Mercury-Atlas 4

GPTKB entity

Properties (54)
Predicate Object
gptkbp:instanceOf gptkb:spacecraft
gptkbp:airlines 15 minutes
suborbital
successful mission analysis
gptkbp:communicationEquipment VHF radio
gptkbp:controls manual and automatic
manual control
gptkbp:crew gptkb:Alan_Shepard
extensive training
gptkbp:crewCapacity 1
first human spaceflight experience
gptkbp:duration 15 minutes
gptkbp:fanArt gptkb:Atlantic_Ocean
gptkbp:firstAwarded false
gptkbp:firstFlight 1
true
gptkbp:height 3.05 m
gptkbp:historicalSignificance pioneering human spaceflight
https://www.w3.org/2000/01/rdf-schema#label Mercury-Atlas 4
gptkbp:landingGear gptkb:Atlantic_Ocean
1,200 kg
gptkbp:launchDate 1961-04-29
09:34 UTC
09:49 UTC
gptkbp:launched gptkb:Launch_Complex_14
successful launch
gptkbp:launchSite gptkb:Cape_Canaveral_Air_Force_Station
1,500 kg
gptkbp:launchVehicle gptkb:Atlas_LV-3B
gptkbp:legacy inspired future space missions
gptkbp:manufacturer gptkb:McDonnell_Aircraft_Corporation
gptkbp:maximumDepth 187.5 km
gptkbp:mission gptkb:Mercury_spacecraft
Freedom 7
crewed spaceflight
gptkbp:missions gptkb:Mercury_Control_Center
15 minutes
completed
successful
suborbital flight
gptkbp:notableEvent gptkb:Mercury_program
gptkbp:notableFeature true
gptkbp:operator NASA
gptkbp:orbitalInclination 0 degrees
gptkbp:postRetirementCareer retired
gptkbp:powers solar panels
gptkbp:predecessor gptkb:Mercury-Atlas_3
gptkbp:renovated helicopter recovery
gptkbp:significance first American human spaceflight
gptkbp:significantEvent first American in space
gptkbp:speed 8.2 km/s
gptkbp:successor gptkb:Mercury-Atlas_5
gptkbp:weight 1,200 kg
gptkbp:width 1.83 m