# STC SA3721WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Meggitt Safety Systems, Inc., United States
- Description: Revision of Airbus Industrie A300 fire/overheat detection system to allow intermixing of Systron-Donner fire detectors with Edison fire detectors in the fan, core and pylon sections of CF6 engines.
- Status date: July 28, 1999
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A35EU](https://openairdocs.org/tcds/A35EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7A2D10EA56CD47CF85256CC2000C59FE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3721WE

## ADs that name it (0)

None.

## Approved models (4)

- Airbus A300 B2-1A ([TCDS A35EU](https://openairdocs.org/tcds/A35EU))
- Airbus A300 B2-1C ([TCDS A35EU](https://openairdocs.org/tcds/A35EU))
- Airbus A300 B2K-3C ([TCDS A35EU](https://openairdocs.org/tcds/A35EU))
- Airbus A300 B4-2C ([TCDS A35EU](https://openairdocs.org/tcds/A35EU))

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