5 Maximum/minimum allowable altitude of WIG craft in different flight modes
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1592 – Guidelines for Wing-In-Ground Craft - (18 May 2018) - Annex - Guidelines for Wing-In-Ground Craft - Part A - General - 5 Maximum/minimum allowable altitude of WIG craft in different flight modes

5 Maximum/minimum allowable altitude of WIG craft in different flight modes

 5.1 Main operational mode (ground effect mode) for types A, B and C:

  • - the maximum allowable altitude corresponds to the maximum vertical extent of ground effect as defined in 4.20.

 5.2 Fly-over mode for types B and C for emergency situations:

  • - the maximum allowable altitude for a flight outside of ground effect should be based on the craft's technical features, taking into account the area of operation, but this altitude is not to exceed 150 m.

 5.3 Aircraft mode for type C:

  • - the minimum altitude of the flight corresponds to the minimum safe altitude for an aircraft prescribed by ICAO regulations. When flying over water it should be at least 150 m; and

  • - the maximum allowable altitude of the flight is determined in accordance with ICAO provisions.

Parent topic: Part A - General
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