# STC SA3880NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Hawkins & Powers Avn Inc, United States
- Description: Installation of aerial spray system. (DC-3C SERIES Restricted)
- Applied: October 23, 1987
- Status date: November 20, 1987
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-669](https://openairdocs.org/tcds/A-669)
- Certificate PDF: https://openairdocs.org/files/sha256/0b/8a/0b8ad66c73e7b3e9096e463af15d15ddb68d5d3ebfc4ea0773ed0a80c5b1db58
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E37880DC135D055485256CC2000C5B45.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3880NM

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-3C Series ([TCDS A-669](https://openairdocs.org/tcds/A-669))

## 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 5A38300M This certificate issued to: Hawkins & Powers Aviation, Inc.

P.0. Box 391 Greybull, Wyoming 82426 Certifies that the change in the type design for the following product with the limitations and conditions thorefor as specified hereon meets the ainvorthiness neguirements of Sex AerO Bet in 1-A.

Реди****Xx Original Product - Type Certificate Number: A-669 Make: McDonnell Douglas Corporation Model: DC-3C (Restricted) Description of Type Design Change: Installation of aerial spray system in accordance with Hawkins & Powers, Inc. Drawing List No. HPA-7000, Revision dated Noveber 3, 1987, FAA approved November 20, 1987, or later approved revision.

1. Aircraft to be certificated in Restricted Category Only with the aerial spray system installed.

2. Airplane Supplemental Flight Manual, FAA approved November 20, 1987 is required.

3. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any other previously approved lodification will introduce no adverse effect upon the airworthiness of the aircraft

Date of Application: October 23, 1987 Date Reissued:

Date of Issuance: November 20, 1987 Date Amended:

FEDERAL ANIATION Sary dive ction of the Sadministrator T. Grossman David T. Grossman, (Signature) Supervisor HOMINISTR Denver Aircraft Certification Field Office Northwest Mountain Region, Aurora, Colorado

**FAA FOR 8110-2 (10-68)**

## Every issue (1)

- November 20, 1987: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0b/8a/0b8ad66c73e7b3e9096e463af15d15ddb68d5d3ebfc4ea0773ed0a80c5b1db58)

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