Part 138 (Aerial Work Operations) Manual of Standards 2020
Part 16REQUIREMENTS FOR DISPENSING OPERATIONS
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CHAPTER 16 REQUIREMENTS FOR DISPENSING OPERATIONS
16.01 Application
This Chapter applies to the following operators (operators):
16.02 Dispensing operations to be in VMC
For subregulation 138.425 (2), an operator and the pilot in command must ensure that a dispensing operation is conducted only in VMC, unless the operation is:
(a) cloud seeding conducted in IMC; or
(b) dispensing in the course of an ESO for a surveillance or SAR operation that is carried out:
(i) by an aerial work certificate holder; and
(ii) in accordance with the procedures in the operator’s operations manual.
Note An aerial application operation under regulation 137.010 of CASR is not a dispensing operation — see paragraph 138.010 (5) (e).
16.03 Requirements for dispensing operations
(1) For subregulation 138.425 (2), an operator and the pilot in command must ensure that the requirements set out in this section are complied with for a dispensing operation over land or water.
(2) The substance or object to be dropped or released in the dispensing operation must be carried:
(a) inside the aircraft; or
(b) in a manner specified in the AFM; or
(c) in a manner set out in the operator’s operations manual.
(3) The opening through which the substance or object is dropped must be such that, when dropped, the substance or object does not:
(a) damage any part of the aircraft; or
(b) affect the operation of any part of the aircraft.
(4) The size to weight ratio of each individual object to be dropped must be such that, when released, the object immediately drops away from the aircraft.
(5) The dimensions of the site on to which the substance or object is to be dropped (the drop site) must be such that there is no risk of the substance or object falling outside the site.
(6) Subsection (5) does not apply to the following:
(a) an ESO; or
(b) the dropping of leaflets, liquids, powders or fine grains;
provided that what falls outside the drop site does not create a hazard for persons or property anywhere.
(7) A drop site must be cleared of all persons and livestock before a substance or object is dropped onto the site.
(8) Subsection (7) does not apply if:
(a) a risk assessment, performed in accordance with Chapter 13, establishes that dropping the substance or object on the site, in the circumstances, does not constitute an unacceptable risk of injury or damage to any person, property or livestock on the site; or