# STC SA2077SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Interstate Airlines, United States
- Description: Installation of a dual DELCO carousel IV inertial navigation system.
- Applied: March 24, 1987
- Status date: April 14, 1987
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/b1/b8/b1b80ea581227ef2c4b4dca706b13f709ebbf1f161d90988cb763b4e6653b796
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AF2DB74D3D83847185256CC10083D5F1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2077SO

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company DC-8-62 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA207750 This corfificule, ensued le Interstate Airlines Clark Building 3800 Rodney Parham Road Little Rock, Arkansas 72212 Certifies that the change in the type design for the filling prauct with tho limitations and conditions therefor as specified horen meets the wi vethiness requirements f Part 4b of the Civil Ait Regelations.

Original Product -Type turificute, Lumber: 4A25 . /ake McDonnell Douglas . I/./d: DC8-62 Navigation System in accordance with Master Drawing List MDL-JR1043 dated captor/you Chan: Installation of a Dual DELCO Carousel IV Inertial October 22, 1986.

Jian andfundina: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane. FAA Approved Airplane Flight Manual Supplement, dated March 27, 1987, is a required part of the STC.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number & street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink) :

## Every issue (1)

- April 14, 1987: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b1/b8/b1b80ea581227ef2c4b4dca706b13f709ebbf1f161d90988cb763b4e6653b796)

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