Lockheed · turboprop
Lockheed L-749A Constellation (VC-121B) accident history and safety score
Lockheed L-749A Constellation (VC-121B) 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.
61%
Class average: 60%
Weather Resilience
Tolerance to crosswinds, turbulence, and structural icing thresholds.
4/10
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
Performance Profile
Five-axis safety ratings · hover vertices for metric explanation
Metric ratings
Average survival rate of occupants in recorded serious airframe occurrences. Higher percentage indicates better energy absorption and crashworthiness.
Actuarial Insurance Underwriting Calculator
Adjust annual utilization and operating parameters below to calculate the custom hull liability policy score for a **Lockheed L-749A Constellation (VC-121B)** (turboprop class) starting from its fixed baseline safety score of **73**.
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.
Fleet Specs & Flight Profiles
Cabin & Seating Configuration Matrix
Single-Class Commuter configuration (Max pax: 74)
Economy Class
Capacity: 74 seats
Seat Pitch
29 in
Seat Width
17 in
Cabin Onboard Amenities
High-Speed Wi-Fi
Not equipped on model
Audio / Video Screen
None
Seat Power Outlets
Shared AC
USB charging slots
Absent
Flightradar24 Telemetry & Cruising Profiles
Mach 0.50 (approx. 510 km/h / 275 knots)
25,000 ft (7,620 m)
1,800 ft/min (9.1 m/s)
1,500 km (810 nmi)
2x Turboprops (Pratt & Whitney Canada PW150)
Dual constant-speed propellers
Mode-S / ADS-B Out
1200 (Regional VFR)
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-749A Constellation (VC-121B)
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
Recent crashes
Recent plane crashes involving Lockheed L-749A Constellation (VC-121B)
1988-01-01
Lockheed L-749A Constellation HI-422 occurrence at Santo Domingo
Santo Domingo · Aerochago Airlines
Fatalities
1981-10-26
Lockheed L-749A Constellation (VC-121B) HI-328 occurrence at W off Saint Thomas Airport (STT)
W off Saint Thomas Airport (STT) · Aerolineas Argo
3
Fatalities
1969-11-28
Lockheed L-749A Constellation 5N-85H occurrence at Oukaimeden mountains
Oukaimeden mountains · Biafran Government
8
Fatalities
1969-08-04
Lockheed L-749A Constellation N120A occurrence at near Auriflama, SP
near Auriflama, SP · Trans Southern Corp
0
Fatalities
1966-08-15
Lockheed L-749A Constellation N65 occurrence at Tachikawa AFB
Tachikawa AFB · Federal Aviation Agency - FAA
0
Fatalities
1966-06-06
Lockheed L-749A Constellation N86523 occurrence at Kenai Airport, AK (ENA)
Kenai Airport, AK (ENA) · Pacific Northern Airlines
0
Fatalities
1966-04-27
Lockheed L-749A Constellation OB-R-771 occurrence at Mount Talaula
Mount Talaula · Lineas Aéreas Nacionales S.A. - LANSA
49
Fatalities
1963-01-11
Lockheed L-749A Constellation F-BAZM occurrence at near Périllos
near Périllos · Secrétariat Général à l'Aviation Civile - SGAC
12
Fatalities
1962-04-26
Lockheed L-749A Constellation N116A occurrence at Canton Island Airport (CIS)
Canton Island Airport (CIS) · Federal Aviation Agency - FAA
5
Fatalities
1961-11-11
Lockheed L-749A Constellation HH-ABA occurrence at E off Puerto Rico [Caribbean Sea]
E off Puerto Rico [Caribbean Sea] · Air Haiti International
3
Fatalities
1961-06-20
Lockheed L-749A Constellation N5595A occurrence at Oakland International Airport, CA (OAK)
Oakland International Airport, CA (OAK) · International Aircraft Services
Fatalities
1960-06-14
Lockheed L-749A Constellation N1554V occurrence at Mount Gilbert, AK
Mount Gilbert, AK · Pacific Northern Airlines
14
Fatalities
1960-01-03
Lockheed L-749A Constellation N110A occurrence at Philadelphia International Airport, PA (PHL)
Philadelphia International Airport, PA (PHL) · Eastern Air Lines
0
Fatalities
1958-12-24
Lockheed L-749A Constellation F-BAZX occurrence at 2,2 km SSE of Wien-Schwechat International Airport (VIE)
2,2 km SSE of Wien-Schwechat International Airport (VIE) · Air France
0
Fatalities
1958-06-02
Lockheed L-749A Constellation XA-MEV occurrence at 16 km W of Guadalajara Airport (GDL)
16 km W of Guadalajara Airport (GDL) · Aeronaves de México
45
Fatalities
1955-12-21
Lockheed L-749A Constellation N112A occurrence at 1 km SW of Jacksonville-Thomas Cole Imeson Municipal Airport, FL
1 km SW of Jacksonville-Thomas Cole Imeson Municipal Airport, FL · Eastern Air Lines
17
Fatalities
1955-12-17
Lockheed L-749A Constellation F-BAZG occurrence at Algiers-Maison Blanche Airport (ALG)
Algiers-Maison Blanche Airport (ALG) · Air Algérie
0
Fatalities
1955-04-11
Lockheed L-749A Constellation VT-DEP occurrence at off Great Natuna Islands
off Great Natuna Islands · Air-India
16
Fatalities
1954-10-21
Lockheed L-749A Constellation G-ALAK occurrence at Karachi Airport
Karachi Airport · BOAC
0
Fatalities
1954-03-13
Lockheed L-749A Constellation G-ALAM occurrence at Singapore-Kallang Airport
Singapore-Kallang Airport · British Overseas Airways Corporation - BOAC
33
Fatalities
1953-10-19
Lockheed L-749A Constellation N119A occurrence at New York-Idlewild International Airport, NY (IDL)
New York-Idlewild International Airport, NY (IDL) · Eastern Air Lines
2
Fatalities
1953-09-01
Lockheed L-749A Constellation F-BAZZ occurrence at Mont Le Cimet
Mont Le Cimet · Air France
42
Fatalities
1953-08-03
Lockheed L-749A Constellation F-BAZS occurrence at 10 km off Fethiye
10 km off Fethiye · Air France
4
Fatalities
1951-07-19
Lockheed L-749A Constellation N119A occurrence at Curles Neck Farm, VA
Curles Neck Farm, VA · Eastern Air Lines
0
Fatalities
1951-01-24
Lockheed L-749A Constellation PH-TET occurrence at Amsterdam-Schiphol Airport
Amsterdam-Schiphol Airport · KLM Royal Dutch Airlines
0
Fatalities