ASN Wikibase Occurrence # 354026
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Date: | Wednesday 29 July 1998 |
Time: | 18:30 LT |
Type: | Aero Commander 685 |
Owner/operator: | Private |
Registration: | N414C |
MSN: | 12021 |
Total airframe hrs: | 2559 hours |
Engine model: | Continental GTSIO-520K |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Middleton, WI -
United States of America
|
Phase: | En route |
Nature: | Private |
Departure airport: | Tuscon, AZ (KRYN) |
Destination airport: | Oshkosh, WI (KOSH) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The pilot stated that the gear deployed sooner than expected and he realized that he was not going to make the runway and subsequently landed approximately 1000 ft short of runway 30. The piloted stated that there should have been 80 gallons of fuel remaining; the gauge indicated 80-85 gallons of fuel. A total of a 1/2 gallon of fuel from the fuel tanks. The fuel gauge indicated 55 gallons of fuel when the electrical master switch was turned 'ON'. There were fuel stains present on top of the wings. The Aero Commander 685 Flight Manual lists the usable fuel capacity with optional fuel tanks to be 322 gallons. A review of fuel records indicate that the airplane was fueled twice prior to departure. Fuelling records provided by the fixed base operator who had fuelled the aircraft show that the aircraft was refueled twice on July 15, 1998 to obtain 278.0 gallons and 13.5 gallons of fuel. The Aero Commander 685 Maintenance Manual provides a 'Indicator Error Envelope' for the fuel system which depicts the maximum allowable tolerance between the weight of fuel in the tanks and the fuel quantity gauge indication. The manual also states, 'The fuel vent outlet tube on the lower wing surface should be checked daily for evidence of foreign material'. The Aero Commander 685 Flight Manual also states that the left and right fuel vent should be checked during the preflight inspection.
Probable Cause: The fuel starvation of the aircraft in addition to the improper aircraft preflight and premature gear extension by the pilot-in-command. The blocked fuel vent system is a contributing factor.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CHI98LA283 |
Status: | Investigation completed |
Duration: | 2 years and 6 months |
Download report: | Final report |
|
Sources:
NTSB CHI98LA283
Location
Revision history:
Date/time | Contributor | Updates |
10-Mar-2024 18:03 |
ASN Update Bot |
Added |
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