TRIPLE RPM INDICATOR (P/N dl404-40) - As Removed
P/N: dl404-40
Category: Indicators
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 dl404-40 is a triple RPM indicator for turbine helicopters, displaying main rotor speed (Nr) and dual-engine RPM channels (N2/Np) on a single panel-mounted instrument. This airspeed indicator consolidates critical powerplant monitoring into one gauge, allowing pilots to track rotor and engine speeds simultaneously during flight operations. Meets rotorcraft powerplant indication requirements per 14 CFR 29.1305.
Installation requires calibration per the applicable aircraft maintenance manual and verification against your Illustrated Parts Catalog for system compatibility.
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 TRIPLE RPM INDICATOR (P/N dl404-40)?
The dl404-40 is a triple RPM indicator for turbine helicopters, displaying main rotor speed (Nr) and dual-engine RPM channels (N2/Np) on a single panel-mounted instrument. This airspeed indicator consolidates critical powerplant monitoring into one gauge, allowing pilots to track rotor and engine speeds simultaneously during flight operations.
Is the dl404-40 calibrated and ready to install?
Calibration status depends on the condition. Overhauled instruments come fully calibrated with an 8130-3 tag. The TRIPLE RPM INDICATOR is available in: As Removed. Contact us to confirm calibration status for your selected condition.
Can the dl404-40 be used as a direct replacement in my aircraft?
The TRIPLE RPM INDICATOR 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 dl404-40?
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 dl404-40.
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