Narrative:

Jabara airport is under construction for runway length. Because of the construction, all but 2 of the taxiways leading up to the runway were closed. I have been instructing/flying out of jabara for yrs. Local NOTAMS define a displaced threshold due to runway length. I did not check NOTAMS on date of subject flight. Upon taxiing out, I did not realize all but 2 of the taxiways were closed. My student requested and received advisory information from unicom. A moment later, unicom informed us we would have to taxi to the end and back taxi due to taxiways being closed. After a short delay for landing traffic we back taxied, past the displaced threshold. We then turned into the wind 180 degrees for runup, approximately 500 ft from the end of the runway. All the while the construction crews and equipment were proceeding what appeared to be normally. A short field takeoff ensued without incident. Today, oct/xx/92, I return a call to ms. X at 3 KM who said they were very upset that we did not ask for permission to taxi/takeoff behind the displaced threshold. Being by definition a displaced threshold, I did not request permission to back taxi and takeoff behind the displaced threshold. The wichita airport authority, who suggested jabara contact me, is apparently furious that someone did not comply with the local NOTAM to request full runway length 30 mins prior. Lesson learned: check NOTAMS each day, even for local training flts. Local NOTAMS, class D, FSS (ict) do not have any data requiring a pilot to give prior notice to use runway behind displaced threshold.

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Original NASA ASRS Text

Title: SMA BACK TAXIES ONTO DISPLACED THRESHOLD AND DEPARTS.

Narrative: JABARA ARPT IS UNDER CONSTRUCTION FOR RWY LENGTH. BECAUSE OF THE CONSTRUCTION, ALL BUT 2 OF THE TAXIWAYS LEADING UP TO THE RWY WERE CLOSED. I HAVE BEEN INSTRUCTING/FLYING OUT OF JABARA FOR YRS. LCL NOTAMS DEFINE A DISPLACED THRESHOLD DUE TO RWY LENGTH. I DID NOT CHK NOTAMS ON DATE OF SUBJECT FLT. UPON TAXIING OUT, I DID NOT REALIZE ALL BUT 2 OF THE TAXIWAYS WERE CLOSED. MY STUDENT REQUESTED AND RECEIVED ADVISORY INFO FROM UNICOM. A MOMENT LATER, UNICOM INFORMED US WE WOULD HAVE TO TAXI TO THE END AND BACK TAXI DUE TO TAXIWAYS BEING CLOSED. AFTER A SHORT DELAY FOR LNDG TFC WE BACK TAXIED, PAST THE DISPLACED THRESHOLD. WE THEN TURNED INTO THE WIND 180 DEGS FOR RUNUP, APPROX 500 FT FROM THE END OF THE RWY. ALL THE WHILE THE CONSTRUCTION CREWS AND EQUIP WERE PROCEEDING WHAT APPEARED TO BE NORMALLY. A SHORT FIELD TKOF ENSUED WITHOUT INCIDENT. TODAY, OCT/XX/92, I RETURN A CALL TO MS. X AT 3 KM WHO SAID THEY WERE VERY UPSET THAT WE DID NOT ASK FOR PERMISSION TO TAXI/TKOF BEHIND THE DISPLACED THRESHOLD. BEING BY DEFINITION A DISPLACED THRESHOLD, I DID NOT REQUEST PERMISSION TO BACK TAXI AND TKOF BEHIND THE DISPLACED THRESHOLD. THE WICHITA ARPT AUTHORITY, WHO SUGGESTED JABARA CONTACT ME, IS APPARENTLY FURIOUS THAT SOMEONE DID NOT COMPLY WITH THE LCL NOTAM TO REQUEST FULL RWY LENGTH 30 MINS PRIOR. LESSON LEARNED: CHK NOTAMS EACH DAY, EVEN FOR LCL TRAINING FLTS. LCL NOTAMS, CLASS D, FSS (ICT) DO NOT HAVE ANY DATA REQUIRING A PLT TO GIVE PRIOR NOTICE TO USE RWY BEHIND DISPLACED THRESHOLD.

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.