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Grob G-120 vs L-159 ALCA

Grob G-120 vs L-159 ALCA at a glance — top speed 435 vs 936 km/h, range 1,540 vs 1,570 km, max takeoff weight 1,490 vs 8,000 kg, built 215 vs 72 units.

Grob G-120 military training aircraft side profile drawing
🇩🇪 Grob G-120
Aero L-159 ALCA military training aircraft side profile drawing
🇨🇿 L-159 ALCA
Specifications
Grob G-120 L-159 ALCA
Origin country 🇩🇪 Germany 🇨🇿 Czechia
Category Military Training Aircraft Military Training Aircraft
Manufacturer Grob Aero
First flight 1 January 1999 2 August 1997
Year introduced 1999 2000
Number produced 215 units 72 units
Average unit price -- $9 million
Wing area 13.3 m² 18.8 m²
Wingspan 10.2 m 9.5 m
Height 2.7 m 4.9 m
Length 8.1 m 12.7 m
Maximum speed 435 km/h 936 km/h
Operational range 1,540 km 1,570 km
Service ceiling 5,486 m 13,200 m
Max. takeoff weight 1,490 kg 8,000 kg
Empty weight 1,080 kg 4,350 kg
Total thrust 1 x 194 kW 1 x 2,871 kgf
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the Grob G-120 or L-159 ALCA?
The L-159 ALCA is faster with a maximum speed of 936 km/h compared to the Grob G-120's 435 km/h, a difference of 501 km/h.
Which has longer range, the Grob G-120 or L-159 ALCA?
The L-159 ALCA has a longer range at 1,570 km compared to the Grob G-120's 1,540 km.
Which can fly higher, the Grob G-120 or L-159 ALCA?
The L-159 ALCA has a higher service ceiling at 13,200 meters (43,307 ft) compared to the Grob G-120's 5,486 meters (17,998 ft).
Which is heavier, the Grob G-120 or L-159 ALCA?
The L-159 ALCA has a higher maximum takeoff weight at 8,000 kg compared to the Grob G-120's 1,490 kg.
Which is larger, the Grob G-120 or L-159 ALCA?
The L-159 ALCA is longer at 12.7 meters compared to the Grob G-120's 8.1 meters.
Which entered service first, the Grob G-120 or L-159 ALCA?
The Grob G-120 entered service first in 1999, 1 years before the L-159 ALCA which entered service in 2000.
Which has been built in greater numbers, the Grob G-120 or L-159 ALCA?
The Grob G-120 has been produced in greater numbers with 215 units compared to 72 units of the L-159 ALCA.