DGUV Information 214-911e - Safe operations of helicopters during aerial work

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Abschnitt 6.5 - 6.5 Flights with spray media

Flights with spray media are flights for the spreading of liquid plant treatment agents in agriculture, forestry and wine growing.

Additional equipment

For the spreading of plant treatment agents for example:

  • baskets

  • spraying devices or systems

can be used. The spraying device or system must comply with the requirements of the regulation on plant protection products and plant protection equipment and the directives for spreading plant protection agents using aircraft. This can be carried out, for example, with a sample approval or a complementary approval of the device or system in connection with the helicopter.

All ground working materials for the preparation and pumping of the spraying agent must also comply with this regulation and the directive.

Display equipment is necessary within the visual range of the helicopter pilot in order to operate a spraying device or system, to make the operating pressure in the system visible, the switching status of the spraying valve and the indication of the remaining amount in the spraying agent container.

Flight operation

The assignment for the spraying of liquid plant treatment agents must be reported to the competent authority according to the directives for spraying plant protection agents using aircraft.

The personnel (also external) deployed by the employer must have specialist knowledge and skills in handling plant treatment agents. The helicopter pilot should have completed training in the field of crop spraying.

The employer has to ensure appropriate occupational medical prophylaxis on the basis of the risk assessment.

If several helicopters are used, the employer has to organise the necessary coordination about safe flight execution.

To ensure a homogeneously high spreading quality wind direction indicators, wind speed, temperature and air humidity measuring devices are useful tools.

Further measures to minimise hazards can result from the risk assessment.