Example: Solo Flight in Last 60 Days

	  if (getfieldnum("Solo") == 1)
	    currency_ok = 1;
	

This simple script is executed for all your flights within the last 60 days (or whatever period you specify in the definition), working backwards from the most recent. The script checks if the "Solo" checkbox is turned on. If it is, the currency check is satisfied, and the expiration date will be 60 days (or as specified) from the date of the flight record that satisfied the currency. Example: At Least 3 Instrument Approaches in 3 Calendar Months

	  var dayapps = 0, ngtapps = 0;
	

	  dayapps = dayapps + getfieldnum("Day Inst Apps");
	  ngtapps = ngtapps + getfieldnum("Night Inst Apps");
	  if (dayapps + ngtapps >= 3)
	    currency_ok = 1;
	

This is similar to the last example, except that we now also have two "counter" variables dayapps and ngtapps to keep running totals. For each flight record, we accumulate the number of approaches into the variables until we meet the required total, or run out of flights within the specified time period.

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