 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
PA31 pilot was operating in icing conditions and had attitude instrument problems. He did not have a medical certificate in his possession.
| Attributes | |
| ACN | 533885 |
| Time | |
| Date | 200112 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : hto.vortac |
| State Reference | NY |
| Altitude | msl single value : 5000 |
| Environment | |
| Weather Elements | Ice Snow other |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90.tracon tower : pit.tower |
| Operator | general aviation : personal |
| Make Model Name | PA-31 Navajo Chieftan/Mojave/Navajo T1020 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : multi engine |
| Experience | flight time last 90 days : 26 flight time total : 668 flight time type : 34 |
| ASRS Report | 533885 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : local |
| Events | |
| Anomaly | aircraft equipment problem : critical altitude deviation : overshoot altitude deviation : excursion from assigned altitude inflight encounter : weather inflight encounter other non adherence : published procedure non adherence : far |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | controller : issued new clearance controller : provided flight assist flight crew : declared emergency flight crew : landed in emergency condition flight crew : returned to assigned altitude |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Weather Aircraft |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I was on an IFR flight plan from ttn to owd. During the flight on V139 from manta intersection to the hto VOR, I encountered icing at 7000 ft. I called ATC to report the icing and he asked for the type and temperature. It was light rime ice and it was -12 degrees C. He came back and said that we were cleared to descend to 5000 ft. I began to descend to 5000 ft and we were now in snow conditions. I was keeping a check on the leading edge of my wing and ATC informed me that I was at 4000 ft. I confirmed that I was at 4000 ft and told him that we would climb to 5000 ft and immediately did so. During this time, my attitude indicator was showing me in a right turn. However, the other instruments showed that I was straight and level at 5000 ft. ZNY asked that I contact providence ATC and after calling providence ATC I reported that I was having trouble with an instrument, I would like to declare an emergency and have a heading to the nearest airport. She gave me a heading and permission to descend. Upon reaching 3500 ft, we had visual conditions and landed at groton new london airport. After landing in groton, ct, I was met by a fireman to fill out a report. I gave him my pilot's license to copy, but did not have my medical certificate with me. The next day, I met with a mechanic and we went over the probable causes. I was able to continue my flight VFR and no problems occurred.
Original NASA ASRS Text
Title: PA31 PLT WAS OPERATING IN ICING CONDITIONS AND HAD ATTITUDE INST PROBS. HE DID NOT HAVE A MEDICAL CERTIFICATE IN HIS POSSESSION.
Narrative: I WAS ON AN IFR FLT PLAN FROM TTN TO OWD. DURING THE FLT ON V139 FROM MANTA INTXN TO THE HTO VOR, I ENCOUNTERED ICING AT 7000 FT. I CALLED ATC TO RPT THE ICING AND HE ASKED FOR THE TYPE AND TEMP. IT WAS LIGHT RIME ICE AND IT WAS -12 DEGS C. HE CAME BACK AND SAID THAT WE WERE CLRED TO DSND TO 5000 FT. I BEGAN TO DSND TO 5000 FT AND WE WERE NOW IN SNOW CONDITIONS. I WAS KEEPING A CHK ON THE LEADING EDGE OF MY WING AND ATC INFORMED ME THAT I WAS AT 4000 FT. I CONFIRMED THAT I WAS AT 4000 FT AND TOLD HIM THAT WE WOULD CLB TO 5000 FT AND IMMEDIATELY DID SO. DURING THIS TIME, MY ATTITUDE INDICATOR WAS SHOWING ME IN A R TURN. HOWEVER, THE OTHER INSTS SHOWED THAT I WAS STRAIGHT AND LEVEL AT 5000 FT. ZNY ASKED THAT I CONTACT PROVIDENCE ATC AND AFTER CALLING PROVIDENCE ATC I RPTED THAT I WAS HAVING TROUBLE WITH AN INST, I WOULD LIKE TO DECLARE AN EMER AND HAVE A HEADING TO THE NEAREST ARPT. SHE GAVE ME A HEADING AND PERMISSION TO DSND. UPON REACHING 3500 FT, WE HAD VISUAL CONDITIONS AND LANDED AT GROTON NEW LONDON ARPT. AFTER LNDG IN GROTON, CT, I WAS MET BY A FIREMAN TO FILL OUT A RPT. I GAVE HIM MY PLT'S LICENSE TO COPY, BUT DID NOT HAVE MY MEDICAL CERTIFICATE WITH ME. THE NEXT DAY, I MET WITH A MECH AND WE WENT OVER THE PROBABLE CAUSES. I WAS ABLE TO CONTINUE MY FLT VFR AND NO PROBS OCCURRED.
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.