“That system was developed at Parker Hannifin in the mid 70s. to the best of my (in this case rather limited) knowledge it was never adopted for commercial airlines.”
Thanks, Nully.
This is quite dangerous. The damn n2 pad system can fit in a closet and cost nothing compared to the cost of lawsuits in one crash!
Nobody even talked about live saved!
BTW, the Islamic calendar year recedes 11 days a year from ours. IOW, it’s 11 days shorter.
I didn’t get the ‘7-year accumulation.
My dad worked on that system. He had some very bitter things to say after FLT 800.
11 days per solar year, but don’t they also stick in an extra month when the lunar calendar gets too far out of sync with the seasons?
You want a real mess? Look at the old Roman calendars! There were three months in the winter that weren’t on the calendar at all! Ten day weeks, one day of weekend
3 July 1998 = 19 Du al Qadah (11th month) 1408
17 July 1996 = 1 Rabi al Awwal (3rd month) 1470
IOW, not an anniversary...