ASN Wikibase Occurrence # 296993
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| Date: | Monday 8 July 2002 |
| Time: | 20:30 LT |
| Type: |  Cessna 175 |
| Owner/operator: | |
| Registration: | N175HL |
| MSN: | 55002 |
| Year of manufacture: | 1957 |
| Total airframe hrs: | 1665 hours |
| Engine model: | Continental GO-300 Series |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Kaiser/Lake Oza, Missouri -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Kaiser/Lake Ozark-Lee C Fine Memorial Airport, MO (AIZ/KAIZ) |
| Peoria-Greater Peoria Airport, IL (PIA/KPIA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a forced landing into a hayfield, the aircraft was substantially damaged when it impacted a perimeter tree line. Shortly after takeoff, the airplane's performance was "somewhat sluggish and was slow to accelerate up to 100 mph", according to the pilot. He reported that approximately five miles from the airport at 400 ft agl, the engine suffered a "catastrophic loss of power." He noted that returning to the airport was not possible due to the developing descent rate and that options for a forced landing site were limited due to the terrain. A small hay field was selected, however, he was unable to stop prior to the tree line at the edge of the field. A post-accident engine examination by the FAA inspector on-scene noted that the left magneto drive gear had malfuntioned, producing an erratic spark distribution and resulting in a significant loss of engine performance. The pilot reported having engine problems the day before the accident flight. He returned to the departure airport and consulted a mechanic. A loose spark plug lead was secured and a non-firing spark plug was replaced. The mechanic's statement noted that the airplane still was not developing rated static RPM's and was not within tolerances on the magneto checks. He determined that the left magneto needed to be replaced or repaired. The pilot's statement reported that the engine performance was within specifications, and that the mechanic indicated replacement of the left magneto was optional. No logbook entry was made for the work done. In addition, the accident flight was conducted with a total of five occupants on-board: two adults and three children. This exceeded the number of approved seats/seat belts installed.
Probable Cause: The pilot's decision to conduct the flight with a known deficiency in the aircraft, a failure by the pilot to execute a precautionary landing due to "sluggish" performance during takeoff, the loss of engine power due to the malfunction of the left magneto, and the lack of suitable terrain for a forced landing. Contributing factors were the low ambient light due to the time of day (night), and the tree line at the edge of the field.
Accident investigation:
 |
|
Sources:
NTSB CHI02LA186
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Oct-2022 13:10 | ASN Update Bot | Added |
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