Crash of a Piper PA-31-310 Navajo in Chimoio: 8 killed

Date & Time: Nov 23, 1977
Type of aircraft:
Operator:
Registration:
C9-ANS
Survivors:
No
MSN:
31-143
YOM:
1968
Location:
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
6
Pax fatalities:
Other fatalities:
Total fatalities:
8
Circumstances:
While approaching Chimoio Airport, the twin engine airplane was shot down by Mozambican Forces and crashed in flames few hundred meters short of runway. The aircraft was destroyed and all eight occupants were killed, five Portugueses and three Swiss citizens.
Probable cause:
Shot down by Mozambican Forces while on final approach to Chimoio Airport. The crew was cleared to perform the flight and a proper flight plan was filed and accepted. Authorities reported the aircraft was inadvertently shot down due to a lack of coordination between military and civil authorities.

Crash of a Piper PA-31-310 Navajo in Manitowoc

Date & Time: Nov 3, 1977 at 2134 LT
Type of aircraft:
Operator:
Registration:
N9273Y
Flight Type:
Survivors:
Yes
Schedule:
Muskegon - Manitowoc
MSN:
31-360
YOM:
1968
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
1749
Captain / Total hours on type:
295.00
Circumstances:
On final approach to Manitowoc Municipal Airport by night and limited visibility (2 miles), the pilot descended too low when the airplane struck the ground and crashed about a mile short of runway. The pilot was seriously injured and the aircraft was destroyed.
Probable cause:
Controlled collision with ground on final approach due to improper IFR operation. The following contributing factors were reported:
- Fog,
- Visibility 2 miles or less.
Final Report:

Crash of a Piper PA-31P Pressurized Navajo in Vancouver: 3 killed

Date & Time: Oct 8, 1977 at 0825 LT
Type of aircraft:
Registration:
N117HC
Flight Phase:
Survivors:
No
Schedule:
Vancouver - Penticton
MSN:
31P-54
YOM:
1971
Crew on board:
1
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
3
Captain / Total flying hours:
7200
Captain / Total hours on type:
700.00
Circumstances:
Shortly after takeoff from Vancouver Airport, south Washington, the airplane encountered difficulties to gain height when it stall and crashed in flames. All three occupants were killed.
Probable cause:
Stall after engine failure during initial climb. The following contributing factors were reported:
- Powerplant - ignition system: spark plug,
- Failed to maintain flying speed,
- Improper maintenance,
- Powerplant - propeller and accessories: other,
- Directional control problem,
- Prop slow to feather,
- No aircharge,
- Pilot unable to maintain directional control.
Final Report:

Crash of a Piper PA-31-310 Navajo off Malmøya Island

Date & Time: Sep 25, 1977
Type of aircraft:
Operator:
Registration:
LN-PAA
Flight Phase:
Survivors:
Yes
MSN:
31-538
YOM:
1969
Country:
Region:
Crew on board:
1
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Shortly after takeoff from Oslo-Fornebu Airport, while climbing, the twin engine airplane lost height and crashed into the sea off Malmøya Island, about 7 km southeast of the airport. Both occupants were rescued while the airplane sank by a depth of six meters.

Crash of a Piper PA-31P Pressurized Navajo in Modesto: 3 killed

Date & Time: Aug 19, 1977 at 1153 LT
Type of aircraft:
Registration:
N7670L
Survivors:
Yes
Schedule:
San Francisco - Modesto
MSN:
31-7300151
YOM:
1973
Crew on board:
1
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
3
Captain / Total flying hours:
6912
Captain / Total hours on type:
31.00
Circumstances:
On approach to Modesto City-County Airport, both engines failed simultaneously. The pilot attempted an emergency landing on a highway when the airplane struck an automobile and crashed. Both occupants on board the aircraft were slightly injured while three people were killed in the car.
Probable cause:
Double engine failure on final approach due to fuel exhaustion. The following contributing factors were reported:
- Inadequate preflight preparation,
- Mismanagement of fuel,
- Miscalculated fuel consumption,
- Fuel exhaustion,
- Forced landing off airport on land.
Final Report:

Crash of a Piper PA-31-310 Navajo in Rochester: 1 killed

Date & Time: Jul 20, 1977 at 2152 LT
Type of aircraft:
Operator:
Registration:
N406CA
Flight Type:
Survivors:
No
Schedule:
Buffalo - Rochester
MSN:
31-637
YOM:
1970
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Captain / Total flying hours:
8300
Captain / Total hours on type:
7735.00
Circumstances:
While on approach to Rochester-Greater Rochester Airport, the pilot lost control of the airplane that entered a dive and crashed in flames in the Cheektowaga County. The aircraft was destroyed and the pilot, sole on board, was killed.
Probable cause:
Uncontrolled descent on final approach due to improper operation of flight controls. The following contributing factors were reported:
- Physical impairment,
- Hypertensive hemorrhage of left basal ganglia.
Final Report:

Crash of a Piper PA-31-310 Navajo in Beira: 4 killed

Date & Time: Jun 29, 1977
Type of aircraft:
Registration:
C9-AKG
Flight Phase:
Survivors:
Yes
MSN:
31-154
YOM:
1968
Location:
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
At liftoff, the twin engine airplane went out of control and crashed near the runway end. Three occupants were seriously injured while four others were killed.

Crash of a Piper PA-31-310 Navajo in Taplin: 3 killed

Date & Time: May 6, 1977 at 0615 LT
Type of aircraft:
Registration:
N7439L
Flight Phase:
Survivors:
No
Schedule:
Taplin - Ambler
MSN:
31-328
YOM:
1968
Crew on board:
1
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
3
Captain / Total flying hours:
18000
Captain / Total hours on type:
1000.00
Circumstances:
The takeoff was initiated in adverse weather conditions with fog. After takeoff, the twin engine airplane descended and crashed half a mile east of the airfield. The aircraft was destroyed and all three occupants were killed.
Probable cause:
Controlled flight into terrain during climb after the pilot initiated flight in adverse weather conditions. The exact cause of the accident could not be determined. The following findings were reported:
- Fog,
- Visibility 1/4 mile or less.
Final Report:

Crash of a Piper PA-31-310 Navajo in Zaria

Date & Time: May 6, 1977
Type of aircraft:
Registration:
5N-AVB
Flight Type:
Survivors:
Yes
Schedule:
Zaria - Zaria
MSN:
31-7300163
YOM:
1973
Location:
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The crew was completing a local training mission at Zaria Airport. On final approach, the twin engine airplane crashed in unknown circumstances. The aircraft was destroyed while both occupants, an instructor and a pilot under supervision were uninjured.