In the ole ATPL(H) material Hydraulic Lock is described as different to Jack Stall- which if I remember correctly is a hydraulic force overload. Hydraulic Lock as I understood it from the ATPL(H) studies is a failure (design or mechanical) in which the hydraulic pressure gets around the back of the relevant actuator(s) and the controls become hydraulically 'locked'.
Definition of mourn - feel or show sorrow for the death of (someone), typically by following conventions such as the wearing of black clothes Definition of mourn - feel or show sorrow for the death of (someone), typically by following conventions such as the wearing of black clothes dictionary thesaurus
Meaning of âdiurnalâ in the English Dictionary. diurnal in British English. diurnaladjective. But he probably neglected to keep diurnal notes. Of the former they have no measure but the visible diurnal motion of the sun or the monthly revolution of the moon. The diurnal revolution of the earth brings the joyful sunrise and the pathetic sunset.