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Pilot of an small aircraft descended below the MDA on an IAP prior to reaching the FAF. At the FAF he realized where he was and continued to the airport VFR. Altitude deviation altitude excursion.
| Attributes | |
| ACN | 329910 |
| Time | |
| Date | 199603 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : olk airport : smd |
| State Reference | IN |
| Altitude | msl bound lower : 1350 msl bound upper : 2500 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : fwa |
| Operator | general aviation : corporate |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 200 flight time total : 2900 flight time type : 40 |
| ASRS Report | 329910 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : published procedure |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On arrival at smd, IMC prevailed with light freezing rain. During setup for the approach I used the boots and alcohol (windshield) to keep the airplane free of ice. After joining the approach course and because of my preoccupation with the icing conditions I prematurely descended to MDA before the final approach fix. I realized at the FAF where I was and continued (VFR) to the airport and landing. It was my first trip in a deice airplane in icing conditions so my concern for the ice got me out of synch on the approach.
Original NASA ASRS Text
Title: PLT OF AN SMA DSNDED BELOW THE MDA ON AN IAP PRIOR TO REACHING THE FAF. AT THE FAF HE REALIZED WHERE HE WAS AND CONTINUED TO THE ARPT VFR. ALTDEV ALT EXCURSION.
Narrative: ON ARR AT SMD, IMC PREVAILED WITH LIGHT FREEZING RAIN. DURING SETUP FOR THE APCH I USED THE BOOTS AND ALCOHOL (WINDSHIELD) TO KEEP THE AIRPLANE FREE OF ICE. AFTER JOINING THE APCH COURSE AND BECAUSE OF MY PREOCCUPATION WITH THE ICING CONDITIONS I PREMATURELY DSNDED TO MDA BEFORE THE FINAL APCH FIX. I REALIZED AT THE FAF WHERE I WAS AND CONTINUED (VFR) TO THE ARPT AND LNDG. IT WAS MY FIRST TRIP IN A DEICE AIRPLANE IN ICING CONDITIONS SO MY CONCERN FOR THE ICE GOT ME OUT OF SYNCH ON THE APCH.
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.