 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
PA42 pilot performs an early descent from his MDA on a non precision approach creating an MSAW alert at lzu, GA.
| Attributes | |
| ACN | 607150 |
| Time | |
| Date | 200402 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lzu.airport |
| State Reference | GA |
| Altitude | agl bound lower : 700 agl bound upper : 800 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : a80.tracon tower : lzu.tower |
| Make Model Name | PA-31T-1 Cheyenne I |
| Flight Phase | descent : approach descent : intermediate altitude |
| Route In Use | approach : instrument non precision |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 17500 flight time type : 30 |
| ASRS Report | 607150 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Events | |
| Anomaly | altitude deviation : overshoot altitude deviation : excursion from assigned altitude inflight encounter : weather non adherence : published procedure other anomaly other |
| Independent Detector | atc equipment : msaw other controllera |
| Resolutory Action | controller : issued alert flight crew : returned to assigned altitude flight crew : became reoriented |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Weather |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I was on an IFR clearance into lzu and the WX was 800 ft overcast, 1 1/2 mi in mist, light rain. I was at the MDA below the ceiling looking for the runway or waiting for the missed approach point. I thought I had the runway in sight and started to descend below MDA. The controller called low altitude. I told him I was below the ceiling and had good visibility VMC. Once I realized I did not have the runway environment in sight, I climbed back to MDA. 10-20 seconds later, I got the runway in sight and landed. The controller thought I was low and still IMC. I was not IMC.
Original NASA ASRS Text
Title: PA42 PLT PERFORMS AN EARLY DSCNT FROM HIS MDA ON A NON PRECISION APCH CREATING AN MSAW ALERT AT LZU, GA.
Narrative: I WAS ON AN IFR CLRNC INTO LZU AND THE WX WAS 800 FT OVCST, 1 1/2 MI IN MIST, LIGHT RAIN. I WAS AT THE MDA BELOW THE CEILING LOOKING FOR THE RWY OR WAITING FOR THE MISSED APCH POINT. I THOUGHT I HAD THE RWY IN SIGHT AND STARTED TO DSND BELOW MDA. THE CTLR CALLED LOW ALT. I TOLD HIM I WAS BELOW THE CEILING AND HAD GOOD VISIBILITY VMC. ONCE I REALIZED I DID NOT HAVE THE RWY ENVIRONMENT IN SIGHT, I CLBED BACK TO MDA. 10-20 SECONDS LATER, I GOT THE RWY IN SIGHT AND LANDED. THE CTLR THOUGHT I WAS LOW AND STILL IMC. I WAS NOT IMC.
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.