Grob G520

High-Altitude Turboprop Aircraft

Germany | 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.

Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Grob G520 High-Altitude Turboprop Aircraft.

1 x Honeywell TPE331-14F turboprop engine developing 750 horsepower driving four-bladed propeller unit at the nose.
Propulsion

292 mph
470 kph | 254 kts
Max Speed

50,033 ft
15,250 m | 9 miles
Service Ceiling

2,280 miles
3,670 km | 1,982 nm
Operational Range

900 ft/min
274 m/min
Rate-of-Climb

City-to-City Ranges
Operational range when compared to distances between major cities (in KM).

NYC

LON

PAR

BER

MOS

TOK

SYD

LAX

NYC

Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the Grob G520 High-Altitude Turboprop Aircraft.

1
(MANNED)
Crew

45.3 ft
13.82 m
O/A Length

108.3 ft
(33.00 m)
O/A Width

18.5 ft
(5.65 m)
O/A Height

7,275 lb
(3,300 kg)
Empty Weight

10,362 lb
(4,700 kg)
MTOW

Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.

RANGE

ALT

SPEED

Variants
Notable series variants as part of the Grob G520 family line.

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.

Operators
Global customers who have evaluated and/or operated the Grob G520. Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 6 Units
Contractor(s): Grob Aircraft - Germany

[ Argentina; Australia; Germany; United States ]

Going Further...
The Grob G520 High-Altitude Turboprop Aircraft appears in the following collections:

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