E-4 NOAC vs SR-20
The E-4 NOAC and the SR-20 are both Military Special Mission Aircraft, manufactured by Boeing and Cirrus respectively. The E-4 NOAC reaches 969 km/h — 3.4x the SR-20's 287 km/h. The E-4 NOAC has an operational range of 12,600 km vs 1,450 km for the SR-20. The E-4 NOAC operates at altitudes up to 13,716 m compared to 5,334 m for the SR-20. At 374,850 kg MTOW, the E-4 NOAC is 271:1 the SR-20's 1,383 kg. The E-4 NOAC has been produced in 4 units vs 1,459 for the SR-20. Unit cost is $223M for the E-4 NOAC vs $0.63M for the SR-20. The E-4 NOAC first flew 15 years before the SR-20 (1980 vs 1995).
| American advanced airborne command post, launched during the Cold War, extensively employed for national emergency operations. | |
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| Origin country | 🇺🇸 United States |
| Category | Military Special Mission Aircraft |
| Manufacturer | Boeing |
| First flight | 1 January 1980 |
| Year introduced | 1974 |
| Number produced | 4 units |
| Average unit price | $223 million |
| American civil utility aircraft, renowned from the late 20th century, extensively deployed in private aviation and flight training. | |
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| Origin country | 🇺🇸 United States |
| Category | Military Special Mission Aircraft |
| Manufacturer | Cirrus |
| First flight | 21 March 1995 |
| Year introduced | 1999 |
| Number produced | 1459 units |
| Average unit price | $0.6 million |
| Wing area | 510.0 m² ◉ |
| Wingspan | 59.7 m ◉ |
| Height | 19.3 m ◉ |
| Length | 70.5 m ◉ |
| Maximum speed | 969 km/h ◉ |
| Operational range | 12,600 km ◉ |
| Service ceiling | 13,716 m ◉ |
| Max. takeoff weight | 374,850 kg ◉ |
| Empty weight | 190,000 kg ◉ |
| Total thrust | 4 x 23,814 kgf ◉ |
| Wing area | 13.5 m² ◉ |
| Wingspan | 11.7 m ◉ |
| Height | 2.5 m ◉ |
| Length | 8.0 m ◉ |
| Maximum speed | 287 km/h ◉ |
| Operational range | 1,450 km ◉ |
| Service ceiling | 5,334 m ◉ |
| Max. takeoff weight | 1,383 kg ◉ |
| Empty weight | 943 kg ◉ |
| Total thrust | 1 x 149 kW ◉ |
Performance Radar Chart
Frequently Asked Questions
Which is faster, the E-4 NOAC or SR-20?
The E-4 NOAC is faster with a maximum speed of 969 km/h compared to the SR-20's 287 km/h, a difference of 682 km/h.
Which has longer range, the E-4 NOAC or SR-20?
The E-4 NOAC has a longer range at 12,600 km compared to the SR-20's 1,450 km.
Which can fly higher, the E-4 NOAC or SR-20?
The E-4 NOAC has a higher service ceiling at 13,716 meters (45,000 ft) compared to the SR-20's 5,334 meters (17,500 ft).
Which is heavier, the E-4 NOAC or SR-20?
The E-4 NOAC has a higher maximum takeoff weight at 374,850 kg compared to the SR-20's 1,383 kg.
Which is larger, the E-4 NOAC or SR-20?
The E-4 NOAC is longer at 70.5 meters compared to the SR-20's 8.0 meters.
Which is more expensive, the E-4 NOAC or SR-20?
The E-4 NOAC is more expensive at approximately $223 million per unit compared to the SR-20 at $0.6 million.
Which entered service first, the E-4 NOAC or SR-20?
The E-4 NOAC entered service first in 1974, 25 years before the SR-20 which entered service in 1999.
Which has been built in greater numbers, the E-4 NOAC or SR-20?
The SR-20 has been produced in greater numbers with 1,459 units compared to 4 units of the E-4 NOAC.