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A C172 training flight alerts the MSAW system when pilot descends 2 mi too early during a practice localizer DME runway 28L approach to mry, ca.
| Attributes | |
| ACN | 506732 |
| Time | |
| Date | 200104 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : mry.airport |
| State Reference | CA |
| Altitude | msl single value : 2000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : mry.tower tracon : m98.tracon |
| Operator | general aviation : personal |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | ils localizer only : 28l |
| Flight Phase | descent : approach |
| Route In Use | approach : instrument precision |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| Experience | controller military : 4 controller radar : 4 controller supervisory : 4 flight time last 90 days : 8 flight time total : 7698 flight time type : 318 |
| ASRS Report | 506732 |
| Person 2 | |
| Affiliation | other |
| Function | observation : observer |
| Events | |
| Anomaly | altitude deviation : crossing restriction not met altitude deviation : overshoot non adherence : published procedure non adherence : required legal separation other spatial deviation |
| Independent Detector | atc equipment : msaw other controllera |
| Resolutory Action | controller : issued alert none taken : anomaly accepted other |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Environmental Factor |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On localizer/DME runway 28L approach to mry, tower reported 'low altitude alert' and asked my altitude, which I reported as 2000 ft MSL. Safety pilot had runway in sight. No further action -- normal landing.
Original NASA ASRS Text
Title: A C172 TRAINING FLT ALERTS THE MSAW SYS WHEN PLT DSNDS 2 MI TOO EARLY DURING A PRACTICE LOC DME RWY 28L APCH TO MRY, CA.
Narrative: ON LOC/DME RWY 28L APCH TO MRY, TWR RPTED 'LOW ALT ALERT' AND ASKED MY ALT, WHICH I RPTED AS 2000 FT MSL. SAFETY PLT HAD RWY IN SIGHT. NO FURTHER ACTION -- NORMAL 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.