SAR NWC

Question 1

Parachutes

Answer 1

If a parachute remains in the area of the survivor, maintain a minimum of 1 rotor disk separation between parachute canopy and rotor downwash.

Question 2

Inanimate Objects

Answer 2

Swimmer shall not be required to enter the water to effect the rescue of inanimate objects.

Question 3

Smokes

Answer 3

The red phosphorus composition of the Mk 25/58 produces smoke, which is highly caustic to the moist tissues of the nose and throat. Do not breathe this smoke.

The Mk 25 shall not be launched in a hover because of the valve plug possible striking aircraft or personnel.

NATIP:

• Mk 25: 13.5 to 18.5 minutes after water entry
• 40 to 60 minutes

3-50.1:

• Mk 25: 10 to 20 minute
• Mk 58: at least 45 minutes

Question 4

TGT

Answer 4

While operating in a salt spray environment for any period of time, a TGT rise of 20 C or more for a constant torque is an indication of possible salt encrustation and engine performance degradation. A TGT rise of greater than 40 C for a constant torque is an indication of engine performance degradation that may result in compressor stalls.