Woodward 3909-016, Unfeather Yoke - Tempest PMA
Tempest AG3909-016-PMA
The Tempest AG3909-016 (Woodward OEM 3909-016) is an FAA-PMA replacement unfeather yoke for Woodward applications.
- Supports unfeathering function by providing the correct yoke geometry and engagement where the governor design uses a yoke driven mechanism.
- Helps address unfeathering issues such as a propeller that remains feathered after start or requires abnormal force to unfeather, when wear or deformation is found in the linkage.
- Often replaced during overhaul or repair when wear at contact points, fretting, or distortion affects smooth movement.
Unfeathering hardware is especially important for multi engine aircraft operations and maintenance where reliable propeller control is essential for dispatch and safety.
Installation notes
Refer to your aircraft and governor maintenance manual for complete installation procedures and torque values.
- Inspect related pins, balls, and contact surfaces for matched wear and replace as required.
- Operational checks must be performed per the approved governor and aircraft maintenance procedures after installation.
Applications and fitment
Used on Woodward governors where OEM 3909-016 is specified. Confirm eligibility by matching the OEM part number and reviewing the governor model and serial number applicability in the approved maintenance data.
Tempest AG3909-016 is the direct replacement for OEM 3909-016. Match the OEM part number and confirm applicability by governor model and serial number in the approved maintenance data.
Pilot John International supplies Tempest PMA propeller governor components to propeller overhaul shops, FBOs, MROs, and aviation maintenance technicians supporting aircraft maintenance and ground support.
| General Information | |
|---|---|
| Part # | AG3909-016 |
| Manufacturer | Tempest |
| Shipping Information | |
|---|---|
| Product Weight | 0.01 lbs. |
| Product Dimensions | 2.5 x 0.5 x 0.3 in. |
| Schedule B | 8807300010 |
| ECCN | 9A991.d |
| Specifications | |
|---|---|
| Approval | FAA-PMA replacement part |
| OEM P/N | 3909-016 |
| System | Woodward propeller governor, unfeathering mechanism |
| Tempest P/N | AG3909-016 |
| Type | Unfeathering yoke |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* | |
|---|---|
| Hawker Beechcraft | 58 - Baron , 95-C55 - Baron , 95-C55A - Baron |
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QUESTIONS & ANSWERS
Tempest AG3909-016 is a direct FAA-PMA replacement for Woodward P/N 3909-016. Always verify compatibility with your specific propeller governor model and applicable maintenance documentation before placing an order.
The Tempest AG3909-016 Unfeathering Yoke is designed for use in aircraft equipped with Woodward model A210800 propeller governors. Matching replacement parts to the correct governor model is essential to ensure proper fit, function, and reliable operation.
The Tempest AG3909-016 Unfeathering Yoke transmits mechanical force within the unfeathering system. Proper force transmission ensures coordinated movement.
PJi offers the Tempest AG3909-016 as an FAA-PMA-approved replacement for the Woodward 3909-016 unfeathering yoke. View our full selection of Tempest propeller governor parts to find the correct component for your application.
For a deeper look at how propeller governors work, why proper maintenance matters, and how to identify compatible replacement components, refer to our Ultimate Guide to Aircraft Propeller Governor Maintenance.
