FLC OF AN MDT TURBOPROP ACFT AFTER A STAND UP OVERNIGHT ABORTS THE TKOF WHEN THE RED FLAGS ON AIRSPD INDICATOR AND ALTIMETER ACTIVATE. AFTER RUNNING THE PROPER CHKLISTS; THE PROB CANNOT BE DUPLICATED AND THE ACFT EXECUTES A SUCCESSFUL TKOF. FLC NEGLECTED TO GET A NEW RELEASE TIME FROM DISPATCH.

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IT WAS FOLLOWING A STAND UP OVERNIGHT. THE CREW HAD OBVIOUSLY NOT GOTTEN THE BEST REST; IT WAS THE FO'S LEG. AS HE APPLIED TKOF PWR WE ROLLED MAYBE 100 FT BEFORE THE TKOF WAS REJECTED DUE TO RED OFF FLAGS IN THE FO'S ALTIMETER AND AIRSPD. WE CLRED THE RWY. AT THAT TIME THE PROB CORRECTED ITSELF. THE PROPER CHKLISTS WERE RUN; THE PROB DID NOT REAPPEAR; AND IT WAS DECIDED THAT ANOTHER TKOF WOULD BE MADE. THE WX WAS VFR AND IT WAS DECIDED THAT I WOULD MAKE THE TKOF. THE TKOF WAS MADE AND THE FLT CONTINUED WITHOUT FURTHER INCIDENT. HOWEVER; DUE TO THE EARLY HR AND PRECEDING SHORT LAYOVER; A NEW RELEASE TIME OR VALID TIME WAS NOT OBTAINED FROM DISPATCH. I SIMPLY FORGOT ABOUT IT. I WAS CONCERNED WITH OUR MECHANICAL PROB; A POSSIBLE DUTY REST PROB; AND WANTING TO COMPLETE OUR FLT AND GO HOME FOR REST. THIS WAS NOT A SAFETY OF FLT ISSUE; BUT A TECHNICALITY. I THINK THAT THE SIT COULD HAVE BEEN AVOIDED BY KEEPING CREWS ON A MORE NORMAL SCHEDULE OR AT LEAST GIVING PROPER REST AND PERHAPS HAVING ALL ITEMS ASSOCIATED WITH A REJECTED TKOF; INCLUDING BEING RERELEASED ON THE CHKLIST. I KNOW I WILL NOT FORGET AGAIN; BUT WHAT ABOUT THE NEXT PERSON?