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Crash of a De Havilland DHC-6 Twin Otter 100 in Tau

Date & Time: Jun 17, 1988 at 1036 LT
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Samoa Aviation
Registration:
N202RH
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Pago Pago - Tau
MSN:
68
YOM:
1967
Location:
Tau
All Samoa Islands
Country:
Samoa Islands (Western Samoa)
Region:
Oceania
Crew on board:
2
Crew fatalities:
Pax on board:
14
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
19455
Captain / Total hours on type:
3393.00
Aircraft flight hours:
18403
Circumstances:
The captain, who was flying the Twin Otter from the right seat, entered a right hand traffic pattern for landing. A left quartering, 15 knot headwind, was gusting across the airport. Upon turning to the final approach the captain reduced the aircraft's engine power to the low speed range for the visual approach. As the aircraft neared the runway the rate of descent accelerated. The captain's application of full engine power failed to arrest the aircraft's rate of descent and the aircraft impacted the ground short of the runway. All 16 occupants were injured.
Probable cause:
Occurrence #1: undershoot
Phase of operation: approach - vfr pattern - final approach
Findings
1. (c) planned approach - improper - pilot in command
2. (f) weather condition - turbulence
3. (f) weather condition - gusts
4. (c) powerplant controls - delayed - pilot in command
5. Stall/mush - inadvertent - pilot in command
----------
Occurrence #2: in flight collision with terrain/water
Phase of operation: approach - vfr pattern - final approach
Final Report:

Crash of a De Havilland DHC-6 Twin Otter 200 in Charlotte

Date & Time: Jan 19, 1988 at 1913 LT
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Registration:
N996SA
Flight Phase:
Landing (descent or approach)
Flight Type:
Cargo
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Erie - Charlotte
MSN:
159
YOM:
1968
Location:
Charlotte-Douglas
North Carolina
Country:
United States of America
Region:
North America
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
8900
Captain / Total hours on type:
320.00
Circumstances:
During the final approach on the instrument landing system, the pilot descended below the glidepath. The aircraft collided with a tree and struck the ground short of the runway threshold. The pilot was seriously injured.
Probable cause:
Occurrence #1: in flight collision with object
Phase of operation: approach - faf/outer marker to threshold (ifr)
Findings
1. Object - tree(s)
2. (c) ifr procedure - not followed - pilot in command
3. (f) weather condition - below approach/landing minimums
Final Report:

Crash of a De Havilland DHC-6 Twin Otter 300 off Samarinda: 17 killed

Date & Time: Dec 30, 1987
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Registration:
PK-NUY
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Lake, Sea, Ocean, River
Schedule:
Samarinda - Berau
MSN:
459
YOM:
1975
Location:
Samarinda
East Kalimantan
Country:
Indonesia
Region:
Asia
Crew on board:
3
Crew fatalities:
Pax on board:
14
Pax fatalities:
Other fatalities:
Total fatalities:
17
Circumstances:
After takeoff from Samarinda, while climbing, the twin engine airplane went out of control, entered a dive and crashed in the sea few km offshore. All 17 occupants were killed.

Crash of a De Havilland DHC-6 Twin Otter 300 in El Poleo: 2 killed

Date & Time: Oct 11, 1987
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Registration:
HK-2920
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Ocaña – El Poleo
MSN:
419
YOM:
1974
Location:
El Poleo
Norte de Santander
Country:
Colombia
Region:
South America
Crew on board:
2
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
While approaching El Poleo, the crew encountered limited visibility due to poor weather conditions. On final, the aircraft was too low and struck the top of a hill located few km from the landing area. Both pilots were killed while all seven passengers were rescued.

Crash of a De Havilland DHC-6 Twin Otter 100 in Maudsley Lake

Date & Time: Jun 13, 1987
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Registration:
C-FWGE
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
58
YOM:
1967
Location:
Maudsley Lake
Saskatchewan
Country:
Canada
Region:
North America
Crew on board:
2
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The float equipped aircraft landed hard at Maudsley Lake and bounced. The captain initiated a go-around when the aircraft struck trees and crashed. All nine occupants were injured and the aircraft was damaged beyond repair.

Crash of a De Havilland DHC-6 Twin Otter 100 in Ilaga: 7 killed

Date & Time: May 25, 1987
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Registration:
PK-MAM
Flight Phase:
Landing (descent or approach)
Flight Type:
Charter/Taxi (Non Scheduled Revenue Flight)
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Wamena – Ilaga
MSN:
76
YOM:
1967
Location:
Ilaga
Special Region of West Papua
Country:
Indonesia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
28
Pax fatalities:
Other fatalities:
Total fatalities:
7
Circumstances:
Crashed in unknown circumstances while on approach to Ilaga Airport. Seven occupants were killed and 23 others were injured.

Crash of a De Havilland DHC-6 Twin Otter 300 in Ruteng: 8 killed

Date & Time: May 23, 1987
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Registration:
PK-NUW
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Airport (less than 10 km from airport)
MSN:
474
YOM:
1975
Location:
Ruteng
East Nusa Tenggara
Country:
Indonesia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
6
Pax fatalities:
Other fatalities:
Total fatalities:
8
Circumstances:
On final approach in poor weather conditions, the aircraft struck trees, stalled and crashed in the jungle few km from the airport. All eight occupants were killed.

Crash of a De Havilland DHC-6 Twin Otter 300 in Santa Cruz: 14 killed

Date & Time: May 20, 1987
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Registration:
CP-1018
Flight Phase:
Landing (descent or approach)
Flight Type:
Charter/Taxi (Non Scheduled Revenue Flight)
Survivors:
Yes
Site:
Mountains
Schedule:
Camiri - Santa Cruz
MSN:
363
YOM:
1973
Location:
Santa Cruz-El Trompillo
Santa Cruz
Country:
Bolivia
Region:
South America
Crew on board:
3
Crew fatalities:
Pax on board:
13
Pax fatalities:
Other fatalities:
Total fatalities:
14
Circumstances:
While approaching Santa Cruz-El Trompillo Airport, the crew encountered poor weather conditions with low clouds and rain showers. Too low, the airplane struck wooded and hilly terrain few km from the airport. Two passengers were rescued while 14 other occupants were killed.

Crash of a De Havilland DHC-6 Twin Otter 300 off Felvoru

Date & Time: Feb 7, 1987
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Inter Atoll Air
Registration:
8Q-GIA
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Lake, Sea, Ocean, River
Schedule:
Male – Felvoru
MSN:
341
YOM:
1972
Location:
Felvoru
All Maldivian Islands
Country:
Maldivian Islands
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
14
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Upon landing on relative rough sea, the right float was torn off. The aircraft came to rest and partially sank few dozen meters offshore. All 16 occupants were rescued, some of them were slightly injured. The aircraft was written off.

Crash of a De Havilland DHC-6 Twin Otter 310 off Kingstown: 13 killed

Date & Time: Aug 4, 1986 at 0023 LT
Type of aircraft:
De Havilland DHC-6 Twin Otter
Operator:
Registration:
V2-LCJ
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Lake, Sea, Ocean, River
Schedule:
Castries - Kingstown
MSN:
785
YOM:
1982
Location:
Kingstown-E. T. Joshua (Arnos Vale)
All Saint Vincent and Grenadines
Country:
Saint Vincent and Grenadines
Region:
Central America
Crew on board:
2
Crew fatalities:
Pax on board:
11
Pax fatalities:
Other fatalities:
Total fatalities:
13
Circumstances:
The crew started the approach to Kingstown-Arnos Vale Airport by night and poor weather conditions. On final, the twin engine aircraft went out of control and crashed in the sea few km offshore. All 13 occupants were killed.
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