Table 8-11. Threat Array Page 025 Inputs

Figure 8-14. Threat Array Page 025 Display

KILL CONDITIONS FOR ANTI-AIRCRAFT ARTILLERY SITES

TM-55-6930-212-10 Pyrometer and Thermocouple Tester Field Type N-3A Manual
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TM 55-6930-212-10 Table 8-11. Threat Array Page 025 Inputs Column Description Input 1 Threat types ZSU23-4 1 SA-4 2 SA-6 3 SA-8 4 Flapwheel 5 2 Threat activity level Off 0 Search 1 Acquisition 2 Track 3 Missile active 4 3 Threat location Degrees, minutes, (Latitude-N/S) seconds 4 Threat location Degrees, minutes (Longitude-E/W) seconds 5 Threat elevation 0 to 9999 feet (above mean sea level- MSL) NOTE At Todendorf, the visual threat type may not coincide with the EW types on page 025 and the AN/APR-39 indicator; that is, the visual object may not look like the EW threat specified for that location. 8-96. The EW threats are activated in either a manual or automatic mode of operation. In both modes, the flight station must be integrated with the visual system. In the manual mode, the instructor edits the ACTIVE column (column 2) of the threat array page for the particular threat to be activated. Applicable activity levels are shown at the bottom of the threat array page. For the automatic mode of operation, the instructor should set line 11, column 2 to a 1. As soon as a line-of-sight (LOS) between the aircraft and threat has been established, the visual signal of the threat appears on the APR-39 indicator, and an audio tone can be heard over the pilot and copilot headsets. In the automatic mode, the threat automatically advances to the next most lethal mode as long as the LOS has not been broken. In the manual mode, threat modes are not upgraded. 8-91

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