# STC SA3846NM

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: Airborne Express Air Inc, United States
- Description: Modification to the flap control system to provide a maximum landing flap of 40 degrees in the normal case and an optional stop in the flap position quadrant to restrict the full landing position to 40 degrees.
- Applied: April 17, 1987
- Status date: April 24, 2013
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/f6/fc/f6fcd23486c95fac55942b91f9a7041b5e6fce67ea5b071f00a8700cd9aabaf3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2FBF53A2BD44152C86257B9B006BE00F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3846NM

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-9-30 Series ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## 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: SA3846NM This certificate issued to: Airborne Express, SIhe! RRENDERED Purt 4b of the CiVil Air Regulations.

Original Product - Type bertificate Number: AGWE Make: McDonnell Douglas Model: DC-9-30 Description of Type Design Change:

Modification to the flap control system to provide a maximum landing flap of 40° in the normal case and an optional stop in the flap position quadrant to restrict the full landing position to 40° in accordance with FAA sealed Airborne Express, Inc. Master Drawing List No. 27-2000 dated May 15, 1987, or later FAA approved revision.

A copy of this certificate shall be maintained as part of the permanent record of each airplane so modified. This approval should not be extended to other specific airplanes of these same models 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 will introduce no adverse effect upon the airworthiness

Date of Application: April 17, 1987 Jule missued: October 11, 1991 Date of Issuance: . June 5, 1987 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Stewart Kapilles (Signature ) COMINISTRATO Asst. Manager, Seattle Aircraft Certification Office, ANM-100S (Title) FAA FORM 8110-2 (10-68)

Signature of grantor (In ink):

01/25/11: Date of Transfer:

(City, State, and ZIP code) (Number and streel) (Address of grantor) from (Name of grantor) (Print or type).

(City, State, and ZIP code) (Number and street) (Address of transferee).

Surrender to (Name of transferee).

Transfer the ownership of Supplemental Type Certificate Number — SA3846NM

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

the transfer of this Supplemental Type Certificate.

, of Wilmington, Ohio, has developed a flap control system modification which allows Model DC-9-30 airplanes to comply with the requirements of FAR Part 36, Stage 2, without installing acoustic treatment in the nacelles.

The Model DC-9-30 airplanes incorporating this modification will be equipped with their own rating while the JT8D-11 engines must be operated at JT8D-9 rating. JT8D-7, JT8D-9, and JT8D-11 engines. The JT8D-7 and JT8D-9 engines can be operated at

- END-

**FAA FORM 8110-2-1 (10-69) PAGE 30F 3PAGES**

## Every issue (1)

- April 24, 2013: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/f6/fc/f6fcd23486c95fac55942b91f9a7041b5e6fce67ea5b071f00a8700cd9aabaf3)

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