Lockheed · turboprop
Lockheed L-749 Constellation (C-121A) accident history and safety score
Lockheed L-749 Constellation (C-121A) appears in 1 current candidate incident row 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.
65%
Class average: 60%
Weather Resilience
Tolerance to crosswinds, turbulence, and structural icing thresholds.
6/10
Class average: 5.8/10
Mechanical Integrity
Structural robustness, system MTBF, and power plant reliability indicators.
8/10
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 **Lockheed L-749 Constellation (C-121A)** (turboprop class).
Calculated Policy Score
78
Regular coverage parameters. Baseline rates apply with standard pilot warranties.
• 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 Lockheed L-749 Constellation (C-121A)
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 Lockheed L-749 Constellation (C-121A)
1988-12-30
Lockheed L-749 Constellation HI-422 BAAA archive accident at Santo Domingo-Las Américas, Santo Domingo
Santo Domingo-Las Américas, Santo Domingo · Pending verification
0
Fatalities
1981-10-26
Lockheed L-749 Constellation HI-328 BAAA archive accident at Charlotte Amalie-Cyril E. King (ex Harry S. Truman), All US Virgin Islands
Charlotte Amalie-Cyril E. King (ex Harry S. Truman), All US Virgin Islands · Pending verification
3
Fatalities
1979-06-21
Lockheed L-749 Constellation (VC-121B) C-GXKS occurrence at Rivière-du-Loup Airport, QC (YRI)
Rivière-du-Loup Airport, QC (YRI) · Beaver Air Spray
0
Fatalities
1979-06-20
Lockheed L-749 Constellation C-GXKS BAAA archive accident at Rivière-du-Loup, Quebec
Rivière-du-Loup, Quebec · Beaver Air Spray
0
Fatalities
1969-11-27
Lockheed L-749 Constellation 5N-85H BAAA archive accident at Oukaïmeden, Marrakech-Tensift-El Haouz
Oukaïmeden, Marrakech-Tensift-El Haouz · Biafran Government
8
Fatalities
1969-08-03
Lockheed L-749 Constellation N120A BAAA archive accident at Araçatuba, São Paulo
Araçatuba, São Paulo · Trans Southern Corporation - TSC
0
Fatalities
1966-08-15
Lockheed L-749 Constellation N65 BAAA archive accident at Tachikawa AFB (Tokyo), Kantō
Tachikawa AFB (Tokyo), Kantō · Pending verification
0
Fatalities
1966-06-05
Lockheed L-749 Constellation N86523 BAAA archive accident at Kenai, Alaska
Kenai, Alaska · Pending verification
0
Fatalities
1966-04-27
Lockheed L-749 Constellation OB-R-771 BAAA archive accident at Tomas, Lima
Tomas, Lima · Pending verification
49
Fatalities
1964-10-01
Lockheed L-749 Constellation LX-IOK BAAA archive accident at Addis Ababa-Bole, Addis Ababa City District
Addis Ababa-Bole, Addis Ababa City District · Pending verification
1
Fatalities
1963-01-10
Lockheed L-749 Constellation F-BAZM BAAA archive accident at Périllos, Pyrénées-Orientales
Périllos, Pyrénées-Orientales · Escadrille Aérienne de Recherche et de Sauvetage - EARS
12
Fatalities
1962-04-26
Lockheed L-749 Constellation N116A BAAA archive accident at Topham (Canton Island), All Kiribati
Topham (Canton Island), All Kiribati · Pending verification
5
Fatalities
1961-11-10
Lockheed L-749 Constellation HH-ABA BAAA archive accident at Caribbean Sea, World
Caribbean Sea, World · Air Haïti International
3
Fatalities
1961-06-19
Lockheed L-749 Constellation N5595A BAAA archive accident at Oakland, California
Oakland, California · International Aircraft Services
0
Fatalities
1960-06-14
Lockheed L-749 Constellation N1554V BAAA archive accident at Mt Gilbert, Alaska
Mt Gilbert, Alaska · Pending verification
14
Fatalities
1960-01-02
Lockheed L-749 Constellation N110A BAAA archive accident at Philadelphia, Pennsylvania
Philadelphia, Pennsylvania · Pending verification
0
Fatalities
1958-12-24
Lockheed L-749 Constellation F-BAZX BAAA archive accident at Vienna-Schwechat, Lower Austria
Vienna-Schwechat, Lower Austria · Pending verification
0
Fatalities
1958-06-02
Lockheed L-749 Constellation XA-MEV BAAA archive accident at Guadalajara, Jalisco
Guadalajara, Jalisco · Pending verification
45
Fatalities
1957-07-10
Lockheed L-749 Constellation (C-121A) ET-T-35 occurrence at 49 km from Khartoum
49 km from Khartoum · Ethiopian Air Lines
0
Fatalities
1957-07-10
Lockheed L-749 Constellation ET-T-35 BAAA archive accident at Khartoum, Khartoum (الخرطوم)
Khartoum, Khartoum (الخرطوم) · Pending verification
0
Fatalities
1956-11-27
Lockheed L-749 Constellation YV-C-AMA BAAA archive accident at Mt Naiguatá, Miranda
Mt Naiguatá, Miranda · Pending verification
25
Fatalities
1955-12-21
Lockheed L-749 Constellation N112A BAAA archive accident at Jacksonville, Florida
Jacksonville, Florida · Pending verification
17
Fatalities
1955-12-16
Lockheed L-749 Constellation F-BAZG BAAA archive accident at Algiers, Algiers
Algiers, Algiers · Pending verification
0
Fatalities
1955-04-11
Lockheed L-749 Constellation VT-DEP BAAA archive accident at Natuna Besar Island, Riau Islands
Natuna Besar Island, Riau Islands · Pending verification
16
Fatalities
1954-08-25
Lockheed L-749 Constellation F-BAZI occurrence at Gander Airport, NL (YQX)
Gander Airport, NL (YQX) · Air France
0
Fatalities