Lockheed EC-121 Warning Star
type: Aircraft
type: SpatialThing
type: Model airplane
type: TransportationDevice Vehicle
label: EC-121预警星 @zh
label: EC-121 워닝스타 @ko
label: لوكهيد إي سي-121 وارنينغ ستار @ar
related: * * * * * * * *
subject: Category:Four-engined piston aircraft
subject: Category:Triple-tail aircraft
subject: Category:Lockheed Constellation
subject: Category:Lockheed aircraft
subject: Category:1940s United States special-purpose aircraft
subject: Category:AWACS aircraft
subject: Category:Aircraft with retractable tricycle landing gear
subject: Category:Low-wing aircraft
subject: Category:Four-engined tractor aircraft
subject: Category:Aircraft first flown in 1949
description: طائرة إنذار مبكر وتحكم وسيطرة @ar
description: 1949 early warning and control aircraft family by Lockheed
description: アメリカ海軍の電子偵察機 @ja
description: aew Lockheed @it
name: EC-121 Warning Star
lat: 19.41666603088379
long: 107.4166641235352
ceiling m: 7620
cruise speed kmh: 410
cruise speed kts: 222
empty weight kg: 31387
height m: 7.54
length m: 35.4
max takeoff weight kg: 65000
range nmi: 3700
span m: 38.45
wing area sqm: 153.27
type: Airborne early warning and control
retired: 1978
retired: 1982
caption: EC-121T Warning Star
date: October 2024
reason: Above summary indicates 3x EC-121R
ceiling ft: 25000
developed from: Lockheed L-749 Constellation
developed from: Lockheed L-1049 Super Constellation
developed from: Lockheed C-121 Constellation
eng1 name: Wright R-3350 Duplex-Cyclone
eng1 number: 4
eng1 type: 18
height ft: 24
height in: 9
length ft: 116
length in: 2
max speed kmh: 481
max speed kts: 260
max speed mph: 299
max takeoff weight lb: 143000
span ft: 126
span in: 2
wing area sqft: 1650
climb rate ms: 4.87
eng1 kw: 2536
manufacturer: Lockheed Corporation
range km: 6843
point: 19.416666666666668 107.41666666666667
first flight: 1949-06-09
introduction: 1954
lists: * List of Lockheed aircraft * List of Lockheed Constellation operators * List of military electronics of the United States
national origin: United States
number built: 232
primary user: United States Air Force
primary user: United States Navy
produced: 1953
see also: * Lockheed Constellation variants
similar aircraft: * * *
cruise speed mph: 255
empty weight lb: 69210
eng1 hp: 3400
range miles: 4250
climb rate ftmin: 960