Stay future-ready with our ALT-1000+ and ALT-4000+
The latest Collins Aerospace ALT-1000+ and ALT-4000+ digital radio altimeters serve as plug-and-play replacements for our legacy altimeters and are equipped with the best safety measures available. Their unique filtering technology contributes to 5G resiliency and provides pilots with accurate readings from as high as 2,500 feet above ground to aid decision-making and guide landings in extreme weather or otherwise challenging, low-visibility conditions.
Features & benefits
- Accuracy: Delivers crucial height data when it matters most – at low altitudes during landing approach. Accurate to within two feet.
- Radar height: Measures above terrain up to 2,500 feet.
- Full temperature/altitude capability: Maintains high performance within a wide range of conditions.
- Stringent lightning and HIRF hardening: Proven ruggedness for excellent reliability.
- Lightweight: Each unit weighs 4.7 pounds and includes flexibility for reducing antenna cable weight.
- Direct plug-and-replace versions: Upgrading to the ALT-1000 or -4000 is easy for customers flying with Collins Aerospace ALT-55B or ALT-50A radio altimeters.
- Four ARINC 429 digital buses: Eliminates the need for external converters (ALT-4000).
Available with an approved model list, the ALT-1000+ and ALT-4000+ are offered as new solutions, as exchanges, or as part of a service bulletin upgrade.
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