Rule 32: Definitions
- The word “whistle” means any sound signalling appliance capable of producing the prescribed blasts and which complies with the specifications in Annex III to these Regulations.
- The term “short blast” means a blast of about one second’s duration.
- The term “prolonged blast” means a blast of from four to six seconds’ duration.
Categories: IRPCS (Rules)
« Back to Glossary Index