means—
| (a) | searching for, catching, taking or harvesting fish or an attempt to any such activity; |
| (b) | engaging in any other activity which can reasonably be expected to result in the locating, catching, taking or harvesting of fish; |
| (c) | placing, searching for or recovering any fish aggregating device or associated gear, including radio beacons; |
| (d) | any operation in support or in preparation of any activity described in this definition; or |
| (e) | the use of an aircraft in relation to any activity described in this definition; |