AFTER BROADCASTING HIS INTENSIONS AND CHECKING FOR TFC; A DO328 TAXIS IN POS ON RWY 20 AT DRO; AS A C208 ADVISES THEM THAT HE'S STILL ON HIS LNDG ROLL FROM THE OPPOSITE DIRECTION.

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FLT DRO - DEN; WE TAXIED OUT. MADE TAXI TO RWY CALL ON UNICOM FREQ 122.8. REPLY FROM CARAVAN THAT HE WAS TURNING FINAL RWY 02. WE COMPLETED OUR CHECKLISTS. GAINED OUR CLEARANCE FROM DENVER CENTER FOR DEP. I HAD THE FO ON THE R SIDE OF THE ACFT VISUALLY CLEAR THE RWY (APPROX 5 MINS HAD LAPSED SINCE THE OTHER ACFT HAD CALLED TURNING FINAL. WE HAD HEARD NO OTHER XMISSIONS SINCE.) WE WERE TO DEPART RWY 20. IT WAS DUSK/DARK THE FO REPLIED THE RWY WAS CLEAR. I ASKED THE FO TO XMIT THAT WE WERE DEPARTING RWY 20; AT DRO. HE DID NO IMMEDIATE REPLY THEN AS WE WERE TAXIING OUT WE HEARD; '(RWY) 11; LANDING.' IT WAS A WEAK GARBLED XMISSION THAT I THOUGHT WAS AT A DIFFERENT ARPT. HOWEVER; SINCE WE EARLIER HAD CONFLICTING TFC I ASKED THE FO TO CHECK AGAIN THAT THE RWY WAS CLEAR. HE DID AND SAID IT WAS CLEAR. AS AN EXTRA PRECAUTION I HAD HIM AGAIN CALL THAT WE WERE DEPARTING RWY 20; AT DRO. ABOUT THIS TIME WE ARE TAXIING INTO POS. I HAD CLEARED THE L SIDE OF THE RWY AS WE TURNED R INTO POS AND HOLD; I LOOKED INTENTLY DOWN THE RWY. ALL THE LIGHTS I SAW LOOKED LIKE THEY WERE PART OF THE RWY ENVIRONMENT. THERE WAS NO STROBE AND NO LNDG LIGHT THAT WOULD IDENTIFY AN ACFT ON THE RWY. IN RESPONSE TO OUR SECOND TAKE OFF CALL WE HEARD 'HEY WAIT A MINUTE; I'M STILL ROLLING OUT.' COMING FROM THE CARAVAN PLT. I IMMEDIATELY TURNED THE ACFT BACK TO THE HOLD SHORT AREA AND EXITED THE RWY. AFTER HE WAS CLEAR I ADVISED HIM; HIS XMISSIONS APPEARED TO BE WEAK. WE DEPARTED NORMALLY. FACTORS: 1. UNCONTROLLED ARPT -- DRO NEEDS A TOWER WITH THE AMOUNT OF TFC BOTH THERE AND ANIMAS FIELD 5 NM AWAY; STORIES OF NUMEROUS CONFLICTS. 2. TIME OF DAY -- DUSK (DARK) VISUAL ACUITY MAY BE ITS WEAKEST. LIGHTS OF THE CARAVAN WERE NOT DISTINGUISHABLE FROM THE RWY ENVIRONMENT AT THAT DISTANCE. 3. IFR CLEARANCE -- THERE IS A CERTAIN URGENCY TO GET AIRBORNE QUICKLY AFTER GETTING YOUR IFR CLEARANCE. THIS IS CONSTANTLY IMPLIED BY CENTER ASKING 'HOW SOON TILL YOU WILL BE OFF.' 4. CESSNA CARAVAN -- BOTH THE LIGHTS AND XMITTER ON THIS CARAVAN APPEAR WEAK. 5. CARAVAN PLT -- MADE TOO FEW OF CALLS IN BLIND AS TO WHERE HE WAS ON APCH. 6. CRM -- FO WAS DIFFICULT TO WORK WITH ON TRIP (AT TIMES) INITIATED CHKLISTS BEFORE THEY WERE CALLED FOR; WEAK OR IMPROPER INTRA COCKPIT COM. DIFFICULT TO BUILD TEAM CONCEPT. FO WANTED TO RUSH -- MAY HAVE NOT SET PROPER ATMOSPHERE. I SHOULD HAVE BETTER BRIEFED HIM AND DEMANDED STANDARD PRACTICES. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STRESSED IT SHOULD BE MANDATED THAT THE UNICOM/CTAF FREQUENCIES BE MANNED DURING BUSY HOURS AT ALL UNCONTROLLED ARPTS WHERE THERE IS A GOOD MIX OF TFC. RPTR ALSO SAID THAT HE HAS TRIED SEVERAL TIMES TO UTILIZE HIS TCAS II TO PICK UP OTHER TFC WHILE ON THE GROUND AT DRO; BUT BECAUSE OF THE HIGH TERRAIN IT HAS BEEN USELESS.