TM 11-5841-283-12/NAVAIR 16-30APR39-1
1-10. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.
FORWARD LEFT SPIRAL ANTENNA. Quadrant I; Unit 6. Mounted on outside air-
1.
frame. Picks up high band signals and relays them to the forward radar receiver.
2.
RADAR SIGNAL INDICATOR. Quadrant I; Unit 2. Mounted on instrument panel.
Alerts the aircraft operator, or other observer, to the presence of a signal. Warning light,
located on upper left corner of indicator, flashes when an activated SAM site is detected.
3.
BLADE ANTENNA. Middle of Quadrant I and IV; Unit 10. Mounted on underside of
4.
COMPARATOR. Middle of Quadrant I and IV; Unit 3. Mounted on inside airframe.
Electronically decides whether an incoming signal is a threat or a nonthreat.
AFT RADAR RECEIVER. Middle of Quadrant II and Ill; Unit 5. Mounted on inside
5.
aircraft in tail boom. Filters, detects, and amplifies the signals received by the spiral antennas.
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