SPERRY 4004437-902 Aircraft Radar Altimeter Receiver RT-221 Transceiver P/n

( Brand: Sperry ), ( Manufacturer Part Number: 4004437-902 ), ( Part Type: Altimeter Receiver Transceiver ), ( Compatible Make: Avionics ), ( Country Of Origin: United States )

Review SPERRY Aircraft Radar Altimeter Receiver Transceiver P/n

Introducing the Sperry 4004437-902 Aircraft RT-221 Radar Altimeter Receiver Transceiver, a crucial avionics component designed to enhance the safety and efficiency of your aircraft's flight operations. This advanced radar altimeter system is manufactured by Sperry, a leading name in avionics technology known for its innovative solutions and unwavering commitment to aviation safety.

The RT-221 Radar Altimeter Receiver Transceiver is a versatile and reliable system that employs state-of-the-art radar technology to measure the height of an aircraft above the ground with great precision. It is designed to provide accurate and consistent readings, even in challenging environmental conditions, such as heavy rain, fog, or icing. This information is vital for maintaining a safe flying altitude during takeoff, landing, and other critical phases of flight.

The Sperry 4004437-902 RT-221 is a compact and lightweight system, making it an ideal choice for various types of aircraft, including fixed-wing and rotary-wing platforms. The system boasts a user-friendly design, with clear and concise digital displays that provide real-time altitude readings and various alerts. The system is also equipped with a built-in autopilot interface, allowing for seamless integration with your aircraft's flight control systems.

The RT-221 Radar Altimeter Receiver Transceiver is designed to meet the stringent requirements of various aviation regulatory agencies, including the Federal Aviation Administration (FAA) and European Aviation Safety Agency (EASA). It is also compliant with the latest industry standards, such as DO-160E for environmental testing and DO-214B for system design and performance.

In terms of installation, the Sperry 4004437-902 RT-221 is designed to be easily integrated into your aircraft's avionics suite. It comes with a comprehensive installation kit, which includes all necessary wiring harnesses, mounting hardware, and installation instructions. The system is also backed by Sperry's industry-leading customer support, ensuring that you receive the assistance you need to ensure a successful installation and seamless system integration.

In summary, the Sperry 4004437-902 Aircraft RT-221 Radar Altimeter Receiver Transceiver is a cutting-edge avionics solution designed to enhance the safety and efficiency of your aircraft's flight operations. With its advanced radar technology, user-friendly design, and compliance with the latest aviation regulations, this system is an essential addition to any aircraft's avionics suite.

The Sperry 4004437-902 radar altimeter receiver transceiver is a critical avionics component used for terrain following and obstacle detection in aviation. Here are some pros and cons of purchasing this part.

1. Reliability: Sperry is a well-known brand in the avionics industry, and this particular model is known for its robustness and dependability.

2. Safety: Radar altimeters are essential safety equipment for aircraft, enabling pilots to maintain a safe distance from the ground, especially during takeoff and landing.

3. Compatibility: The Sperry 4004437-902 is compatible with various aircraft models and can be integrated seamlessly with existing avionics systems.

4. Advanced features: This model includes advanced features such as terrain following capability, which can help pilots maintain a consistent altitude above the ground.

1. Cost: Radar altimeters are an essential safety component, but they can be expensive. The Sperry 4004437-902 is no exception.

2. Complexity: Radar altimeters are complex systems with numerous components and wiring connections. Installing and integrating this part can be a challenging process, requiring specialized knowledge and expertise.

3. Maintenance: Regular maintenance is essential to keep radar altimeters functioning correctly. This can include calibration checks, software updates, and replacement of worn parts.

The Sperry 4004437-902 radar altimeter receiver transceiver is a valuable investment for any aviation operation. Its reliability, safety features, and compatibility make it a worthwhile addition to any aircraft. However, its high cost and complexity are important considerations, and potential buyers should ensure they have the necessary resources to install, maintain, and integrate this part properly.

If you are in the market for a radar altimeter, I would recommend considering the Sperry 4004437-902 as a strong contender. Its reputation for dependability and advanced features make it a top choice. However, be sure to carefully consider the costs and complexities involved in purchasing and installing this part. It may be worth exploring financing options or partnering with an avionics expert to help manage the installation process. Ultimately, the safety benefits of a radar altimeter make it a worthwhile investment for any aviation operation.

Details:

Important: Shipping within US only. This is a Sperry RT-221 Radio Altimeter transceiver. It is in good used condition and has not been tested. Not being sold as flight worthy.

Matting connector is included.

specifications avionicavioni:

• brand: Sperry
• mpn: 4004437-902
• part type: Altimeter Receiver Transceiver
• compatible make: Avionics
• country of origin: United States

offer avionicavioni:

• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: January 7, 2026

seller avionicavioni:

• city: Tucson, Arizona
• rating: 100.0%
• # reviews: 1060

shipping avionicavioni:

• service: USPS Ground Advantage
• cost: $23.35
• transit: 8-13 Days
• carrier: USPS
• class: Standard
• type: Calculated

returns avionicavioni:

• policy: No Returns

payments avionicavioni:

• other
• wallet: Paypal
• credit card: Visa

general avionicavioni:

• Aviation Parts Accessories > Avionics > Other Avionics
• condition: Used

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