gptkbp:instance_of
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gptkb:archaeological_site
|
gptkbp:bfsLayer
|
7
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gptkbp:bfsParent
|
gptkb:Martin-Baker_Mk._21
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gptkbp:aircraft_operated
|
specific training for ejection seat use
|
gptkbp:cockpit
|
high survival rate for pilots
|
gptkbp:deployment
|
gptkb:aircraft
|
gptkbp:design
|
gptkb:Martin-Baker
focus on pilot safety
Martin-Baker engineers
|
gptkbp:developer
|
1950s to 1960s
|
gptkbp:economic_impact
|
significant impact on aviation safety
|
gptkbp:elevation
|
up to 50,000 feet
|
gptkbp:excretion
|
integrated ejection system
|
gptkbp:features
|
lightweight materials
zero-zero capability
|
gptkbp:feedback
|
positive feedback from pilots
|
gptkbp:first_flight
|
gptkb:1955
|
gptkbp:height
|
1.2 m
|
gptkbp:historical_context
|
Cold War era aviation
|
gptkbp:historical_event
|
used in various military conflicts
|
gptkbp:historical_impact
|
influenced future ejection seat designs
|
gptkbp:historical_significance
|
important in aviation history
pioneering ejection seat technology
|
https://www.w3.org/2000/01/rdf-schema#label
|
Martin-Baker Mk. 21 D
|
gptkbp:influenced_by
|
earlier Martin-Baker designs
advancements in aerospace engineering
pilot safety concerns
|
gptkbp:innovation
|
innovative design features
|
gptkbp:introduced
|
1950s
|
gptkbp:is_tested_for
|
extensive testing before deployment
|
gptkbp:is_used_by
|
gptkb:military_base
|
gptkbp:legacy
|
foundation for modern ejection seats
|
gptkbp:manufacturer
|
gptkb:Martin-Baker_Aircraft_Company
|
gptkbp:material
|
aluminum and steel
|
gptkbp:max_takeoff_weight
|
up to 600 knots
rocket-assisted ejection
automated ejection sequence
|
gptkbp:military_technology
|
used in military aircraft
|
gptkbp:notable_users
|
gptkb:British_military_aircraft
|
gptkbp:operational_area
|
fighter jets
|
gptkbp:operational_history
|
served in multiple air forces
|
gptkbp:operational_status
|
retired
|
gptkbp:produced_by
|
limited production run
|
gptkbp:production_years
|
produced in the 1950s
|
gptkbp:regulatory_compliance
|
approved by military standards
|
gptkbp:related_model
|
gptkb:Martin-Baker_Mk._20
|
gptkbp:related_to
|
gptkb:Martin-Baker_Mk._20
|
gptkbp:safety_features
|
parachute deployment system
|
gptkbp:safety_record
|
high safety record
|
gptkbp:seating_capacity
|
mechanical ejection seat
ejectable seat
|
gptkbp:specifies
|
detailed technical specifications available
|
gptkbp:successor
|
gptkb:Martin-Baker_Mk._22
|
gptkbp:technology
|
ejection seat technology
|
gptkbp:training
|
pilot training on ejection procedures
|
gptkbp:type
|
gptkb:archaeological_site
|
gptkbp:used_in
|
various aircraft models
|
gptkbp:weight
|
approximately 60 kg
|
gptkbp:width
|
0.5 m
|