Profile: Fernau Avionics Limited supplies ground based navigation aids for military, naval and civil aviation industry. The 2010 TACAN is suitable for independent siting and for co-location with all known VOR and DVOR systems. The advanced features of the 2010 are brought about by the extensive use of programmable logic devices (PLD's). It is available in a variety of configurations including single and dual, with output power up to a full 5kW, capable of an operational range of more than 300NM. Other alternatives are available including road and C130 transportable systems. The dual 2010 TACAN is able to operate in TACAN, silent, demand and DME only modes. The 2100 personal locator beacon (PLB) is a multi-function 3 frequency search and rescue beacon operating on cospas/sarsat 406MHz alerting frequency with homing transmissions on 121.5MHz and 243MHz. The beacon provides simplex speech communication on 121.5MHz and 243MHz and incorporates embedded GPS. A separate GPS antenna is provided to ensure the GPS fix is obtained as early as possible. Activation is automatic upon ejection, manual or by salt water immersion.