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Crash of a Douglas C-47A-30-DL in Santiago del Estero

Date & Time: Jul 14, 1959
Operator:
Registration:
LV-ACM
Survivors:
Yes
Schedule:
Buenos Aires – Córdoba
MSN:
9490
YOM:
1943
Country:
Crew on board:
3
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Due to weather deterioration at Córdoba and poor visibility due to fog, the crew was diverted to Santiago del Estero. En route, the pilot informed ATC that he was low of fuel and was forced to attempt an emergency landing. The aircraft crash landed in a field and came to rest. All ten occupants escaped uninjured.
Probable cause:
Emergency landing at alternative aerodrome when flying time was exhausted with undercarriage up, in CGO conditions due to unusual fog build-up.

Crash of a Douglas C-47A-80-DL off Mar del Plata: 10 killed

Date & Time: May 15, 1959 at 2042 LT
Operator:
Registration:
LV-AFW
Flight Phase:
Survivors:
No
Schedule:
Buenos Aires – Mar del Plata – Bahía Blanca
MSN:
19790
YOM:
1944
Flight number:
AR672
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
6
Pax fatalities:
Other fatalities:
Total fatalities:
10
Circumstances:
Shortly after a night takeoff from Mar del Plata-Brigadier General Bartolomé de la Colina Airport, while climbing, the pilot-in-command made a turn according to the procedures when control was lost. The airplane stalled and crashed into the sea some three km off shore. All ten occupants were killed.
Probable cause:
The exact cause of the accident could not be determined with certainty. However, spatial disorientation on part of the pilot-in-command is suspected.

Crash of a Short S.25 Sunderland 5 off Montevideo

Date & Time: Feb 11, 1959 at 1710 LT
Type of aircraft:
Operator:
Registration:
LV-AHG
Survivors:
Yes
Schedule:
Buenos Aires – Montevideo
MSN:
SH.70C
YOM:
1946
Country:
Crew on board:
6
Crew fatalities:
Pax on board:
49
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Upon landing on water off Montevideo, the seaplane struck an unknown floating object that caused damages to the structure. The airplane stopped and partially sank rapidly. All 55 occupants were evacuated safely while the aircraft was recovered and later declared as damaged beyond repair.
Probable cause:
Collision with an unknown floating object upon landing.

Crash of a Douglas DC-6 in Ilha Grande

Date & Time: Jun 10, 1958 at 1145 LT
Type of aircraft:
Operator:
Registration:
LV-ADV
Flight Phase:
Survivors:
Yes
Schedule:
Rio de Janeiro – Buenos Aires
MSN:
43034
YOM:
1947
Country:
Crew on board:
6
Crew fatalities:
Pax on board:
16
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
While in cruising altitude, the engine number four oversped. The engine was shut down and the propeller was feathered. A little later, the engine number two suffered severe vibrations and it was also decided to shut it down and to feather its propeller. Due to insufficient power, the aircraft started to descend with a rate of 500 feet per minute. The captain eventually decided to attempt an emergency landing on Ilha Grande. The airplane belly landed on a beach and came to rest. All 22 occupants were uninjured.
Probable cause:
Double engine failure for undetermined reason.

Crash of a Short S.25 Sandringham II off Buenos Aires: 9 killed

Date & Time: Dec 31, 1957 at 1257 LT
Type of aircraft:
Operator:
Registration:
LV-AAR
Survivors:
Yes
Schedule:
Buenos Aires – Rosario – Corrientes – Formosa – Asunción
MSN:
SH.03C
YOM:
1945
Flight number:
AR706
Country:
Crew on board:
6
Crew fatalities:
Pax on board:
44
Pax fatalities:
Other fatalities:
Total fatalities:
9
Captain / Total flying hours:
9240
Captain / Total hours on type:
1019.00
Copilot / Total flying hours:
1297
Copilot / Total hours on type:
122
Aircraft flight hours:
7905
Circumstances:
The seaplane left Buenos Aires harbor at 1152LT bound for Asunción with intermediate stops at Rosario, Corrientes and Formosa. Few minutes after takeoff, the captain encountered oscillations and difficulties to control the airplane so he decided to return to Buenos Aires for a safe landing. Unfortunately, it was not possible to land immediately because of the presence of ship in the channel. Following several circuits, the pilot-in-command attempted to land when the airplane crashed into the sea few hundred yards off shore. A crew member and eight passengers were killed while 41 other occupants were injured. The aircraft was destroyed.
Probable cause:
The accident was probably caused by a premature withdrawal of the flaps, a trend exacerbated by abnormal conditions affecting the airworthiness of the seaplane, particularly evident in the approach procedure, and a concurrent cause of inadequate maintenance of the aircraft, and the failure in the process of clearing the elevator control, established by seaplane maintenance manual.
Final Report:

Crash of a Douglas DC-4 in Bolivar: 61 killed

Date & Time: Dec 8, 1957 at 1645 LT
Type of aircraft:
Operator:
Registration:
LV-AHZ
Flight Phase:
Survivors:
No
Schedule:
Buenos Aires – San Carlos de Bariloche
MSN:
27227
YOM:
1944
Flight number:
AR670
Country:
Crew on board:
6
Crew fatalities:
Pax on board:
55
Pax fatalities:
Other fatalities:
Total fatalities:
61
Captain / Total flying hours:
10527
Captain / Total hours on type:
2196.00
Copilot / Total flying hours:
10088
Copilot / Total hours on type:
1253
Circumstances:
The aircraft took off from Ezeiza Airport at 1554LT on a scheduled flight direct to San Carlos de Bariloche with Comodoro Rivadavia as alternate. Six crew and fifty-five passengers were aboard. Clearance was granted by the Regional Centre Control Area for an IFR flight outside airways, with 1 200 metres as safety height as far as Neuquén and 2 400 metres up to the destination aerodrome. The aircraft carried out routine communications with the airport control tower and with the approach control office until it reached Lobos, where it was authorized to use telegraphy. From that moment there was no further information available concerning the flight. It was later established that at 1645 hours the aircraft had crashed 25 km southeast of Bolivar. All occupants were killed and the aircraft was destroyed by the impact and the fire which broke out subsequently.
Probable cause:
The aircraft disintegrated in flight due to breakage of parts of the left wing followed by the falling off of the tail section when the equipment was subjected to stresses above those envisaged by the manufacturer. This was brought about as a direct result of the pilot's decision to attempt to cross a cold surface front under turbulent conditions of extreme severity. The following were contributing causes:
- The pilot's recklessness in descending on a track well below the minimum safety flight altitude established for this type of operation,
- The absence in the flight plan of a forecast showing the intensity of the meteorological phenomena encountered,
- Inadequate ope rational dispatch of the aircraft.
Final Report:

Crash of a Douglas C-47A-25-DK near Pavín: 18 killed

Date & Time: Jul 16, 1956 at 0717 LT
Operator:
Registration:
LV-ACD
Survivors:
No
Site:
Schedule:
Buenos Aires – Río Cuarto
MSN:
13328
YOM:
1944
Location:
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
14
Pax fatalities:
Other fatalities:
Total fatalities:
18
Circumstances:
The airplane departed Buenos Aires at 0515LT bound for Río Cuarto. Less than two hours into the flight, the crew contacted Río Cuarto and was informed about poor weather at destination. Despite conditions below minima, the pilot decided to start an IFR descent when the airplane struck the slope of a mountain and disintegrated on impact, killing all 18 occupants.
Probable cause:
The decision of the pilot to descend en route, without justifiable reason, below the minimum altitude prescribed for a night flight, and in weather conditions which made it his duty to follow IFR procedure a contributing cause probably being an error between control tower and aircraft in the transmission or interpretation of barometric pressure of QFE and QNH values.

Crash of a Douglas C-47A-20-DK in Río Gallegos

Date & Time: May 20, 1955 at 0820 LT
Operator:
Registration:
LV-ACQ
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Buenos Aires – Bahía Blanca – Trelew – Comodoro Rivadavia – Puerto Deseado – Rio Gallegos
MSN:
13159
YOM:
1944
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The aircraft was attempting a night takeoff on the last leg of a circuit begun two days earlier in Ezeiza, with stops at all aerodromes on the Atlantic seaboard. After a run of about 600 meters, it lifted in a gentle curve to the left but hit the ground again off the runway, skidding to the right. The impact broke the left landing gear strut and the aircraft came to rest after travelling about 96 meters. A fire broke out in the left engine nacelle and could not be put out because of the lack of adequate fire fighting equipment at the aerodrome. No injuries were sustained by the four crew members and one passenger on board at the time of the accident (0820LT).
Probable cause:
The probable cause of this accident was the fall cf the aircraft when the pilot decided to discontinue a take-off which he considered abnormal and which is attributed to the fact that the propeller was probably feathered, for undetermined reasons.
Final Report:

Crash of a Convair CV-240-6 in Capilla del Señor

Date & Time: Oct 16, 1954 at 1520 LT
Type of aircraft:
Operator:
Registration:
LV-ADQ
Flight Phase:
Survivors:
Yes
Schedule:
Buenos Aires – Córdoba
MSN:
77
YOM:
1949
Country:
Crew on board:
5
Crew fatalities:
Pax on board:
27
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The aircraft, engaged on a scheduled flight non-stop from Ezeiza to Córdoba, took off from Ezeiza Airport at 1500LT with 27 passengers and 5 crew. The approved flight plan provided for a VFR flight at a cruising level of 1,200 meters. At 1510LT the aircraft asked Buenos Aires ATC for clearance to change its altitude to 600 meters due to a marked frontal belt having been encountered. Shortly after this, the aircraft entered a storm area with rain, hail and strong electrical discharges of increasing intensity which caused uncontrolled loss of altitude. It continued descending until it struck the ground at approximately 1520LT, injuring the pilot, two crew and four passengers.
Probable cause:
Through causes which could not be fully ascertained and in circumstances arising while the aircraft, in attempting to leave the area of a violent storm, was flying at a low altitude, the aircraft was carried into the ground. The following factors were considered as contributory:
- The persistence of the pilot-in-command in attempting in climb, without making use, at the appropriate time, of the full power available to arrest the descent caused, according to his own statement, by meteorological conditions,
- The decision by the pilot-in-command to enter a local storm the violence of which he did not foresee and which he could have circumnavigated as prescribed by the operational standards of the company,
- The fact that the pilot-in-command had no meteorological information relating to the weather conditions he encountered.
Final Report:

Crash of a Douglas C-47A-5-DK near Amaná: 25 killed

Date & Time: Apr 23, 1954 at 2130 LT
Operator:
Registration:
LV-ACX
Flight Phase:
Survivors:
No
Site:
Schedule:
Mendoza – Córdoba
MSN:
12387
YOM:
1944
Location:
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
21
Pax fatalities:
Other fatalities:
Total fatalities:
25
Circumstances:
The aircraft, engaged on a scheduled flight between Mendoza and Córdoba, left Mendoza-El Plumerillo Airport at 1847LT with a crew of 4 and 21 passengers on board. At 2026LT the crew reported that he was diverting to La Rioja Airport as it was impossible to approach Córdoba due to poor weather conditions with heavy turbulences. At 2125Lt the crew reported to ATC about an ETA at La Rioja at 2140LT. Shortly later, the aircraft hit the slope of a mountain located in the Sierra de Vilgo, near the village of Amaná. The wreckage was found three days later and all 25 occupants have been killed.
Probable cause:
For reasons which could not be determined the aircraft deviated from the prescribed route and followed a course which led it to crash in mountainous terrain. A contributing factor was the pilot-in-command's decision to descend below the minimum altitude specified for weather conditions requiring an instrument approach, contrary to the provisions of the Airline Operations Manual. A probable contributing factor was the probable fatigue of the aircraft crew.
Final Report: