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Crash of a Lockheed L-188C Electra in Taura

Date & Time: Sep 4, 1989 at 1654 LT
Type of aircraft:
Operator:
Registration:
HC-AZJ
Survivors:
Yes
Schedule:
Quito - Tulcán
MSN:
2004
YOM:
1959
Location:
Country:
Crew on board:
7
Crew fatalities:
Pax on board:
92
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After takeoff from Quito-Mariscal Sucre Airport, while climbing, the left main gear warning light remained on. The captain decided to divert to Taura AFB for an emergency landing. The aircraft belly landed and slid for few dozen meters before coming to rest. All 99 occupants escaped uninjured while the aircraft was damaged beyond repair.
Probable cause:
The bolts on the front gear doors were stuck because of a stuck support rod.

Crash of a Lockheed L-188A Electra in Lago Agrio: 7 killed

Date & Time: Sep 12, 1988 at 1429 LT
Type of aircraft:
Operator:
Registration:
HC-AZY
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Lago Agrio - Quito
MSN:
1052
YOM:
1959
Country:
Crew on board:
7
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
7
Circumstances:
The engine n°2 was inoperative due to technical problems and the crew decided to takeoff on a positioning flight to Quito with only three engines. Shortly after takeoff from Lago Agrio Airport, while in initial climb, the engine n°1 caught fire and exploded. The crew lost control of the aircraft that banked left and crashed, bursting into flames. All seven occupants were killed.
Probable cause:
Failure and explosion of the engine n°1 at takeoff for unknown reasons.

Crash of an Avro 748-285-2A in Quito

Date & Time: Jun 23, 1987 at 1227 LT
Type of aircraft:
Operator:
Registration:
HC-BAZ
Survivors:
Yes
MSN:
1738
YOM:
1975
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
34
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After landing at Mariscal Sucre Airport, the crew encountered technical problems and the aircraft was unable to stop within the remaining distance. It overran and came to rest few dozen meters further. All 38 occupants were evacuated safely and the aircraft was damaged beyond repair and later transferred to the Museum of the Ecuadorian Air Force in Quito.
Probable cause:
The accident was the consequence of the failure of the electrical system.

Crash of a De Havilland DHC-6 Twin Otter 300 near Loja: 14 killed

Date & Time: Nov 20, 1984
Operator:
Registration:
FAE446
Flight Phase:
Survivors:
No
Site:
Schedule:
Loja - Zumba
MSN:
446
YOM:
1975
Location:
Country:
Crew on board:
2
Crew fatalities:
Pax on board:
12
Pax fatalities:
Other fatalities:
Total fatalities:
14
Circumstances:
Few minutes after takeoff from Loja Airport, while climbing in poor weather conditions, the twin engine aircraft struck the slope of a mountain and crashed. All 14 occupants were killed. The aircraft had a dual registration: civil HC-BCG and military FAE446.

Crash of a Boeing 737-2V2 in Cuenca: 119 killed

Date & Time: Jul 11, 1983 at 0740 LT
Type of aircraft:
Operator:
Registration:
HC-BIG
Survivors:
No
Schedule:
Quito - Cuenca
MSN:
22607
YOM:
1981
Country:
Crew on board:
8
Crew fatalities:
Pax on board:
111
Pax fatalities:
Other fatalities:
Total fatalities:
119
Circumstances:
On final approach to Cuenca-Mariscal La Mar Airport, the crew encountered limited visibility due to poor weather conditions. On final, he failed to realize his altitude was insufficient when the airplane struck trees and crashed in flames near the district of Gaullum, about 2 km short of runway 05 threshold. The aircraft was totally destroyed and all 119 occupants were killed.
Probable cause:
For unknown reasons, the flying crew continued the approach below the glide without proper visual contact with the ground. A lack of experience was considered as a contributing factor.

Crash of a De Havilland DHC-6 Twin Otter 300 in Macara: 18 killed

Date & Time: May 22, 1981 at 1500 LT
Operator:
Registration:
FAE457
Flight Type:
Survivors:
No
Site:
Schedule:
Quito - Macará
MSN:
457
YOM:
1975
Location:
Country:
Crew on board:
2
Crew fatalities:
Pax on board:
16
Pax fatalities:
Other fatalities:
Total fatalities:
18
Circumstances:
The airplane was completing a flight from Quito to Macará, carrying members of the Ecuadorian government, Army Officers and journalists who were flying to the south of the country, taking part to the next official visit of the President of the Republic of Ecuador Jaime Roldós Aguilera. While descending to Macará, the crew encountered poor weather conditions with low clouds and rain showers. Too low, the airplane struck the slope of a mountain and crashed few km from Macará. The aircraft was destroyed upon impact and all 18 occupants were killed. The airplane had a dual registration FAE457 and HC-BAX.
Probable cause:
Controlled flight into terrain.

Crash of a De Havilland DHC-6 Twin Otter in Iliniza

Date & Time: Sep 2, 1980
Operator:
Registration:
FAE453
Flight Phase:
Flight Type:
Survivors:
Yes
Site:
MSN:
453
YOM:
1975
Country:
Crew on board:
3
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The twin engine airplane crashed in unknown circumstances on Mt Illiniza near the 24 Mayo Airstrip. All seven occupants were rescued while the aircraft was damaged beyond repair. The airplane had a dual registration FAE453 and HC-BAV.

Crash of an Avro 748-246-22A near Loja: 34 killed

Date & Time: Jan 20, 1976 at 0715 LT
Type of aircraft:
Operator:
Registration:
FAE683
Flight Phase:
Survivors:
Yes
Site:
Schedule:
Loja - Guayaquil
MSN:
1683
YOM:
1970
Location:
Country:
Crew on board:
6
Crew fatalities:
Pax on board:
36
Pax fatalities:
Other fatalities:
Total fatalities:
34
Circumstances:
Ten minutes after takeoff from Loja Airport, while cruising over mountains terrain at an altitude of 10,000 feet in good weather conditions, the airplane lost height, struck trees and crashed on the mountain. Eight passengers were seriously injured while 34 other occupants were killed. The airplane had a dual registration FAE683 and HC-AUE.
Probable cause:
It is believed that the loss of altitude and the subsequent collision with ground was the consequence of orographic currents encountered over the mountainous area.

Crash of a Douglas C-47A-90-DL on Mt de Hojas

Date & Time: Sep 12, 1971
Operator:
Registration:
HC-AUX
Flight Phase:
Site:
MSN:
20179
YOM:
1944
Country:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed on Mt de Hojas located southeast of Manta. Occupant's fate remains unknown.