gptkbp:instance_of
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gptkb:archaeological_site
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gptkbp:bfsLayer
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8
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gptkbp:bfsParent
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gptkb:Martin-Baker_Mk._21_U
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gptkbp:certification
|
FAA certified
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gptkbp:color
|
gptkb:black
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gptkbp:controls
|
manual and automatic
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gptkbp:country
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gptkb:United_Kingdom
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gptkbp:crew
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gptkb:musical
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gptkbp:deployment
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pyrotechnic
|
gptkbp:developer
|
1950s to 1960s
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gptkbp:elevation
|
up to 50,000 feet
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gptkbp:features
|
lightweight construction
automatic ejection system
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gptkbp:feedback
|
positive reviews from pilots
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gptkbp:first_introduced
|
1960s
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gptkbp:future_plans
|
continued use in modern aircraft
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gptkbp:height
|
1.2 meters
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gptkbp:historical_significance
|
first zero-zero seat in service
|
https://www.w3.org/2000/01/rdf-schema#label
|
Martin-Baker Mk. 22 U
|
gptkbp:influenced_by
|
Martin-Baker Mk. 20 U
|
gptkbp:is_designed_for
|
gptkb:aircraft
|
gptkbp:launched
|
catapult or gravity
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gptkbp:legacy
|
widely used in military aviation
|
gptkbp:manufacturer
|
gptkb:Martin-Baker_Aircraft_Company
|
gptkbp:market
|
available for military contracts
|
gptkbp:material
|
aluminum alloy
|
gptkbp:max_takeoff_weight
|
round parachute
up to 600 knots
|
gptkbp:modifications
|
upgraded versions available
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gptkbp:notable_users
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gptkb:military_base
|
gptkbp:operational_area
|
combat missions
|
gptkbp:operational_history
|
used in various conflicts
|
gptkbp:orbital_inclination
|
30 degrees
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gptkbp:produced_by
|
in production
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gptkbp:related_to
|
gptkb:Martin-Baker_Mk._21_U
|
gptkbp:released
|
gptkb:battle
|
gptkbp:research_and_development
|
ongoing improvements
|
gptkbp:safety_features
|
high
improved pilot safety
|
gptkbp:seating_capacity
|
ejector seat
|
gptkbp:successor
|
Martin-Baker Mk. 23 U
|
gptkbp:technology
|
ejection technology
|
gptkbp:training
|
gptkb:battle
pilot ejection training
five-point harness
|
gptkbp:type
|
gptkb:zero-zero_ejection_seat
|
gptkbp:used_in
|
gptkb:Hawker_Siddeley_Harrier
|
gptkbp:weight
|
up to 250 kg
approximately 100 kg
|
gptkbp:width
|
0.5 meters
|