Crash of a Piper PA-31-310 Navajo in Iowa City

Date & Time: Feb 18, 1971 at 1915 LT
Type of aircraft:
Operator:
Registration:
N8000Y
Survivors:
Yes
Schedule:
Detroit – Iowa City
Location:
Crew on board:
1
Crew fatalities:
Pax on board:
3
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
10025
Captain / Total hours on type:
620.00
Circumstances:
The pilot started the approach to Iowa City Airport by night and marginal weather conditions. Due to poor visibility, he made a go-around and followed a circuit for few minutes before starting a second approach. In half mile visibility with ceiling at 300 feet, he continued the approach and passed below the MDA when the airplane struck the ground and crashed. All four occupants were injured and the aircraft was destroyed.
Probable cause:
Improper IFR operation on part of the pilot, The following factors were reported:
- Electrical failure,
- Low ceiling (300 feet), 0.5 mile visibility, rain,
- The pilot stated that VOR DME fluctuated,
- Right alternator inoperative,
- The pilot descended below the published MDA on second VOR approach.
Final Report:

Crash of a Cessna 421A Golden Eagle I in Cadillac

Date & Time: Jan 29, 1971 at 1905 LT
Type of aircraft:
Operator:
Registration:
N4555L
Survivors:
Yes
Schedule:
Carroll - Cadillac
MSN:
421A-0155
YOM:
1968
Crew on board:
1
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
8606
Captain / Total hours on type:
1100.00
Circumstances:
While descending to Cadillac Airport, Michigan, the pilot encountered poor visibility due to night and snow showers and failed to realized his altitude was too low. The twin engine airplane struck trees and crashed in a wooded area located in Reed City, some 28 miles south of Cadillac-Wexford County Airport. All three occupants were seriously injured and the aircraft was destroyed.
Probable cause:
The pilot failed to follow the approved procedures. The following factors were reported:
- Improper altimeter setting,
- Snow showers,
- Struck trees at an altitude of 1,050 feet, altitude reading 1,700 feet.
Final Report:

Crash of a Rockwell 1121A Jet Commander in New York: 5 killed

Date & Time: Jan 27, 1971 at 1955 LT
Operator:
Registration:
N400CP
Flight Phase:
Survivors:
No
Schedule:
Burlington - Providence
MSN:
1121-30
YOM:
1965
Crew on board:
2
Crew fatalities:
Pax on board:
3
Pax fatalities:
Other fatalities:
Total fatalities:
5
Captain / Total flying hours:
9908
Captain / Total hours on type:
692.00
Circumstances:
While cruising by night over the State of New York on a flight from Burlington, Vermont, and Providence, Rhode Island, the twin engine airplane disappeared from radar screens without the pilots having been able to transmit all or part of an emergency message. SAR operations were conducted but eventually suspended few days later as no trace of the aircraft nor the crew was ever found. It is believed that the aircraft may crash into Lake Champlain but again, no trace was ever found.
Probable cause:
Due to lack of evidences, the exact cause of the accident could not be determined.
Final Report:

Crash of a Beechcraft 65 King Air B90 near Königstein im Taunus: 6 killed

Date & Time: Jan 22, 1971 at 1522 LT
Type of aircraft:
Operator:
Registration:
D-ILTU
Flight Phase:
Survivors:
No
Site:
Schedule:
Frankfurt - Fritzlar
MSN:
LJ-359
YOM:
1968
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
6
Circumstances:
The twin engine aircraft departed Frankfurt-Main Airport at 1512LT on a flight to Fritzlar Airport, carrying four passengers and a crew of two. During initial climb, bound to the north, the crew encountered poor visibility due to fog. While climbing to an altitude of 2,000 feet, the twin engine airplane struck trees and crashed onto the slope of Mt Altkönig (798 meters high) located about 3,5 km north of Königstein im Taunus, some 20 km north of Frankfurt Airport. The aircraft was destroyed and all six occupants were killed, among them two pilots, one employee of the German construction company Heitkamp and three representatives of the city of Wattenscheid.
Crew:
Alfred Krummlauf, pilot,
Rolf Brennholt, pilot.
Passengers:
Erwin Topp, Mayor of the city of Wattenscheid,
Georg Schmitz, Director of the city of Wattenscheid,
Kurt Wille, Head of construction of the city of Wattenscheid,
Josef Peckelsen, authorized representative of the Heitkamp Company.
Probable cause:
Controlled flight into terrain.

Crash of a Rockwell Aero Commander 500B in Jackson: 2 killed

Date & Time: Jan 12, 1971 at 1810 LT
Registration:
N6254X
Survivors:
No
Schedule:
Jackson - Jackson
MSN:
500-1123-70
YOM:
1961
Crew on board:
1
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
4162
Captain / Total hours on type:
1510.00
Circumstances:
On approach to Jackson-McKellar Sipes Airport, the pilot encountered foggy conditions. The pilot decided to reduce his altitude and passed below the minimum descent altitude when the airplane struck trees and crashed three miles short of runway. The aircraft was destroyed and both occupants were killed.
Probable cause:
The pilot failed to follow the approved procedures. The following factors were reported:
- Improper IFR operation,
- Overcast at 400 feet and fog,
- Descended below MDA of 760 feet approximately 3 miles before runway threshold.
Final Report:

Crash of a Scottish Twin Pioneer 3 in Basra

Date & Time: Jan 10, 1971
Operator:
Registration:
G-ARBA
Survivors:
Yes
MSN:
548
YOM:
1960
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed in unknown circumstances in Basra, Iraq. There were no casualties.

Crash of a Hawker-Siddeley HS.125-1A in Boise: 2 killed

Date & Time: Dec 28, 1970 at 1837 LT
Type of aircraft:
Operator:
Registration:
N36MK
Survivors:
No
Site:
Schedule:
Billings - Boise
MSN:
25073
YOM:
1966
Location:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
16871
Captain / Total hours on type:
2183.00
Circumstances:
While descending to Boise International Airport by night and marginal weather conditions, the crew failed to realize his altitude was too low when the airplane struck a mountain located 10 miles northeast of the airfield. The aircraft was totally destroyed and both pilots were killed.
Probable cause:
Improper IFR operation on part of the crew who failed to follow the approved procedures. The following factors were reported:
- Instruments misread or failed to read,
- Aircraft northeast circling, ILS approach to runway 10L,
- Leveling at 10,000 feet then descended below the minimum safe altitude of 8,600 feet until striking the ground at an altitude of 5'690 feet MSL.
Final Report:

Crash of a Cessna 402 in Waukesha: 1 killed

Date & Time: Dec 19, 1970 at 1420 LT
Type of aircraft:
Operator:
Registration:
N4045Q
Survivors:
No
Schedule:
Milwaukee – Waukesha
MSN:
402-0145
YOM:
1967
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Captain / Total flying hours:
2647
Captain / Total hours on type:
89.00
Circumstances:
While descending into the traffic pattern to Waukesha Airport, at an altitude of 800 feet, the Cessna 402 collided with a Cessna 150 registered N6175G with two people on board. Following the collision, both aircraft dove into the ground and crashed in flames in a field. All three occupants were killed.
Probable cause:
Both pilot failed to see and avoid each other while descending to Waukesha, an uncontrolled airport. Both aircraft were not under radar contact at the time of the collision that occurred in a 45° horizontal angle.
Final Report:

Crash of a Rockwell Grand Commander 680FP near Henryville: 1 killed

Date & Time: Dec 17, 1970 at 1930 LT
Operator:
Registration:
N188HC
Flight Phase:
Survivors:
No
Schedule:
Cincinnati – Liberal
MSN:
680-1220-115
YOM:
1963
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Captain / Total flying hours:
2400
Circumstances:
En route from Cincinnati to Liberal, the twin engine airplane went out of control, entered a dive and crashed in an open field located in the region of Henryville. The pilot, sole on board, was killed.
Probable cause:
Loss of control in flight for undetermined reason. Investigations reported an overload failure and a separation in flight of the elevator assembly (attachments) for unknown reason. The flight phase when the airframe failure occurred remains unknown.
Final Report:

Crash of a Rockwell Aero Commander 500A in McAlpin: 1 killed

Date & Time: Dec 16, 1970 at 1500 LT
Registration:
N6170X
Flight Phase:
Survivors:
No
Schedule:
Gainesville – Tallahassee
MSN:
500-1032-42
YOM:
1961
Location:
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Captain / Total flying hours:
1235
Captain / Total hours on type:
1023.00
Circumstances:
While in cruising altitude over North Florida, the pilot encountered poor weather conditions. The airplane went through a large area of adverse weather with thunderstorm activity when control was lost. The aircraft dove into the ground and crashed in a field. The pilot, sole on board, was killed.
Probable cause:
The pilot continued under VFR mode in adverse weather conditions consisting of turbulences associated with clouds and thunderstorm activity. Due to turbulences and severe weather, both wings and tail separated in flight, causing the aircraft to be uncontrollable. The pilot flew into an area of known thunderstorms.
Final Report: