N59486

Substantial
Minor

Roger A Dalke E.B. JennyS/N: 486

Accident Details

Date
Saturday, August 11, 2007
NTSB Number
MIA07LA132
Location
Wakefield, VA
Event ID
20070824X01236
Coordinates
37.250000, -76.500000
Aircraft Damage
Substantial
Highest Injury
Minor
Fatalities
0
Serious Injuries
0
Minor Injuries
1
Uninjured
0
Total Aboard
1

Probable Cause and Findings

The pilot/owner's inadequate maintenance which resulted in a radiator leak, a loss of engine coolant, the engine overheating, and partial loss of engine power.

Aircraft Information

Registration
N59486
Make
ROGER A DALKE
Serial Number
486
Engine Type
Reciprocating
Year Built
1999
Model / ICAO
E.B. JennyBPAT
Aircraft Type
Fixed Wing Single Engine
No. of Engines
1

Registered Owner (Historical)

Name
HERSHEY LESTER E
Address
7641 MERLIN WAY
Status
Deregistered
City
AMELIA COURT HOUSE
State / Zip Code
VA 23002
Country
United States

Analysis

On August 11, 2007, about 1005 eastern daylight time, a Roger A. Dalke, model E.B. Jenny experimental amateur built airplane, N59486, registered to, and operated by a private individual, as a Title 14 CFR Part 91 personal flight, crashed shortly after takeoff in Wakefield, Virginia. Visual meteorological conditions prevailed, and no flight plan was filed for the local flight. The airline transport-rated pilot received minor injuries, and the airplane incurred substantial damage. The flight originated in Wakefield, Virginia, the same day, about 1000.

The pilot stated that after takeoff, he climbed to an altitude of 1,000 feet, and as he scanned the airplane's gauges, he noticed that the engine outlet coolant temperature had climbed to the red line (220 degrees F). He said he then checked the engine inlet coolant temperature and he noticed that it was still in the green (180 degrees F), and then checked the oil temperature and noticed that it was normal. As he continued the flight he said watched the gauges more closely and a few minutes later the inlet coolant temperature began to climb to red line, while the coolant outlet temperature dropped to zero. He said that at that point he knew he was in trouble, and began to look for a location to land. He throttled back to half power, hoping to avoid a total engine power stoppage, and chose a cotton field to make an emergency landing. The cotton was tall in the field and as he was affecting the precautionary landing the airplane flipped over on its back, and stopped in a distance of less than 200 feet from its first contact with the cotton. The pilot said that at no time did the engine cease operating.

An FAA inspector conducted a postcrash examination of the airframe, the engine and accessories, and the examination revealed that the radiator had incurred no accident related damage, however there was a leak at the soldered radiator drain fitting.

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# MIA07LA132