Model 612A Loran-C navigation system is installed in Partenavia P68C aircraft in accordance with II Morrow Top Level Drawing MC0050, Revision A, or later FAA approved revisions. This installation includes a dedicated CDI and annunciator panel for the Loran 1 receiver and provides steering signals to the autopilot. This STC allows II Morrow’s participation in the FAA sponsored, limited implementation program for evaluating the use of Loran-C during non-precision approaches.

Limitations and Conditions: The approval of this change in type design applies to the above model aircraft only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of the aircraft. A copy of this Certificate and the FAA approved Airplane Flight Manual Supplement must be maintained as part of 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.

Date of application: July 30, 1986 Date reissued: December 5, 2003 Date of issuance: March 23, 1987 Date amended: December 5, 2003

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- December 5, 2003: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e8/63/e863181d50d5575eaa2d82fb821baf64fdb2c1f35123841af2ac6b74d15613d4)

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