Accident Nieuport 28 N62610, Friday 30 September 2005
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Date:Friday 30 September 2005
Time:10:18 LT
Type:Silhouette image of generic NI28 model; specific model in this crash may look slightly different    
Nieuport 28
Registration: N62610
MSN: 6261
Total airframe hrs:40 hours
Engine model:Aeromotors S.A. M-14D
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Location:Dayton, Ohio -   United States of America
Phase: Unknown
Departure airport:Dayton-Wright Patterson AFB, OH (FFO/KFFO)
Destination airport:Dayton-Wright Patterson AFB, OH (FFO/KFFO)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
During takeoff, a white "puff" of smoke was observed to exit the exhaust stack, and the engine lost power. The propeller began to "windmill," and the pilot observed the tachometer, which was driven by the right magneto's P-lead, "go to zero." The pilot attempted to restart the engine without result and performed a forced landing. During the landing, the airplane nosed over and was substantially damaged. Examination of the engine's ignition system revealed that the ends of the wire leads that went into the magneto cases were equipped with spring type spark plug terminal contacts, instead of solid phenolic or ceramic insulated eyelets or P-lead fittings. No insulation in the access holes for the contactors was present. No means to keep the spring type terminal contacts from migrating under vibration was installed, and there was no mechanism to prevent contact with the magneto cases. The engine was delivered originally without P-lead fittings. In their place were two brass knurled nuts. After the pilot advised the engine manufacturer's sales distributor of the discrepancy, the sales distributor then mistakenly shipped the spring type spark plug terminal contacts to the pilot.

Probable Cause: A loss of engine power due to the installation of incorrect spring type terminal contacts which were accidentally supplied by the engine distributor.

Accident investigation:
Investigating agency: NTSB
Report number: IAD05LA144
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report



Revision history:

09-Oct-2022 14:46 ASN Update Bot Added

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