To monitor the state of the atmosphere and measurements of cloud parameters the aircraft equipped with measuring and computing complex (Fig. 1). The complex consists of flight-navigation system, designed to determine the current location and control of flight parameters (altitude, ground speed, true airspeed, angle of drift, etc.) and a set of meteorological instrumentation to record the basic thermodynamic and microphysical characteristics atmosphere and clouds. The structure of the flight-navigation system includes satellite navigation GPS receivers, Doppler angle and speed of drift DISS-013 and connected to the PC board Air Data System, which contains small-sized receivers of static and dynamic pressure and temperature measuring unit connected to a platinum temperature sensor P-104. The complex meteorological instrumentation includes a meter of total and liquid-water content of clouds (LWC/TWC), allowing to measure the value of liquid and total (drops + crystals) cloud water content and composite aircraft condensation hygrometer SKG designed to measure the dew point temperature. Sensors of measuring devices are installed on the plug or the top hatch of the plane (Fig. 2).
All measurement systems are connected to a personal computer (Fig. 3.), which is processing, display and recording of all measured parameters in real time, as well as playing of the flight path with the seeding zones.
Sharing the MCC measurement system allows to obtain on the board in real time the following parameters of the atmosphere and clouds:

Parameters, measured and registered using DAS system.

Kind of parameter
Measuring parameter
Estimated characteristics
1
Navigation parameters
Time
  1. Wind velocity
  2. Wind direction
  3. Relative humidity

Vertical stratification of:

  1. Temperature
  2. Dewpoint temperature
  3. Humidity
  4. Wind velocity
  5. Wind direction
  6. Unstable and inversion layers
2
Geographical coordinates
3
Track
4
Course
5
Angle of drift
6
Azimuth from anchor point
7
Distanse from anchor point
8
Barometric height
9
Ground speed
10
Thermodynamic parameters
Airspeed
11
Actual temperature
12
Dewpoint temperature
13
Microphysical parameters
Liquid water content
  1. Liquid water content LWC
  2. Ice water content IWC
  3. Effective diameter of cloud liquid

Cloud liquid concentration

14
Total (liquid plus ice) water content
15
Extinction coefficient
16
Special parameters
Location and kind of influence
Transfer of zones of influence

 

Fig. 1.

Fig. 2.