COLLINS 822-1293-002 Tcas Transmitter Receiver TTR-921

( Brand: Collins ), ( Manufacturer Part Number: 822-1293-002 ), ( Part Type: Receiver )

Review COLLINS Tcas Transmitter Receiver

The Collins TACAS II TTR-921 Transponder is a state-of-the-art avionics system designed to meet the communication and surveillance needs of modern aviation. This transponder receiver is manufactured by Collins Aerospace, a leading provider of advanced avionics solutions for both civil and military applications.

The TTR-921 is a Mode S and ADS-B Out transponder, which means it not only provides the standard Mode A and C identification functions but also offers enhanced surveillance capabilities. Mode S allows for more accurate position reporting and enhanced surveillance, while ADS-B Out enables the transmission of real-time flight information to air traffic control and other aircraft in the vicinity.

The transponder features a compact and rugged design, making it suitable for installation in various types of aircraft. It is also designed to be easy to install and integrate with existing avionics systems. The TTR-921 is approved for use in both Part 23 and Part 25 aircraft and is compliant with DO-260B and DO-282B standards.

The transponder has a large, easy-to-read backlit display that shows various modes of operation, including Mode S identification, ADS-B Out status, and system faults. It also features a user-friendly interface that allows for easy configuration and programming of various settings.

The TTR-921 is designed to be power efficient, with a typical power consumption of less than 3 watts. It also features a built-in temperature sensor and automatic power management system, which helps to ensure reliable operation in extreme temperatures and varying power conditions.

The transponder is also equipped with a built-in GPS receiver, which enables accurate position reporting and ADS-B Out functionality. It also supports various navigation functions, such as LPV approaches and RNAV navigation.

In case of a system fault, the TTR-921 features a built-in self-diagnostic system that provides real-time fault information and can help to isolate and resolve issues quickly. It also features a built-in test (BIT) mode, which allows for in-depth testing and analysis of system performance.

Overall, the Collins TACAS II TTR-921 Transponder is a versatile and advanced avionics system that provides enhanced communication and surveillance capabilities for modern aviation applications. Its compact design, easy-to-use interface, and robust features make it an ideal choice for both commercial and general aviation applications.

Pros and Cons of buying a Collins TACAS II TTR-921 Transponder

The Collins TACAS II TTR-921 transponder is a popular choice among aviators for its advanced features and capabilities. In this analysis, we will discuss the key advantages and disadvantages of investing in this avionics system.

1. Enhanced ADS-B Out Capability: The Collins TTR-921 is a Mode S Extended Squitter (ES) transponder, which offers enhanced Automatic Dependent Surveillance-Broadcast (ADS-B) capabilities. This feature provides more accurate position reporting to Air Traffic Control (ATC) and enhances situational awareness.

2. Improved Safety: The transponder's Mode S capability provides more reliable and accurate identification to ATC and other aircraft. This can lead to increased safety in the cockpit, particularly during periods of reduced visibility or congested airspace.

3. Future-proof Solution: The TTR-921 meets the requirements for upcoming ADS-B Out mandates for both domestic and international flights. Installing this transponder now can save you from having to upgrade later, potentially saving you time and money.

4. User-friendly Interface: The TTR-921 features a straightforward, easy-to-use interface, making it simple for pilots to navigate the system's various functions.

5. Reliable Performance: Collins is a well-known brand in the aviation industry, and their products are renowned for their reliability and durability.

1. Cost: The Collins TTR-921 is a more expensive option compared to some other transponders on the market. This higher price point may be a barrier for some pilots.

2. Installation Complexity: Installing the TTR-921 may require additional wiring and modifications to your existing avionics suite, which can add to the overall cost and complexity of the project.

3. Size: The Collins TTR-921 is a larger unit compared to some other transponders on the market. This may require more substantial mounting provisions or additional modifications to your aircraft's panel.

The Collins TACAS II TTR-921 transponder offers several advantages, such as enhanced ADS-B Out capabilities, improved safety, future-proofing, a user-friendly interface, and reliable performance. However, it also comes with some disadvantages, including a higher cost, installation complexity, and size. Ultimately, the decision to invest in the Collins TTR-921 depends on your specific needs, budget, and aircraft configuration. If safety, reliability, and advanced features are your top priorities, the Collins TTR-921 is an excellent choice. However, if cost and installation complexity are major concerns, you may want to consider alternative transponder options.

For pilots seeking a high-performance, reliable, and future-proof transponder, the Collins TACAS II TTR-921 is an excellent investment. However, it is crucial to weigh the advantages and disadvantages carefully and consider your individual needs, budget, and aircraft configuration before making a final decision.

Details:

Please see photos for product condition, and details. Free shipping only applies to the 48 contiguous states. Regardless of the origin equipment, documentation provided or identification appearing upon equipment described and offered here is in no way certified for, recommended for any specific use. Selling as-is - may be complete, partially functional, or for parts only.

Condition is unknown and no testing has been performed. Part number: 822-1293-002 model: TTR-921 Manufacturer: Collins, Unit was acquired from surplus inventory.

part #: 8221293002 prices

• $1750.00-$19999.99

specifications avionicavioni:

• brand: Collins
• mpn: 822-1293-002
• part type: Receiver

general avionicavioni:

• Aviation Parts Accessories > Avionics > Other Avionics
• condition: For parts or not working

shipping avionicavioni:

• class: Standard
• type: Fixed
• service: Standard
• transit: 4-9 Days
• cost: $0.00

returns avionicavioni:

• policy: No Returns

payments avionicavioni:

• credit card: Mastercard
• other
• wallet: Paypal

offer avionicavioni:

• options: Ship-to-home
• sold: 0
• started: October 16, 2025
• quantity: 1
• best offers: True
• availability: In Stock

seller avionicavioni:

• # reviews: 25891
• rating: 99.6%
• city: Anaheim, California

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