IND RAD ALT BK 28V [ (P/N 339h-4) - As Removed
P/N: 339h-4
Category: Traffic, Terrain & Weather
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 339h-4 is a Collins panel-mounted radio altitude indicator for ALT-50/ALT-50A radar altimeter systems. This instrument displays aircraft height above ground level during approach and landing phases, with selectable decision height alert capability. Powered by 28 VDC cockpit lighting, the indicator is TSO-C87 approved for commercial and corporate aviation use.
Installation requires a compatible Collins receiver/transmitter unit and verification against the aircraft's Illustrated Parts Catalog before return to service.
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 IND RAD ALT BK 28V [ (P/N 339h-4)?
The 339h-4 is a Collins panel-mounted radio altitude indicator for ALT-50/ALT-50A radar altimeter systems. This instrument displays aircraft height above ground level during approach and landing phases, with selectable decision height alert capability.
Is the 339h-4 compatible with my aircraft's avionics suite?
Avionics compatibility depends on your aircraft model and existing installation. The IND RAD ALT BK 28V [ is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.
Does the 339h-4 come with an 8130-3 airworthiness tag?
Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.
Do you offer bench testing for the 339h-4?
We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.
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