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Aviation / Aerospace


Grob G520


High-Altitude Turboprop Aircraft [ 1991 ]



Production of the role-specific Grob G512 high-altitude-minded aircraft has been limited to fewer than ten total examples.



Authored By: Staff Writer | Last Edited: 10/26/2020 | Content ©www.MilitaryFactory.com


October 2020 - An H3Grob G520 has been used to host an SPL antenna for 4G LTE voice and data testing from altitudes as high as 45,000 feet.

Specifications



Grob Aircraft - Germany
Manufacturer(s)
Argentina; Australia; Germany; United States
Operators National flag of Argentina National flag of Australia National flag of modern Germany National flag of the United States
1991
Service Year
Germany
National Origin
Active, Limited
Project Status
1
Crew
6
Units


INTELLIGENCE-SURVEILLANCE-RECONNAISSANCE
Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.


45.3 ft
(13.82 meters)
Length
108.3 ft
(33.00 meters)
Width/Span
18.5 ft
(5.65 meters)
Height
7,275 lb
(3,300 kilograms)
Empty Weight
10,362 lb
(4,700 kilograms)
Maximum Take-Off Weight
+3,086 lb
(+1,400 kg)
Weight Difference


1 x Honeywell TPE331-14F turboprop engine developing 750 horsepower driving four-bladed propeller unit at the nose.
Propulsion
292 mph
(470 kph | 254 knots)
Max Speed
50,033 ft
(15,250 m | 9 miles)
Ceiling
2,280 miles
(3,670 km | 1,982 nm)
Range
900 ft/min
(274 m/min)
Rate-of-Climb


MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030


None.


G520 - Base Series Designation.
G520T - Twin-seat variant of 2014; training model; single example completed.
G520NG - Next Generation revision of the G520T production model unveiled in 2014.


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