1973 50 years historic
Anne Audain 50 years historic
Snell & Marquita 50 years historic
South Auckland van 50 years historic
Team 50 years historic
Forne and Hubbman 50 years historic
IOF control description updates come into force next year
By Christo Peters - Sat 4 Nov 2023 7:55pm

The IOF’s international specification for control descriptions has been updated in a version, that applies from 2024 onwards. The new specification was published by IOF’s Rules commission and replaces the current version from 2018. It contains several changes, among them a new symbol for map flip under “Special instructions”.

The list of major changes compared to the 2018-version looks like this:

  • Now covers both ISOM and ISSprOM.
  • Description Sheet should be printed in black.
  • If the clarification symbol in column C is not sufficient to unambiguously define the placement of the control flag then the feature is not suitable for a control site.
  • Use of Copse symbol extended to include a more runnable area of trees surrounded by thicker forest.
  • Use of Building symbol extended to include a pillar supporting a roof.
  • New symbol added for a railway or tramway
  • Use of Top and Beneath symbols extended to include a the Upper or Lower of two levels.
  • New symbol added for a map flip (turn the map over).

Share this on:

Leave a reply

You must be logged in to post a comment.

ONZ COVID-19 Information