Narrative:

During the arrival, we received the ATIS and discussed landing options. At the time of arrival, the winds were reported to be 290 degrees at 20 KTS with 10 mi visibility. Also at the time of arrival, the NOTAMS reported several taxiway closures and that the airport was running an emergency drill that afternoon at XA00. At this time, the first officer and I discussed our options for landing at hpn. I asked the first officer for the runway information (ie, length and width). We checked the performance chart for our landing weight and found that we met the part 135 landing requirement for a 4451 ft runway. At this time, we requested if runway 29 were available and we were cleared for the visual to runway 29. The approach, landing and rollout were normal. After the trip was completed it was brought to our attention that runway 29 at hpn has a displaced threshold and that the landing distance available is 3154 ft the factored landing distance required for our landing weight was 3890 ft with a 450 ft reduction for the 20 KT headwind requiring us to have 3440 ft available. I have reviewed the airport diagram at hpn and can see how the displaced threshold can be missed due to its close proximity to the runway intersection. I think that the displaced threshold marker on the pictorial diagram should be more well defined. The runway length should represent the total distance and the distance from the displaced threshold this would allow pilots to more easily interpretation the airport diagrams. Supplemental information from acn 450549: first officer failed to realize and did not relay to captain that runway 29 at hpn had a displaced threshold and only 3154 ft available. This was inadequate for proposed operations. A more suitable runway should have been selected. Factors affecting first officer's judgement, decision making, including preoccupation with numerous VFR traffic, inability to confirm ground transportation with FBO for passenger, putting passenger convenience over operations of aircraft on approach and landing. In the future, more precise interpretation of approach.

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Original NASA ASRS Text

Title: AIR TAXI CREW LANDS ON RWY THAT WAS DETERMINED LATER TO BE TOO SHORT FOR THEIR OP.

Narrative: DURING THE ARR, WE RECEIVED THE ATIS AND DISCUSSED LNDG OPTIONS. AT THE TIME OF ARR, THE WINDS WERE RPTED TO BE 290 DEGS AT 20 KTS WITH 10 MI VISIBILITY. ALSO AT THE TIME OF ARR, THE NOTAMS RPTED SEVERAL TXWY CLOSURES AND THAT THE ARPT WAS RUNNING AN EMER DRILL THAT AFTERNOON AT XA00. AT THIS TIME, THE FO AND I DISCUSSED OUR OPTIONS FOR LNDG AT HPN. I ASKED THE FO FOR THE RWY INFO (IE, LENGTH AND WIDTH). WE CHKED THE PERFORMANCE CHART FOR OUR LNDG WT AND FOUND THAT WE MET THE PART 135 LNDG REQUIREMENT FOR A 4451 FT RWY. AT THIS TIME, WE REQUESTED IF RWY 29 WERE AVAILABLE AND WE WERE CLRED FOR THE VISUAL TO RWY 29. THE APCH, LNDG AND ROLLOUT WERE NORMAL. AFTER THE TRIP WAS COMPLETED IT WAS BROUGHT TO OUR ATTN THAT RWY 29 AT HPN HAS A DISPLACED THRESHOLD AND THAT THE LNDG DISTANCE AVAILABLE IS 3154 FT THE FACTORED LNDG DISTANCE REQUIRED FOR OUR LNDG WT WAS 3890 FT WITH A 450 FT REDUCTION FOR THE 20 KT HEADWIND REQUIRING US TO HAVE 3440 FT AVAILABLE. I HAVE REVIEWED THE ARPT DIAGRAM AT HPN AND CAN SEE HOW THE DISPLACED THRESHOLD CAN BE MISSED DUE TO ITS CLOSE PROX TO THE RWY INTXN. I THINK THAT THE DISPLACED THRESHOLD MARKER ON THE PICTORIAL DIAGRAM SHOULD BE MORE WELL DEFINED. THE RWY LENGTH SHOULD REPRESENT THE TOTAL DISTANCE AND THE DISTANCE FROM THE DISPLACED THRESHOLD THIS WOULD ALLOW PLTS TO MORE EASILY INTERP THE ARPT DIAGRAMS. SUPPLEMENTAL INFO FROM ACN 450549: FO FAILED TO REALIZE AND DID NOT RELAY TO CAPT THAT RWY 29 AT HPN HAD A DISPLACED THRESHOLD AND ONLY 3154 FT AVAILABLE. THIS WAS INADEQUATE FOR PROPOSED OPS. A MORE SUITABLE RWY SHOULD HAVE BEEN SELECTED. FACTORS AFFECTING FO'S JUDGEMENT, DECISION MAKING, INCLUDING PREOCCUPATION WITH NUMEROUS VFR TFC, INABILITY TO CONFIRM GND TRANSPORTATION WITH FBO FOR PAX, PUTTING PAX CONVENIENCE OVER OPS OF ACFT ON APCH AND LNDG. IN THE FUTURE, MORE PRECISE INTERP OF APCH.

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.