# STC SH2840SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Warnell Company, United States
- Description: Chemical spray boom.
- Applied: August 18, 1978
- Status date: April 19, 1979
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 2H3](https://openairdocs.org/tcds/2H3), [TCDS H-1](https://openairdocs.org/tcds/H-1)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C5A5D1E1A0C0EB2786256CF5004F1762.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH2840SW

## ADs that name it (0)

None.

## Approved models (16)

- Bell Helicopter Textron 47B ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47B3 ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47D (USAF H-13B) ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47D1 Series ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47E (Navy HTL-3) ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47G Series ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47G-2 (USAF H-13H) ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47G-2A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-2A-1 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3 (OH-13H) ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B-1 (TH-13T) ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-4 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-4A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-5 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-5A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))

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