ASN Wikibase Occurrence # 133192
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| Date: | Monday 11 April 1994 |
| Time: | 07:03 LT |
| Type: |  Cessna 182P |
| Owner/operator: | Jerseyville Sport Flyers |
| Registration: | N9187M |
| MSN: | 18264732 |
| Year of manufacture: | 1976 |
| Total airframe hrs: | 3246 hours |
| Engine model: | CONTINENTAL O-470-R |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Chesterfield, MO -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Jerseyville, IL (OK5) |
| (KSUS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
BEFORE FLIGHT, THE PILOT WAS TOLD THE ILS GLIDESLOPE FOR RUNWAY 8R AT THE DESTINATION (SUS) WAS OUT OF SERVICE. DURING A NIGHT ARRIVAL, THE APPROACH CONTROLLER (APCH CTLR) ASKED IF HE WANTED AN IFR CLEARANCE; HE SAID HE DID. THE CTLR PROVIDED VECTORS FOR AN ILS 8 RIGHT APCH, BUT CLEARED THE PILOT FOR THE APCH WITHOUT ADVISING THAT THE GLIDESLOPE WAS OUT OF SERVICE. ALSO, THE CTLR DID NOT ASSIGN AN IFR CODE, SO THE LOW ALTITUDE ALERT SYSTEM WAS NOT ACTIVATED. THE PILOT FLEW THRU THE LOCALIZER (LOC) COURSE, THEN SAID HE WAS NOT RECEIVING THE LOC. THE APCH CTLR ASKED THE TOWER IF THE LOC WAS OPERATIONAL & WAS TOLD 'IT WAS IN ALARM BUT THE LOCALIZER IS UP NOW.' THE PILOT WAS REVECTORED FOR THE APCH, THEN SAID HE WAS RECEIVING THE LOC. HE WAS CLEARED AGAIN FOR THE ILS. DURING THE APCH, N9187M DESCENDED BELOW THE LOC-ONLY MINIMUM DESCENT ALTITUDE (1020') & ILS DECISION HEIGHT (662'). SUBSEQUENTLY, THE AIRPLANE HIT TREES ON AN ISLAND IN A RIVER, 2.5 MI WEST OF THE AIRPORT. THE RIVER WAS BELOW THE AIRPORT ELEVATION OF 463'.
Probable Cause: FAILURE OF THE PILOT TO FOLLOW PROPER IFR PROCEDURES AND MAINTAIN PROPER ALTITUDE DURING THE APPROACH. FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS, THE WEATHER CONDITIONS, AND FAILURE OF THE APPROACH CONTROLLER TO ISSUE AN IFR TRANSPONDER CODE TO THE AIRCRAFT WHEN HE PROVIDED THE IFR CLEARANCE, WHICH WOULD HAVE ALLOWED A LOW ALTITUDE ALERT TO BE TRIGGERED.
Accident investigation:
 |
|
Sources:
NTSB CHI94LA130
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 08:08 | ASN Update Bot | Updated [Time, Aircraft type, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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