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Old 17th Aug 2011, 22:19
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Mark1234
 
Join Date: May 2006
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Reports should be standardised, but the experience will depend to quite a large extent on the size and wing loading of the aircraft. Light wing loadings will be more affected by gusts.

Just for the record, ICAO doc 4444, appendix 1, detailed reporting requirement says:

The following specifications apply:

Light — Conditions less than moderate turbulence. Changes in accelerometer readings less than 0.5 g at the aircraft’s centre of gravity.

Moderate — Conditions in which moderate changes in aircraft attitude and/or altitude may occur but the aircraft remains in positive control at all times. Usually, small variations in air speed. Changes in accelerometer readings of 0.5 g to 1.0 g at the aircraft’s centre of gravity. Difficulty in walking. Occupants feel strain against seat belts. Loose objects move about.

Severe — Conditions in which abrupt changes in aircraft attitude and/or altitude occur; aircraft may be out of control for short periods. Usually, large variations in air speed. Changes in accelerometer readings greater than 1.0 g at the aircraft’s centre of gravity. Occupants are forced violently against seat belts. Loose objects are tossed about.
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