The report said the pilot, who had 339 hours of flying experience, noticed a vibration shortly after reaching cruising level
and that his engine had begun to "run roughly".
The flight of "balanced growth" that has been obliged to fly with one wing stayed at cruising level
, around 3.5 percent, far from the targeted 5 percent.
And while at Club and Cruising level
, new sails and repairs are in steady turnover, at Grand Prix level, the market is much more competitive.
Imagine a 172 lightly loaded, cruising level
at 100 knots.
If the aircraft climbs towards its cruising level
, the pressurisation rate slows as the cabin nears its maximum altitude.