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Pilot of a lancair, LNC4 flew through restr airspace during IFR flight due to misunderstanding flight plan clearance.
| Attributes | |
| ACN | 448440 |
| Time | |
| Date | 199909 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| State Reference | FL |
| Altitude | msl bound lower : 4000 msl bound upper : 8000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : vacating altitude climbout : intermediate altitude |
| Route In Use | enroute other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 60 flight time total : 26000 flight time type : 2000 |
| ASRS Report | 448440 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | airspace violation : entry non adherence : clearance non adherence other other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance controller : issued alert flight crew : exited penetrated airspace none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Filed dab direct 2945/08145 direct M79. Clearance received and read back: to M79 via crg 178 degree radial, royes, as filed.... I flew that clearance. After passing royes intersection, flying direct to 2945/08145, center advised my clearance was royes/crg as filed. I asked if I should proceed or turn back to crg. They said they would check. No direction was given and they said to continue (passing over R2903A) I believe that clearance should have been worded 'to M79 via radar vectors, royes, V267, craig, as filed, then I would have understood that 'craig' was a fix to be flown to, not a VOR that the '178 degree radial' originated from.
Original NASA ASRS Text
Title: PLT OF A LANCAIR, LNC4 FLEW THROUGH RESTR AIRSPACE DURING IFR FLT DUE TO MISUNDERSTANDING FLT PLAN CLRNC.
Narrative: FILED DAB DIRECT 2945/08145 DIRECT M79. CLRNC RECEIVED AND READ BACK: TO M79 VIA CRG 178 DEG RADIAL, ROYES, AS FILED.... I FLEW THAT CLRNC. AFTER PASSING ROYES INTXN, FLYING DIRECT TO 2945/08145, CTR ADVISED MY CLRNC WAS ROYES/CRG AS FILED. I ASKED IF I SHOULD PROCEED OR TURN BACK TO CRG. THEY SAID THEY WOULD CHK. NO DIRECTION WAS GIVEN AND THEY SAID TO CONTINUE (PASSING OVER R2903A) I BELIEVE THAT CLRNC SHOULD HAVE BEEN WORDED 'TO M79 VIA RADAR VECTORS, ROYES, V267, CRAIG, AS FILED, THEN I WOULD HAVE UNDERSTOOD THAT 'CRAIG' WAS A FIX TO BE FLOWN TO, NOT A VOR THAT THE '178 DEG RADIAL' ORIGINATED FROM.
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.