OLC Submissions and Cambridge 302

Be advised that we have identfied a problem with the C302 where
valicam2.exe reports "Log Data Integrity OK, Signature Data Integrity
OK, Security Fail" which indicates a bad security seal, even though the
C302 reports that the security seal is good. All we know so far is that
it has happened on a C302 that has produced good logs before without
any known cause (i.e. it wasn't tampered with). Suspected causes are
nearly full memory, and not using the datacam2.exe DOS download
program, but we have not been able to isolate this yet. So if you have
had this problem, please post your story to help us understand the
problem.

Whenever you download an IGC file from the C302 (or any IGC logger) and
want to use it for OLC or FAI badges and records, you must run the IGC
DOS validation program to make sure you have a valid log file. Do this
before you erase the flight from the logger memory. If the file does
not pass validation, download it again, using a different computer if
necessary. If you are using a windows program to download, and still
get an invalid log, try the DOS version of the download program.