# STC SH486NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Boise Inter-Agency Fire Center, United States
- Description: Installation of an external mounted water bombing tank (140 gallon)
- Applied: July 18, 1977
- Status date: June 27, 1978
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/5f/29/5f29d448e7ce53bbfc5d750c24da80e3a410cabb37dc881720df6f390d322760
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/63AEAB240858D1AE86257AB6006AF868.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH486NW

## ADs that name it (0)

None.

## Approved models (1)

- MD Helicopter Inc. 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- June 27, 1978: Amended, Current. [certificate](https://openairdocs.org/files/sha256/5f/29/5f29d448e7ce53bbfc5d750c24da80e3a410cabb37dc881720df6f390d322760)

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