ASN Wikibase Occurrence # 131602
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| Date: | Thursday 31 October 1991 |
| Time: | 18:55 LT |
| Type: |  Cessna 172P |
| Owner/operator: | Stick & Rudder Club |
| Registration: | N5411K |
| MSN: | 17274100 |
| Engine model: | Lycoming O-320-D2J |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Zion, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Waukegan, IL (KUGN) |
| Rockford, IL (KRFD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE SINGLE ENGINED AIRPLANE WAS OPERATING ON AN IFR FLIGHT PLAN AND CLIMBING THROUGH CLOUDS SHORTLY AFTER TAKEOFF. A WITNESS HEARD AN AIRPLANE'S ENGINE POWER SURGING AND OBSERVED A BRIGHT FLASH AT GROUND LEVEL SHORTLY AFTERWARDS. ANOTHER WITNESS OBSERVED THE AIRPLANE DESCENDING AND FLY PAST HIM JUST BEFORE SEEING A BRIGHT FLASH AND HEARING THE CRASH. THE AIRPLANE STRUCK AN ELECTRICAL POWERLINE AND TREE BEFORE COLLIDING WITH THE GROUND AND SLIDING TO A STOP. AN ON-SCENE INVESTIGATION REVEALED WATER IN THE CARBURETOR FLOAT AND ACCELERATOR PUMP CHAMBERS. THE COMMUTATOR OF THE TURN AND SLIP INDICATOR'S ELECTRIC MOTOR WAS FOUND WITH A GROOVE WORN AROUND IT AND A BLACK POWDERY SUBSTANCE PERMEATING THE INTERNAL MECHANISM OF THE INSTRUMENT. DURING AN INTERVIEW WITH THE PILOT, HE STATED THAT HE HAD TAKEN A FUEL SAMPLE FROM EACH FUEL SUMP ON THE AIRPLANE DURING HIS PRE-FLIGHT WALK AROUND INSPECTION. THE PILOT WAS UNABLE TO RECALL THE EVENTS WHICH TOOK PLACE AFTER ENTERING THE CLOUDS.
Probable Cause: WATER CONTAMINATION OF THE FUEL, AND THE PILOT'S INADEQUATE PREFLIGHT OF THE AIRCRAFT. FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS AND OBSTRUCTIONS (TREES & TRANSMISSION LINES) IN THE EMERGENCY LANDING AREA.
Accident investigation:
 |
|
Sources:
NTSB CHI92FA020
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Apr-2024 11:27 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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