STALL WARNING ASSY (P/N 21-9-420-000) - As Removed
P/N: 21-9-420-000
Category: Indicators & Annunciators
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| As Removed | 1 Available |
Product Description
The 21-9-420-000 is a stall warning assembly that alerts pilots to approaching stall conditions through a cockpit horn. A wing-mounted leading-edge vane sensor actuates a microswitch, triggering the audible warning as angle-of-attack increases. This assembly integrates into the aircraft's stall warning circuit, connecting wing sensor to cockpit indicator.
Installation follows the aircraft maintenance manual with compatibility verification in your Illustrated Parts Catalog.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the STALL WARNING ASSY (P/N 21-9-420-000)?
The 21-9-420-000 is a stall warning assembly that alerts pilots to approaching stall conditions through a cockpit horn. A wing-mounted leading-edge vane sensor actuates a microswitch, triggering the audible warning as angle-of-attack increases.
Is the 21-9-420-000 calibrated and ready to install?
Calibration status depends on the condition. Overhauled instruments come fully calibrated with an 8130-3 tag. The STALL WARNING ASSY is available in: As Removed. Contact us to confirm calibration status for your selected condition.
Can the 21-9-420-000 be used as a direct replacement in my aircraft?
The STALL WARNING ASSY is designed as a form-fit-function replacement. Verify the part number against your aircraft's Illustrated Parts Catalog (IPC) and instrument panel layout to confirm compatibility before ordering.
Do you offer instrument exchange programs for the 21-9-420-000?
Yes, we offer core exchange programs on select instruments. Send your unserviceable unit and receive a discount on the replacement. Call (904) 998-9101 or submit an RFQ to check exchange availability for the 21-9-420-000.
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