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Loggers’ Whistle Signal Codes

The Timberman, February 1930.

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Pacific Logging Congress

Whistle Signal Code

High Lead Signals

-                                      one short                                           Go ahead on main line

-                                      one short                                           Stop

- -                                   two short                                           Come back on haulback

- - -                                 three short                                         Come ahead easy on main line

- -  - -                             two short and two short                     Come back easy on haulback

- - - -                              four short                                           Slack the main line

- -  - - - - -                      two short and five short                      Slack the haulback

- - -  - -                           three short and two short                   Tight line

– – –                               three medium                                     Hooktender. Followed by three short, call in crew

— —  - - -                      two long and three short                     Donkey doctor

— — —  - -                   three long and two short                     Climber

— — —                         three long                                          Locomotive for switching

— — — —                    four long                                            Foreman

— —  -                           two long and one short                       Oil

—                                   one long                                            Stop oil

— —                              two long                                            Water

—                                   one long                                            Stop water

— — — — — —          six long                                              Man hurt, locomotive and stretcher

— — — — - - - - - -     four long and six short—repeat          Fire

- - - - - - - - - -               succession of shorts                           Danger, blasting at landing

— -                                 one long and one short                       Starting and quitting

Locomotive Signals

— — — —                    four long                                            Foreman

— — — — —               five long                                             Section crew

— — — — — —          six long—repeat                                Man hurt, stretcher

— — — —  - - - -         four long and four short—repeat        Fire

Butt Rigging Signals at Tree

- -                                   two short                                           No choker

- - -                                 three short                                         Strawline

- -  -                                two short and one short                     One choker

- -  - -                             two short and two short                     Two choker

-  - -                                one short and two short                     Bull choker

The above Logging Whistle Signal Code has been adopted by the Whistle Committee of the Pacific Logging Congress as standard for Pacific Coast Logging Operations

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