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An small aircraft instructor pilot had an engine roughness while on an instrument training flight. The aircraft landed at its planned destination without further incident.
| Attributes | |
| ACN | 212632 |
| Time | |
| Date | 199206 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : jwn |
| State Reference | TN |
| Altitude | agl bound lower : 0 agl bound upper : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : jwn |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft |
| Flight Phase | descent : approach descent other landing other |
| Route In Use | arrival other enroute : on vectors enroute other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | instruction : instructor oversight : pic |
| Qualification | pilot : atp pilot : cfi pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 60 flight time total : 10500 flight time type : 100 |
| ASRS Report | 212632 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : cfi pilot : commercial pilot : instrument pilot : private pilot : student |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : returned to intended course or assigned course flight crew : declared emergency |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
My student and I were on an instrument dual cross country from cape girardeau, mo, to john C tune airport in nashville, tn. We were being vectored for the visual approach to runway 01. At 12 NM west, descending out of 4000 for 3000 MSL, the engine began to run rough. I requested vectors to the nearest airport and the controller responded that our destination (jwn) was the closest. At this time, the approach controller asked if we were declaring an emergency. It was then I noticed that my student had squawked emergency (7700). I then responded that I was not declaring an emergency since the engine continued to run and considering the distance and altitude I was certain we could make the airport. We made an uneventful landing and upon examination of the engine, we noticed the #3 cylinder had failed.
Original NASA ASRS Text
Title: AN SMA INSTRUCTOR PLT HAD AN ENG ROUGHNESS WHILE ON AN INST TRAINING FLT. THE ACFT LANDED AT ITS PLANNED DEST WITHOUT FURTHER INCIDENT.
Narrative: MY STUDENT AND I WERE ON AN INST DUAL XCOUNTRY FROM CAPE GIRARDEAU, MO, TO JOHN C TUNE ARPT IN NASHVILLE, TN. WE WERE BEING VECTORED FOR THE VISUAL APCH TO RWY 01. AT 12 NM W, DSNDING OUT OF 4000 FOR 3000 MSL, THE ENG BEGAN TO RUN ROUGH. I REQUESTED VECTORS TO THE NEAREST ARPT AND THE CTLR RESPONDED THAT OUR DEST (JWN) WAS THE CLOSEST. AT THIS TIME, THE APCH CTLR ASKED IF WE WERE DECLARING AN EMER. IT WAS THEN I NOTICED THAT MY STUDENT HAD SQUAWKED EMER (7700). I THEN RESPONDED THAT I WAS NOT DECLARING AN EMER SINCE THE ENG CONTINUED TO RUN AND CONSIDERING THE DISTANCE AND ALT I WAS CERTAIN WE COULD MAKE THE ARPT. WE MADE AN UNEVENTFUL LNDG AND UPON EXAMINATION OF THE ENG, WE NOTICED THE #3 CYLINDER HAD FAILED.
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.