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A B737-200 descends 200 ft below designated altitude during non precision approach into ind, in. Flight crew flies aircraft back to proper altitude.
| Attributes | |
| ACN | 385150 |
| Time | |
| Date | 199711 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : ind |
| State Reference | IN |
| Altitude | msl bound lower : 2600 msl bound upper : 2800 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : ind |
| Operator | common carrier : air carrier |
| Make Model Name | B737-200 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 210 flight time total : 11000 flight time type : 5200 |
| ASRS Report | 385150 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance non adherence : published procedure |
| Independent Detector | atc equipment other atc equipment : unspecified other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On an approach into ind we were cleared to 2800 ft localizer only approach to runway 23L. We were established on the localizer and got station passage on the ADF and we started a slow descent. Going through about 2600 ft approach control said check altitude, you should be at 2800 ft. We climbed back to 2800 ft and about that time the OM lit up. So we started the aircraft back down. We were VFR at all times. When we landed we told the control we had had trouble with the ADF.
Original NASA ASRS Text
Title: A B737-200 DSNDS 200 FT BELOW DESIGNATED ALT DURING NON PRECISION APCH INTO IND, IN. FLC FLIES ACFT BACK TO PROPER ALT.
Narrative: ON AN APCH INTO IND WE WERE CLRED TO 2800 FT LOC ONLY APCH TO RWY 23L. WE WERE ESTABLISHED ON THE LOC AND GOT STATION PASSAGE ON THE ADF AND WE STARTED A SLOW DSCNT. GOING THROUGH ABOUT 2600 FT APCH CTL SAID CHK ALT, YOU SHOULD BE AT 2800 FT. WE CLBED BACK TO 2800 FT AND ABOUT THAT TIME THE OM LIT UP. SO WE STARTED THE ACFT BACK DOWN. WE WERE VFR AT ALL TIMES. WHEN WE LANDED WE TOLD THE CTL WE HAD HAD TROUBLE WITH THE ADF.
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.