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A piper PA34 pilot declared critical fuel and was given an ASR approach during which the pilot descended below assigned altitude at far.
| Attributes | |
| ACN | 440850 |
| Time | |
| Date | 199906 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : far.airport |
| State Reference | ND |
| Altitude | msl bound lower : 2150 msl bound upper : 2500 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : far.tracon tower : cle.tower |
| Operator | general aviation : personal |
| Make Model Name | PA-34-200 Seneca I |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | Other |
| Flight Phase | descent : approach |
| Route In Use | approach other |
| Flight Plan | IFR |
| Person 1 | |
| Function | flight crew : single pilot |
| Qualification | pilot : multi engine pilot : instrument pilot : atp |
| Experience | flight time last 90 days : 70 flight time total : 4200 flight time type : 1200 |
| ASRS Report | 440850 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance non adherence : far |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | controller : issued new clearance controller : issued alert flight crew : returned to assigned airspace |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Filed hln to bismark. Winds were better than forecasted. Decided to continue to fargo, sd. Over jamestown was reading lower than normal fuel in left tank. WX at jamestown 300 ft overcast 2 haze. Decided because of better ceiling and visibility to continue to fargo. Halfway to fargo from jamestown I declared critical fuel. I was handled correctly and given an ASR approach. I landed with near fumes in the left tank and 7 gals in the right tank. Estimated, I had 25 mins fuel remaining. While being vectored for ASR I was given an MDA of 1340 ft. I thought at that time I was given permission to descend. At 2150 ft I was told not to descend below 2500 ft and stand by for lower. I immediately returned to 2500 ft.
Original NASA ASRS Text
Title: A PIPER PA34 PLT DECLARED CRITICAL FUEL AND WAS GIVEN AN ASR APCH DURING WHICH THE PLT DSNDED BELOW ASSIGNED ALT AT FAR.
Narrative: FILED HLN TO BISMARK. WINDS WERE BETTER THAN FORECASTED. DECIDED TO CONTINUE TO FARGO, SD. OVER JAMESTOWN WAS READING LOWER THAN NORMAL FUEL IN L TANK. WX AT JAMESTOWN 300 FT OVCST 2 HAZE. DECIDED BECAUSE OF BETTER CEILING AND VISIBILITY TO CONTINUE TO FARGO. HALFWAY TO FARGO FROM JAMESTOWN I DECLARED CRITICAL FUEL. I WAS HANDLED CORRECTLY AND GIVEN AN ASR APCH. I LANDED WITH NEAR FUMES IN THE L TANK AND 7 GALS IN THE R TANK. ESTIMATED, I HAD 25 MINS FUEL REMAINING. WHILE BEING VECTORED FOR ASR I WAS GIVEN AN MDA OF 1340 FT. I THOUGHT AT THAT TIME I WAS GIVEN PERMISSION TO DSND. AT 2150 FT I WAS TOLD NOT TO DSND BELOW 2500 FT AND STAND BY FOR LOWER. I IMMEDIATELY RETURNED TO 2500 FT.
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.