Narrative:

After landing on runway 31L at psp, which involved moderate turbulence as well as a 10-15 KT loss of airspeed over the numbers due to windshear, wind was reported as approximately 290 degrees at 18 KTS gusting to 25 KTS. During rollout, tower controller told us to take the next left or right turn. I also believe the controller said 'taxi to the ramp.' as I exited to the right, on taxiway J, the controller asked us 'how was your ride?' the co-pilot replied 'we lost 10-15 KTS over the numbers.' the controller replied 'thanks, air carrier Y, did you copy that report?' he replied, 'yes, and thanks for the report.' during that exchange, I continued taxiing. Runway 31L&right are fairly close together, therefore, as I was approaching runway 31R, I verified with my co-pilot that we were cleared to cross. He replied, 'controller cleared us to the ramp.' believing I had heard the same, I continued to cross. Upon reaching the other side, I heard the tower tell another aircraft to cancel takeoff clearance. There was a pause and then the tower asked the pilot if we were across and he replied 'yes.' the tower then said that we were not cleared to cross. We were never given hold short instructions or told to contact ground. I continued my taxi to the ramp. Upon reaching the ramp, we were told to contact ground. I contacted ground at that time and was told to contact the tower via the telephone. Contributing factors: 1) stressful landing due to moderate turbulence and windshear. 2) nonstandard communication between tower and crew during critical phase of operations. 3) not clarifying taxi instructions by crew or tower. 4) crew unfamiliarity (flying with contract pilot). 5) fatigue due to 4 hour 15 min flight as well as 9 hours duty time. Corrective actions: 1) using standard communications. 2) clarify all instructions or lack of instructions. 3) be more accurate during critical phases of operations. Supplemental information from acn 612851: I was acting as co-pilot with a captain I rarely fly with. After touchdown during rollout, I believe tower said left or right turn to the ramp. We noticed a king air at the other end of runway 31R in position, but was not rolling. We cleared runway 31R and the king air departed. Tower asked the king air if we were clear of runway 31R when he departed. He said yes. We do not recall being told to hold short of runway 31R. Too much chatter on the radio during landing and crew's lack of clarifying taxi instructions. Crew should listen closer to taxi instructions and request clarification when not 100% sure.

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Original NASA ASRS Text

Title: AFTER LNDG PSP, A WW24 CREW MAY HAVE CROSSED THE PARALLEL RWY WITHOUT CLRNC.

Narrative: AFTER LNDG ON RWY 31L AT PSP, WHICH INVOLVED MODERATE TURB AS WELL AS A 10-15 KT LOSS OF AIRSPD OVER THE NUMBERS DUE TO WINDSHEAR, WIND WAS RPTED AS APPROX 290 DEGS AT 18 KTS GUSTING TO 25 KTS. DURING ROLLOUT, TWR CTLR TOLD US TO TAKE THE NEXT L OR R TURN. I ALSO BELIEVE THE CTLR SAID 'TAXI TO THE RAMP.' AS I EXITED TO THE R, ON TXWY J, THE CTLR ASKED US 'HOW WAS YOUR RIDE?' THE CO-PLT REPLIED 'WE LOST 10-15 KTS OVER THE NUMBERS.' THE CTLR REPLIED 'THANKS, ACR Y, DID YOU COPY THAT RPT?' HE REPLIED, 'YES, AND THANKS FOR THE RPT.' DURING THAT EXCHANGE, I CONTINUED TAXIING. RWY 31L&R ARE FAIRLY CLOSE TOGETHER, THEREFORE, AS I WAS APCHING RWY 31R, I VERIFIED WITH MY CO-PLT THAT WE WERE CLRED TO CROSS. HE REPLIED, 'CTLR CLRED US TO THE RAMP.' BELIEVING I HAD HEARD THE SAME, I CONTINUED TO CROSS. UPON REACHING THE OTHER SIDE, I HEARD THE TWR TELL ANOTHER ACFT TO CANCEL TKOF CLRNC. THERE WAS A PAUSE AND THEN THE TWR ASKED THE PLT IF WE WERE ACROSS AND HE REPLIED 'YES.' THE TWR THEN SAID THAT WE WERE NOT CLRED TO CROSS. WE WERE NEVER GIVEN HOLD SHORT INSTRUCTIONS OR TOLD TO CONTACT GND. I CONTINUED MY TAXI TO THE RAMP. UPON REACHING THE RAMP, WE WERE TOLD TO CONTACT GND. I CONTACTED GND AT THAT TIME AND WAS TOLD TO CONTACT THE TWR VIA THE TELEPHONE. CONTRIBUTING FACTORS: 1) STRESSFUL LNDG DUE TO MODERATE TURB AND WINDSHEAR. 2) NONSTANDARD COM BTWN TWR AND CREW DURING CRITICAL PHASE OF OPS. 3) NOT CLARIFYING TAXI INSTRUCTIONS BY CREW OR TWR. 4) CREW UNFAMILIARITY (FLYING WITH CONTRACT PLT). 5) FATIGUE DUE TO 4 HR 15 MIN FLT AS WELL AS 9 HRS DUTY TIME. CORRECTIVE ACTIONS: 1) USING STANDARD COMS. 2) CLARIFY ALL INSTRUCTIONS OR LACK OF INSTRUCTIONS. 3) BE MORE ACCURATE DURING CRITICAL PHASES OF OPS. SUPPLEMENTAL INFO FROM ACN 612851: I WAS ACTING AS CO-PLT WITH A CAPT I RARELY FLY WITH. AFTER TOUCHDOWN DURING ROLLOUT, I BELIEVE TWR SAID L OR R TURN TO THE RAMP. WE NOTICED A KING AIR AT THE OTHER END OF RWY 31R IN POS, BUT WAS NOT ROLLING. WE CLRED RWY 31R AND THE KING AIR DEPARTED. TWR ASKED THE KING AIR IF WE WERE CLR OF RWY 31R WHEN HE DEPARTED. HE SAID YES. WE DO NOT RECALL BEING TOLD TO HOLD SHORT OF RWY 31R. TOO MUCH CHATTER ON THE RADIO DURING LNDG AND CREW'S LACK OF CLARIFYING TAXI INSTRUCTIONS. CREW SHOULD LISTEN CLOSER TO TAXI INSTRUCTIONS AND REQUEST CLARIFICATION WHEN NOT 100% SURE.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.