ASN Wikibase Occurrence # 41149
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Date: | Sunday 17 March 1991 |
Time: | 20:49 LT |
Type: | Piper PA-30-320 Twin Comanche B |
Owner/operator: | June I. Steiger |
Registration: | N8290Y |
MSN: | 30-1428 |
Engine model: | Lycoming IO-320 |
Fatalities: | Fatalities: 4 / Occupants: 4 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | 3 miles SE of Thief River Falls Regional Airport, Thief River Falls, M -
United States of America
|
Phase: | Approach |
Nature: | Executive |
Departure airport: | Bozeman, MT (KBZN) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:DURING ARRIVAL, THE PLT WAS ADZD THAT THE 1745 CST WX WAS 500' BKN, 1000' OVC, VIS 3-1/2 MI WITH FOG. HE MADE AN ILS RWY 31 APCH, BUT AT 1928 CST, HE RPRTD A MISSED APCH. HE STATED THAT HE HAD SEEN 'THE LIGHTS' & REQUESTED ANOTHER APCH. THE ACFT WAS VECTORED FOR A 2ND ILS. WHEN IT WAS ABOUT 5 MI FROM THE OUTER MARKER (FAF), THE PLT WAS CLRD FOR THE APCH & TO CHANGE TO AN ADZY FREQ. HOWEVER, ABOUT 3 MI SE OF THE FAF, THE ACFT FLEW INTO LEVEL TERRAIN, WHILE STILL ON A WESTERLY HDG. MIN DSCNT ALT (MDA) FOR THIS SEGMENT OF THE APCH WAS 2700' MSL; THE ARPT ELEV WAS 1116'). NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE AIRFRAME OR ENG WAS FOUND. THE 1945 CST WX AT THE ARPT HAD DETERIORATED TO 200' OVC & 1/4 MI VIS WITH FOG.
Probable Cause: IMPROPER IFR PROCEDURE OF THE PILOT, WHILE INTERCEPTING THE ILS LOCALIZER, BY NOT MAINTIANING THE MINIMUM DESCENT ALTITUDE (MDA) FOR THAT SEGMENT OF THE APPROACH.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CHI91FA108 |
Status: | Investigation completed |
Duration: | 1 year and 10 months |
Download report: | Final report |
|
Sources:
NTSB CHI91FA108
FAA register: 2. FAA:
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=8290Y Location
Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
21-Dec-2016 19:23 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
06-Apr-2017 18:22 |
Dr.John Smith |
Updated [Time, Aircraft type, Operator, Location, Departure airport, Destination airport, Source, Narrative] |
06-Apr-2017 18:23 |
Dr.John Smith |
Updated [Narrative] |
21-Apr-2024 07:47 |
ASN Update Bot |
Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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