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A-50 Mainstay vs R-99 Erieye

A-50 Mainstay vs R-99 Erieye at a glance — top speed 900 vs 833 km/h, range 7,500 vs 3,000 km, max takeoff weight 190,000 vs 24,100 kg.

Beriev A-50 Mainstay military special mission aircraft side profile drawing
🇷🇺 A-50 Mainstay
Embraer R-99 Erieye military special mission aircraft side profile drawing
🇧🇷 R-99 Erieye
Specifications
A-50 Mainstay R-99 Erieye
Origin country 🇷🇺 Russia 🇧🇷 Brazil
Category Military Special Mission Aircraft Military Special Mission Aircraft
Manufacturer Beriev Embraer
First flight 19 December 1978 1 January 1999
Year introduced 1985 2001
Number produced 42 units N/A
Average unit price $300 million --
Wing area 300.0 m² 51.2 m²
Wingspan 50.6 m 20.0 m
Height 14.8 m 6.8 m
Length 46.6 m 29.9 m
Maximum speed 900 km/h 833 km/h
Operational range 7,500 km 3,000 km
Service ceiling 15,500 m 11,278 m
Max. takeoff weight 190,000 kg 24,100 kg
Empty weight 61,000 kg 12,591 kg
Total thrust 4 x 12,000 kgf 2 x 40 kN
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the A-50 Mainstay or R-99 Erieye?
The A-50 Mainstay is faster with a maximum speed of 900 km/h compared to the R-99 Erieye's 833 km/h, a difference of 67 km/h.
Which has longer range, the A-50 Mainstay or R-99 Erieye?
The A-50 Mainstay has a longer range at 7,500 km compared to the R-99 Erieye's 3,000 km.
Which can fly higher, the A-50 Mainstay or R-99 Erieye?
The A-50 Mainstay has a higher service ceiling at 15,500 meters (50,853 ft) compared to the R-99 Erieye's 11,278 meters (37,001 ft).
Which is heavier, the A-50 Mainstay or R-99 Erieye?
The A-50 Mainstay has a higher maximum takeoff weight at 190,000 kg compared to the R-99 Erieye's 24,100 kg.
Which is larger, the A-50 Mainstay or R-99 Erieye?
The A-50 Mainstay is longer at 46.6 meters compared to the R-99 Erieye's 29.9 meters.
Which entered service first, the A-50 Mainstay or R-99 Erieye?
The A-50 Mainstay entered service first in 1985, 16 years before the R-99 Erieye which entered service in 2001.