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Crash of a Learjet 25B in Sheboygan: 2 killed

Date & Time: Jun 12, 1992 at 1210 LT
Type of aircraft:
Registration:
N38DJ
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Sheboygan - Manitowoc
MSN:
25-191
YOM:
1975
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
17012
Captain / Total hours on type:
5738.00
Aircraft flight hours:
9798
Circumstances:
The crew discussed touch-and-go landings as they walked out to board. The captain occupied the right seat to allow the copilot to fly the short repositioning flight from the left. The airplane lifted off prematurely and remained in ground effect. Roll attitude vacillated slightly before onset of a rapid right roll to inverted at ground impact. The engines continued to run after impact; both were selected to high power. No material or mechanical discrepancy was found which diminished power or aircraft control. Both occupants were killed.
Probable cause:
The copilot's premature liftoff and the captain's inadequate remedial action resulting in loss of aircraft control at low altitude.
Final Report:

Crash of a Piper PA-61 Aerostar (Ted Smith 601P) in Sheboygan

Date & Time: Nov 18, 1982 at 0015 LT
Operator:
Registration:
N6078U
Survivors:
Yes
Schedule:
Garden City – Sheboygan
MSN:
61P-0731-8063356
YOM:
1980
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
3203
Captain / Total hours on type:
2240.00
Aircraft flight hours:
543
Circumstances:
The pilot noticed haze in lights at destination but had excellent ground contact throughout the approach. At threshold he entered dense ground fog and lost all visual contact. The aircraft crashed during the go-around. The pilot was seriously injured.
Probable cause:
Occurrence #1: in flight encounter with weather
Phase of operation: approach - VFR pattern - final approach
Findings
1. (f) weather condition - fog
2. (f) weather evaluation - inadequate - pilot in command
----------
Occurrence #2: in flight collision with terrain/water
Phase of operation: approach
Findings
3. (f) aborted landing - performed - pilot in command
4. (f) go-around - initiated - pilot in command
5. (c) aircraft handling - improper - pilot in command
6. (f) light condition - dark night
Final Report:

Crash of a De Havilland DHC-6 Twin Otter 200 near Appleton: 8 killed

Date & Time: Jun 29, 1972 at 1037 LT
Operator:
Registration:
N4043B
Survivors:
No
Schedule:
Chicago - Sheboygan - Appleton
MSN:
13
YOM:
1966
Flight number:
ZW671
Crew on board:
2
Crew fatalities:
Pax on board:
6
Pax fatalities:
Other fatalities:
Total fatalities:
8
Captain / Total flying hours:
6556
Captain / Total hours on type:
3412.00
Copilot / Total flying hours:
4309
Copilot / Total hours on type:
1685
Aircraft flight hours:
15664
Circumstances:
Following a uneventful flight from Sheboygan, the crew started the descent to Appleton Airport in relative good weather conditions when, at an altitude of 2,500 feet, the Twin Otter collided with a North Central Airlines Convair CV-580 registered N90858. En route from Green Bay to Oshkosh, the Convair was carrying two passengers and three crew members. At the time of the accident, both airplanes were flying under VFR in an uncontrolled airspace. Following the collision, both aircraft crashed into Lake Winnebago, some five miles southeast of Appleton Airport. Debris were found floating on water, both airplanes were totally destroyed and all 13 occupants were killed.
Probable cause:
The failure of both flight crews to detect visually the other aircraft in sufficient time to initiate evasive action. the Board is unable to determine why each crew failed to see and avoid the other aircraft; however, the Board believes that the ability of both crews to detect the other aircraft in time to avoid a collision was reduced because of the atmospheric conditions and human visual limitations.
Final Report:

Crash of a Curtiss Robin B in Sheboygan: 3 killed

Date & Time: Aug 23, 1930 at 1225 LT
Type of aircraft:
Registration:
NC360E
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Sheboygan - Sheboygan
MSN:
151
YOM:
1929
Crew on board:
1
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
3
Captain / Total flying hours:
2000
Circumstances:
The aircraft departed Sheboygan for a local tour, carrying two passengers and one pilot, Marshall Field. While completing aerobatics, the pilot lost control of the airplane that crashed in an open field, bursting into flames. The aircraft was destroyed and all three occupants were killed.