Modern TACAN systems are designed for seamless integration with aircraft avionics through standardized digital interfaces such as ARINC 429 and MIL-STD-1553B. These interfaces enable the system to function in coordination with Inertial Navigation Systems (INS) or Flight Management Systems (FMS), enhancing navigation accuracy and operational efficiency. Though often referred to as “secure” in casual descriptions, it is more accurate to characterize TACAN as “reliable and interference-resistant,” given its lack of cryptographic security features. When integrated effectively, TACAN supports mission-critical operations by providing robust navigational data, particularly in environments where satellite navigation systems may be denied or degraded.
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