ALTITUDE DIGITIZER (P/N do-138) - As Removed, Serviceable
P/N: do-138
Category: General Aircraft Parts
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 |
| Serviceable | 1 Available |
Product Description
The do-138 altitude digitizer converts barometric pressure signals from the aircraft static system into encoded altitude data for Mode C/S transponders. This unit outputs parallel Gray code (Gillham) or serial format data with FAA TSO-C88a approval. Installed between the static port and transponder, it enables accurate pressure altitude reporting required for air traffic control surveillance.
Installation and testing must follow the transponder's STC/TSO documentation and your aircraft's maintenance manual for proper system integration.
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 ALTITUDE DIGITIZER (P/N do-138)?
The do-138 altitude digitizer converts barometric pressure signals from the aircraft static system into encoded altitude data for Mode C/S transponders. This unit outputs parallel Gray code (Gillham) or serial format data with FAA TSO-C88a approval.
What conditions is the do-138 available in?
The do-138 is currently available in the following conditions: As Removed, Serviceable. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the do-138?
The do-138 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the do-138?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
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