de Havilland · turboprop
De Havilland DHC-6 Twin Otter accident history and safety score
De Havilland DHC-6 Twin Otter appears in 275 current candidate incident rows extracted from Track Plane Crash source snapshots. This generated profile is source-discovery first and awaits deeper authority enrichment.
Diagnostic Safety & Security Metrics
Occupant Survivability Rate
Percentage of cabin occupants surviving indexed crash incidents.
30%
Class average: 60%
Weather Resilience
Tolerance to crosswinds, turbulence, and structural icing thresholds.
4.6/10
Class average: 5.8/10
Mechanical Integrity
Structural robustness, system MTBF, and power plant reliability indicators.
7.2/10
Class average: 8/10
Operational Control Demand
Pilot experience and workload sensitivity (higher indicates more demanding flight handling).
7.5/10
Class average: 7.2/10
Flight System Redundancy
Multi-engine safety margins, backup avionics, and flight envelope protection.
5/10
Class average: 4/10
Safety Signature Radar
Actuarial Insurance Underwriting Calculator
Adjust flight parameters dynamically to calculate the custom hull liability safety index for a **De Havilland DHC-6 Twin Otter** (turboprop class).
Calculated Policy Score
43
High liability exposure. Special hull exclusions apply. Out-of-policy exception approval required.
• Day Visual Flight Rules operations maximize survivability margins.
How We Calculate
These diagnostic indicators are compiled by Track Plane Crash analysts using historical incident data, manufacturer specifications, NTSB/FAA investigation materials, and fleet class coefficients.
They serve as qualitative safety benchmarks for aircraft classes and families, and do not represent insurance actuarial loss ratings for individual tail numbers.
Risk themes
GEO rule: aircraft pages must separate model involvement from accident cause. A crash involving a model is not automatically a model defect.
Source links
Past accident rows
Incidents currently linked to De Havilland DHC-6 Twin Otter
Pilatus PC-6 Crash in Nancy
BAAA lists a Pilatus PC-6 crash at Nancy-Essey on June 28, 2026 with 11 fatalities. This seed page is intentionally marked recent and requires official-source enrichment before causal analysis.
11
Fatalities
0
Survivors
2
Sources
Beechcraft BE55 Crash Near Lancaster, South Carolina
The FAA states that a Beechcraft BE55 crashed near Lancaster, South Carolina around 12:45 a.m. local time on July 2, 2026. Two people were on board; casualty and cause details remain pending in this row.
0
Fatalities
0
Survivors
1
Sources
Two-Seat Cessna Crash Near High Ongar, Essex
Two people died after a two-seat Cessna aircraft crashed in a field near High Ongar, Essex on July 1, 2026 during a flight experience that had departed North Weald airfield, according to public reporting.
2
Fatalities
0
Survivors
1
Sources
Pacific Aerospace 750XL Skydiving Crash Near Butler, Missouri
A Pacific Aerospace 750XL skydiving aircraft operated by Skydive Kansas City crashed shortly after takeoff near Butler, Missouri on June 14, 2026, killing all 12 people on board. AP reports preliminary NTSB findings found no evidence of engine failure or mechanical malfunction.
12
Fatalities
0
Survivors
1
Sources
Rockwell Gulfstream 690C Crash Near Fort Simpson
BAAA lists a Rockwell Gulfstream 690C Jetprop 840 crash near Fort Simpson, Northwest Territories on June 24, 2026 with three fatalities. This row is a recent discovery entry pending official investigation enrichment.
3
Fatalities
0
Survivors
1
Sources
Candidate rows
Daily source candidates involving De Havilland DHC-6 Twin Otter
2026-02-20
A26A0013: Runway incursion and risk of collision involving and at CANLink Aviation Inc. (Moncton Flight College [MFC]), Diamond DA 20-C1, C-FRJU, Greater Moncton Roméo LeBlanc International Airport (CYQM), New Brunswick
CANLink Aviation Inc. (Moncton Flight College [MFC]), Diamond DA 20-C1, C-FRJU, Greater Moncton Roméo LeBlanc International Airport (CYQM), New Brunswick · Air Canada Rouge, Airbus A320-214, C-GFCH
pending
Fatalities
2025-09-02
A25O0130: Runway incursion and risk of collision involving and at Bombardier Global 7500 (BD700-2A12), C-FFPT, Toronto/Lester B. Pearson International Airport (CYYZ), Ontario
Bombardier Global 7500 (BD700-2A12), C-FFPT, Toronto/Lester B. Pearson International Airport (CYYZ), Ontario · Air Canada, Airbus A220-300, C- GJYI
pending
Fatalities
2025-08-11
DE HAVILLAND DHC-6-300 WPR25LA250 NTSB dataset event at San Celmente, CA, USA
San Celmente, CA, USA · Rampart Aviation
0
Fatalities
2025-08-09
DE HAVILLAND DHC-6-300 WPR25LA248 NTSB dataset event at Whitmore, AZ, USA
Whitmore, AZ, USA · GRAND CANYON AIRLINES INC
0
Fatalities
2025-06-08
De Havilland DHC-6 Twin Otter N166DH BAAA archive accident at Tullahoma-William Northern Field, Tennessee
Tullahoma-William Northern Field, Tennessee · Randigo
0
Fatalities
2025-04-25
De Havilland DHC-6 Twin Otter 36964 BAAA archive accident at Hua Hin, Prachuap Khiri Khan (ประจวบคีรีขันธ์)
Hua Hin, Prachuap Khiri Khan (ประจวบคีรีขันธ์) · Pending verification
6
Fatalities
2024-10-20
De Havilland DHC-6 Twin Otter PK-SMH BAAA archive accident at Panua Pohuwato, Gorontalo
Panua Pohuwato, Gorontalo · Pending verification
4
Fatalities
2023-12-27
De Havilland DHC-6 Twin Otter C-GMAS BAAA archive accident at Lac de Gras, Northwest Territories
Lac de Gras, Northwest Territories · Pending verification
0
Fatalities
2023-12-27
A23W0158: Controlled flight into terrain involving De Havilland DHC-6 Twin Otter Series 300, C-GMAS at Diavik Aerodrome (CDK2), Northwest Territories, 7 NM SE
Diavik Aerodrome (CDK2), Northwest Territories, 7 NM SE · Air Tindi Ltd.
pending
Fatalities
2023-10-06
A23W0122: Runway incursion and risk of collision involving and at Jazz Aviation LP De Havilland Aircraft of Canada Limited DHC-8-402, C-GGNZ, Calgary International Airport (CYYC), Alberta
Jazz Aviation LP De Havilland Aircraft of Canada Limited DHC-8-402, C-GGNZ, Calgary International Airport (CYYC), Alberta · Airport Terminal Services aircraft tow vehicles ATSTOW504 +1
pending
Fatalities
2023-08-20
A23O0108: Ground personnel entanglement with external load involving and at Expedition Helicopters Inc., Airbus Helicopters AS350 BA, C-FHAU, Wawa, Ontario, 25 NM W
Expedition Helicopters Inc., Airbus Helicopters AS350 BA, C-FHAU, Wawa, Ontario, 25 NM W · G4 Drilling Canada Ltd.
pending
Fatalities
2023-05-20
De Havilland DHC-6 Twin Otter N153QS BAAA archive accident at Half Moon Bay, California
Half Moon Bay, California · Pending verification
2
Fatalities
2022-05-29
De Havilland DHC-6 Twin Otter 9N-AET BAAA archive accident at Sanosware, Dhawalagiri
Sanosware, Dhawalagiri · Pending verification
22
Fatalities
2022-05-10
De Havilland DHC-6 Twin Otter TJ-TIM BAAA archive accident at Nanga Eboko, Centre
Nanga Eboko, Centre · Pending verification
11
Fatalities
2021-11-01
A21W0098: Fuel starvation involving de Havilland DHC-6-300 Twin Otter, C-GNPS at Fort Providence, Northwest Territories, 6.7 NM NW
Fort Providence, Northwest Territories, 6.7 NM NW · Air Tindi Ltd.
pending
Fatalities
2021-09-15
De Havilland DHC-6 Twin Otter PK-OTW BAAA archive accident at Bilogai-Sugapa, Special Region of Papua
Bilogai-Sugapa, Special Region of Papua · Pending verification
3
Fatalities
2020-03-07
A20O0029: Runway incursion – risk of collision involving and at Air Canada Embraer ERJ 190-100 IGW, C-FMZW, and, Air Canada Boeing 777-333ER, C-FJZS, Toronto/Lester B. Pearson International Airport, Ontario
Air Canada Embraer ERJ 190-100 IGW, C-FMZW, and, Air Canada Boeing 777-333ER, C-FJZS, Toronto/Lester B. Pearson International Airport, Ontario · NAV CANADA Toronto Control Tower
pending
Fatalities
2019-09-18
De Havilland DHC-6 Twin Otter PK-CDC BAAA archive accident at Kampung Mamontoga, Special Region of Papua
Kampung Mamontoga, Special Region of Papua · Pending verification
4
Fatalities
2018-11-04
A18O0150: Mid-air collision involving and at NLG Air Inc., Piper PA-42 Cheyenne III, C-FCSL, Ottawa/Carp Airport, Ontario, 1.3 nm S
NLG Air Inc., Piper PA-42 Cheyenne III, C-FCSL, Ottawa/Carp Airport, Ontario, 1.3 nm S · Cessna 150G, C-FGMZ (privately owned)
pending
Fatalities
2018-08-30
De Havilland DHC-6 Twin Otter ET-AIU BAAA archive accident at Mojo, Oromia
Mojo, Oromia · Pending verification
18
Fatalities
2018-04-15
A18C0018: Brake failure and ground collision involving and at Morningstar Partners Ltd., Bombardier CL-600-2B16, C-FXWT, Winnipeg/James Armstrong Richardson International Airport, Manitoba
Morningstar Partners Ltd., Bombardier CL-600-2B16, C-FXWT, Winnipeg/James Armstrong Richardson International Airport, Manitoba · Private Cessna Citation Bravo 550, N4AT
pending
Fatalities
2018-01-05
A18O0002: Ground collision, fire, and evacuation involving and at Sunwing Airlines Inc., Boeing 737-800, C-FPRP, Toronto/Lester B. Pearson International Airport, Ontario
Sunwing Airlines Inc., Boeing 737-800, C-FPRP, Toronto/Lester B. Pearson International Airport, Ontario · WestJet Airlines Ltd., Boeing 737-800, C-FDMB
pending
Fatalities
2017-05-24
De Havilland DHC-6 Twin Otter N708PV BAAA archive accident at Perris Valley, California
Perris Valley, California · Pending verification
0
Fatalities
2017-03-17
A17Q0030: Mid-air collision involving and at Cargair Ltd., Cessna 152, C-FGOI, Montréal/St-Hubert Airport, Quebec, 1.7 nm ESE
Cargair Ltd., Cessna 152, C-FGOI, Montréal/St-Hubert Airport, Quebec, 1.7 nm ESE · Cargair Ltd., Cessna 152, C-GPNP
pending
Fatalities
2016-10-14
A16O0149: Risk of collision involving and at Jazz Aviation LP (dba Air Canada Express),, DHC-8-402, C-GXJZ, Sudbury Airport, Ontario, 9.5 nm SW
Jazz Aviation LP (dba Air Canada Express),, DHC-8-402, C-GXJZ, Sudbury Airport, Ontario, 9.5 nm SW · Porter Airlines Inc., DHC-8-402, C-GKQA
pending
Fatalities