ASN Wikibase Occurrence # 366312
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Friday 24 August 1990 |
| Time: | 18:42 LT |
| Type: |  Cessna 172 |
| Owner/operator: | Private |
| Registration: | N6173E |
| MSN: | 46273 |
| Year of manufacture: | 1958 |
| Total airframe hrs: | 4130 hours |
| Engine model: | CONTINENTAL O-300A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Palmetto, GA -
 United States of America
|
| Phase: | Approach |
| Nature: | Unknown |
| Departure airport: | |
| (8A9) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
SHORTLY AFTER TAKEOFF AND WHILE ESTABLISHED ON DOWNWIND, THE PILOT REPORTED THAT HIS ENGINE BEGAN TO RUN ROUGHLY. UNABLE TO MAINTAIN ALTITUDE, HE LANDED THE AIRPLANE ON THE AIRPORT PROPERTY. AN INSPECTION OF THE ENGINE AFTER THE ACCIDENT REVEALED THAT THE LEFT MAGNETO WAS INCORRECTLY TIMED. ALSO, BOTH MAGNETOS WERE OBSERVED BREAKING DOWN DURING THE TEST RUN. THE PILOT (ALSO THE MECHANIC OF THIS AIRPLANE) REPORTED THAT THE MAG DROP ON THE LEFT MAGNETO WAS 500 RPM PRIOR TO TAKEOFF. HE ELECTED TO FLY THE AIRPLANE AS A 'TEST HOP' TO TROUBLESHOOT THE PROBLEM. WHEN A WITNESS SECURED THE AIRPLANE FOLLOWING THE ACCIDENT, HE NOTED THAT THE MAGNETO SWITCH WAS LOOSE AND FELL OUT OF THE INSTRUMENT PANEL WHEN HE TRIED TO TURN THE KEY. THE PILOT HAD NOT ACCOMPLISHED A BIENNIAL FLIGHT REVIEW IN OVER FIVE YEARS.
Probable Cause: THE PILOT'S OPERATION OF THE AIRPLANE WITH KNOWN MECHANICAL DEFICIENCIES. A FACTOR IN THE ACCIDENT WAS THE IMPROPERLY MAINTAINED CONDITION OF THE MAGNETOS.
Accident investigation:
 |
|
Sources:
NTSB ATL90LA161
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 19:39 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation