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An ATP rated pilot flying a piper aerostar into whp receives low altitude alert from ATC while on the final approach segment of a non precision approach.
| Attributes | |
| ACN | 444000 |
| Time | |
| Date | 199907 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | navaid : vny.vor |
| State Reference | CA |
| Altitude | msl single value : 1820 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sct.tracon |
| Operator | general aviation : personal |
| Make Model Name | PA-60 600 Aerostar |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other vortac |
| Flight Phase | descent : approach |
| Route In Use | approach : instrument non precision |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot oversight : pic |
| Qualification | pilot : multi engine pilot : commercial pilot : private pilot : instrument pilot : atp |
| Experience | flight time last 90 days : 40 flight time total : 4400 flight time type : 3800 |
| ASRS Report | 444000 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | other spatial deviation |
| Independent Detector | atc equipment : msaw other controllera other flight crewa |
| Resolutory Action | controller : provided flight assist controller : issued advisory none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Weather Environmental Factor |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Inbound I was above clouds which changed from overcast to broken to scattered. After descending to the MDA I encountered a scattered area with the ground clearly visible and started a descent below the MDA and was then advised by whp tower that socal had declared a low altitude alert (I was 100 ft below the MDA). I climbed back to MDA, reported the field in sight to whp and began my descent again for landing.
Original NASA ASRS Text
Title: AN ATP RATED PLT FLYING A PIPER AEROSTAR INTO WHP RECEIVES LOW ALT ALERT FROM ATC WHILE ON THE FINAL APCH SEGMENT OF A NON PRECISION APCH.
Narrative: INBOUND I WAS ABOVE CLOUDS WHICH CHANGED FROM OVCST TO BROKEN TO SCATTERED. AFTER DSNDING TO THE MDA I ENCOUNTERED A SCATTERED AREA WITH THE GND CLRLY VISIBLE AND STARTED A DSCNT BELOW THE MDA AND WAS THEN ADVISED BY WHP TWR THAT SOCAL HAD DECLARED A LOW ALT ALERT (I WAS 100 FT BELOW THE MDA). I CLBED BACK TO MDA, RPTED THE FIELD IN SIGHT TO WHP AND BEGAN MY DSCNT AGAIN FOR LNDG.
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.