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Crash of an Avro 748-1-105 in Loma Alta: 37 killed

Date & Time: Feb 4, 1970 at 2055 LT
Type of aircraft:
Operator:
Registration:
LV-HGW
Flight Phase:
Survivors:
No
Schedule:
Asunción – Formosa – Corrientes – Rosario – Buenos Aires
MSN:
1539
YOM:
1961
Flight number:
AR707
Location:
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
33
Pax fatalities:
Other fatalities:
Total fatalities:
37
Aircraft flight hours:
19049
Aircraft flight cycles:
15739
Circumstances:
The departure from Corrientes was delayed due to poor weather conditions. Shortly after takeoff from Corrientes-Camba Punta in the evening, while climbing, the crew encountered very bad weather conditions with CB's and turbulences. The aircraft bank left to 90° then nosed down to 45° and plunged before crashing at a speed of 400 km/h into a palms area located near Loma Alta, some 35 km southwest of Corrientes. The wreckage was found the next morning. The aircraft disintegrated on impact and all 37 occupants have been killed.
Probable cause:
Loss of control of the airplane and collision with terrain when encountering a zone with adverse meteorological conditions and severe turbulence.

Crash of an Avro 748 in Santa Rosa

Date & Time: Nov 27, 1969 at 1200 LT
Type of aircraft:
Operator:
Registration:
LV-HHI
Survivors:
Yes
MSN:
1547
YOM:
1962
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
24
Pax fatalities:
Other fatalities:
Total fatalities:
0
Aircraft flight hours:
20149
Aircraft flight cycles:
16099
Circumstances:
The crew was completing an approach under VFR mode by night when the airplane struck the ground 3 km short of runway 19 threshold. On impact, it lost its undercarriage and slid for 200 meters before coming to rest. All 28 occupants were evacuated safely while the aircraft was damaged beyond repair.

Crash of an Avro 748-1-105 in Bahía Blanca

Date & Time: Jul 15, 1969
Type of aircraft:
Operator:
Registration:
LV-IEV
Survivors:
Yes
Schedule:
Buenos Aires - Bahía Blanca
MSN:
1558
YOM:
1963
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
35
Pax fatalities:
Other fatalities:
Total fatalities:
0
Aircraft flight hours:
16137
Aircraft flight cycles:
12930
Circumstances:
The descent to Bahía Blanca-Comandante Espora Airport was started by night. The crew was informed by ATC that the visibility was reduced to 200 meters due to fog which means below minima. The captain decided to attempt an approach to runway 34. After passing the middle marker, he was able to see the runway lights so he decided to continue the approach under visual mode. Shortly later, he lost visual contact when the airplane struck the ground about 25 meters short of runway threshold and 200 meters to the left of the extended centerline. On impact, the right wing was torn off and the airplane lost its undercarriage before coming to rest. All 39 occupants were evacuated safely.
Probable cause:
Wrong approach configuration on part of the captain who decided to land in below-minima weather conditions.

Crash of a Sud-Aviation SE-210 Caravelle VI-N in Córdoba

Date & Time: Jul 3, 1963 at 1906 LT
Operator:
Registration:
LV-HGY
Survivors:
Yes
Schedule:
Mendoza – Córdoba – Buenos Aires
MSN:
127
YOM:
1962
Flight number:
AR527
Country:
Crew on board:
7
Crew fatalities:
Pax on board:
63
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
16835
Captain / Total hours on type:
513.00
Circumstances:
Flight AR-527/03 was a scheduled domestic flight from Mendoza to Buenos Aires Aeroparque, Argentina, via Pajas Blancas Airport. The flight plan for the trip was prepared in Mendoza by the airline's dispatcher and was approved by the chief of the Operations Office as well as by the Northwest Regional Control Area. The aircraft was cleared to fly at 8700 m with reporting points along the airway at Chanar-Pampa Salinas and at the entrance to the Terminal Area. The aircraft took off from Mendoza at 1750 hours and made its first contact by radio with Pajas Blancas Airport control tower at 1840 hours. Six minutes later it was cleared for an instrument approach to runway 17. The approach was initiated at a height of 1500 m which was contrary to the regulation height of 3300 m prescribed for jet aircraft. A magnetic heading of 400 was flown on the outbound track and the aircraft was above the cloud layer at a height of 1054 m above the ground. After the time prescribed in the airline's approach chart had elapsed, a left hand turn was initiated, to intercept QDM 200 degrees. During the turn the height was maintained with landing gear extended, flaps at 20° and an indicated airspeed of 140 kt. On completion of the turn a magnetic heading of 200° was flown towards the beacon, and the aircraft resumed its descent until intercepting VOR radial 168. At this point the pilot thought he was 250 m above the ground and, still flying on instruments, he intercepted the VOR and changed course to 170 degrees. When he did not make visual contact with the runway at a height of 150 m he started a go-around, climbing on a magnetic heading of 105 degrees. He then initiated a right-hand turn to intercept the radio beacon again and asked for another clearance from the tower to come in again. He flew over the beacon at a height of 1050 m, then followed a magnetic heading of 40° during about 2 min 30 sec and, while still descending, initiated a left-hand turn until he obtained QDM 200. The landing gear was extended and locked, flap setting 20°, and a normal descent at 500 ft/min. was maintained. He intercepted VOR radial 168, announced that he was at 160 m and then initiated a turn to align himself with runway 17. Shortly thereafter the aircraft's port wing struck some trees five meters high and the port landing gear came into contact with the ground. The pilot-in-command reduced power and pushed the control column forward. After having traveled during approximately 60 m on its port landing gear, the aircraft rolled on its whole undercarriage another 700 m. At 390 m from initial impact the port wing struck some other trees, the fuel tanks burst out and fire broke out. The aircraft then came into contact with the General Belgrano Railway tracks, broke its undercarriage, tearing away 25 m of railway rails and finally came to rest 280 m before the threshold of runway 17.
Probable cause:
Striking the ground during final approach, when the pilot failed to execute the approved instrument entry procedure.
Final Report:

Crash of a De Havilland DH.106 Comet 4C in Campinas: 52 killed

Date & Time: Nov 23, 1961 at 0540 LT
Type of aircraft:
Operator:
Registration:
LV-AHR
Flight Phase:
Survivors:
No
Schedule:
Buenos Aires – Campinas – Port of Spain – New York
MSN:
6430
YOM:
1960
Flight number:
AR322
Country:
Crew on board:
12
Crew fatalities:
Pax on board:
40
Pax fatalities:
Other fatalities:
Total fatalities:
52
Captain / Total flying hours:
12550
Captain / Total hours on type:
1612.00
Copilot / Total flying hours:
13427
Copilot / Total hours on type:
1074
Aircraft flight hours:
5242
Circumstances:
Less than two minutes after takeoff from Campinas-Viracopos Airport, at an altitude of 100 meters, the airplane struck trees, stalled and crashed in eucalyptus forest. The airplane was totally destroyed by impact forces and a post crash fire and all 52 occupants were killed.
Probable cause:
It was presumed that the co-pilot was under flight instruction. If such was the case, the instructor, who was pilot-in-command, may have failed to brief or supervise the co-pilot properly. Observations of the Government of Argentina as State of Registry: "Argentina has determined, in the light of information it has gathered, that the cause of the accident was: "Failure to operate under IFR during a takeoff by night in weather conditions requiring IFR operation and failure to follow the climb procedure for this type of aircraft; a contributory cause was the lack of vigilance by the pilot-in-command during the operations."
Final Report:

Crash of a Douglas DC-6 near Pardo: 67 killed

Date & Time: Jul 19, 1961 at 0800 LT
Type of aircraft:
Operator:
Registration:
LV-ADW
Flight Phase:
Survivors:
No
Schedule:
Buenos Aires – Comodoro Rivadavia
MSN:
43136
YOM:
1948
Flight number:
AR644
Country:
Crew on board:
7
Crew fatalities:
Pax on board:
60
Pax fatalities:
Other fatalities:
Total fatalities:
67
Captain / Total flying hours:
17705
Captain / Total hours on type:
3320.00
Copilot / Total flying hours:
9724
Copilot / Total hours on type:
2113
Aircraft flight hours:
20211
Circumstances:
The four engine aircraft left Buenos Aires-Ezeiza-Ministro Pistarini Airport at 0731LT bound for Comodoro Rivadavia. While cruising at an altitude of 4,800 meters, the crew encountered poor weather conditions with a low pressure area and severe turbulences. The airplane went out of control, entered a dive, partially disintegrated and eventually crashed in a field located 12 km west of Pardo. All 67 occupants were killed.
Probable cause:
The aircraft disintegrated in flight due to rupture of the right wing following the application of loads in excess of the design loads, in a zone of extremely violent turbulence. A contributing factor was insufficient evaluation of the forecast, by both the aircraft captain and by the airline dispatcher, which resulted in the choice of an inappropriate flight altitude.
Final Report:

Crash of a Douglas DC-6 near Salto: 31 killed

Date & Time: Sep 7, 1960 at 0940 LT
Type of aircraft:
Operator:
Registration:
LV-ADS
Flight Phase:
Survivors:
No
Schedule:
Asunción – Buenos Aires
MSN:
43031
YOM:
1947
Flight number:
AR205
Location:
Country:
Crew on board:
6
Crew fatalities:
Pax on board:
25
Pax fatalities:
Other fatalities:
Total fatalities:
31
Aircraft flight hours:
19229
Aircraft flight cycles:
5314
Circumstances:
While in cruising altitude on a flight from Asunción to Buenos Aires, the airplane christened 'Mariano Moreno' suffered a major issue on engine number three. Shortly later, the airplane disintegrated in the air, dove into the ground and crashed in an open field located 12 km northeast of Salto. The aircraft was totally destroyed and all 31 occupants were killed. Debris were scattered on more than five km.
Probable cause:
The immediate cause of the accident was overspeeding of No.3 propeller caused by irregular operation of the propeller governor, detachment of that propeller and impact with that of No.4 engine, followed by disintegration of the aircraft. The remote cause of the accident was insufficiently strict observance of engine maintenance conditions, because, while Pratt and Whitney Service Bulletins Nos. 1666 and 1680, dated 5 November 1957 and 15 May 1958 respectively, are not mandatory, the company should have taken account of the special circumstances in the history of No.3 engine, which resulted in the destruction of LV-ADS.

Crash of a De Havilland DH.106 Comet 4 in Buenos Aires

Date & Time: Feb 20, 1960 at 1145 LT
Type of aircraft:
Operator:
Registration:
LV-AHO
Flight Type:
Survivors:
Yes
Schedule:
Buenos Aires - Buenos Aires
MSN:
6410
YOM:
1959
Country:
Crew on board:
6
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The crew was completing a local training flight at Buenos Aires-Ezeiza-Ministro Pistarini. Following several maneuvers in the area, the crew started a new approach. The aircraft landed hard, causing the undercarriage to puncture the wings and the fuel tanks. The aircraft bounced then swung on runway before coming to rest in flames. While all six crew members were slightly injured, the aircraft was destroyed.
Probable cause:
Wrong approach configuration on part of the instructor who adopted a too high descent angle and failed to flare according to the published procedures.

Crash of a Convair CV-240-6 in Mendoza

Date & Time: Dec 12, 1959
Type of aircraft:
Operator:
Registration:
LV-ADM
Survivors:
Yes
MSN:
35
YOM:
1948
Location:
Country:
Crew on board:
6
Crew fatalities:
Pax on board:
26
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After takeoff from runway 18 at Mendoza-El Plumerillo, the crew climbed to the altitude of 6,000 feet when the hydraulic pressure on the right engine failed. The crew decided to return to Mendoza for a safe landing but was unable to lower the gear. Shortly later, as a propeller was windmilling, causing drag, the captain decided to attempt an emergency landing in a field. The airplane crash landed in a vineyard located few km from the airfield and came to rest. There were no casualties but the airplane was written off.
Probable cause:
The pilot's non-compliance with instructions in the Linea Argentina manual for effecting an emergency landing on account of loss of hydraulic fluid, and error of judgement in deciding on operation with one motor stopped and the hydraulic system out of action, when he had both the height and the time to manoeuvre.

Crash of a De Havilland DH.106 Comet 4 in Asunción: 2 killed

Date & Time: Aug 27, 1959
Type of aircraft:
Operator:
Registration:
LV-AHP
Survivors:
Yes
Schedule:
Buenos Aires – Asunción
MSN:
6411
YOM:
1959
Country:
Crew on board:
6
Crew fatalities:
Pax on board:
44
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
On final approach to Asunción-Silvio Pettirossi Airport, the crew encountered marginal weather conditions with limited visibility. The four engine aircraft was too low, hit trees and struck the ground. On impact, the undercarriage were sheared off and the airplane slid for several yards before coming to rest in a wooded area. A crew member and a passenger were killed while all 48 other occupants were evacuated, some of them wounded. The aircraft was written off.
Probable cause:
The crew led the aircraft pass below the glide in marginal weather conditions and continued the approach at an insufficient altitude, against published procedures.