Engineered Corrugations

Harbour Air Aerospace Services has engineered a solution to the aging wing corrugations in the de Havilland DHC-3 Single Otter. Our corrugations mate with the original de Havilland  corrugates and provide many benefits to operators. Cost savings are realized over OEM corrugations. Please contact us today for pricing and availability.

Component details

  • PDA07-4
  • Transport Canada and FAA approved
  • 2024 T3 Aluminum
  • OEM integration
  • Tested for 9000 lb configuration
  • ¬†New profile for better fitment


  • Integrates easily with original de Havilland corrugates for easy repairs
  • Economical MFG process enable value to be passed on to operators
  • Re-engineered profile has an increased surface mounting area for improved faster to surface contact & fit.

For more information or to purchase, please Contact Aerospace Services part sales:

604-270-1107 or

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