AGM-78 Standard ARM vs Alarm
The AGM-78 Standard ARM and the Alarm are both Air-to-Surface missiles. Range is 90 km for the AGM-78 Standard ARM vs 93 km for the Alarm. The AGM-78 Standard ARM reaches 2,223 km/h vs 2,455 km/h for the Alarm. Launch weight is 817 kg for the AGM-78 Standard ARM vs 268 kg for the Alarm. The AGM-78 Standard ARM uses Passive radar homing guidance, while the Alarm relies on Pre-programmed/passive radar seeker. The AGM-78 Standard ARM has been produced in 3,000 units vs 1,200 for the Alarm. The AGM-78 Standard ARM entered service 22 years before the Alarm (1968 vs 1990).
| American anti-radar missile, entered service in 1968, utilizes passive radar homing for guidance. | |
| Origin | 🇺🇸 United States |
| Category | Air-to-Surface |
| Type | Anti-radar missile |
| Manufacturer | Raytheon / Hughes |
| Service year | 1968 |
| Number produced | 3,000 units |
| Estimated unit price | NA |
| British anti-radar missile, entered service in 1990, utilizes a passive radar seeker for guidance. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Air-to-Surface |
| Type | Anti-radar Missile |
| Manufacturer | BAe Dynamics |
| Service year | 1990 |
| Number produced | 1,200 units |
| Estimated unit price | NA |
| Range | 90.0 km â—‰ |
| Maximum speed | Mach 1.8 â—‰ |
| Weight | 817 kg â—‰ |
| Warhead | 101.0 kg |
| Length | 4.57 m â—‰ |
| Diameter | 343 mm â—‰ |
| Guidance | Passive radar homing |
| Warhead type | High Explosive / Fragmentation |
| Range | 93.0 km â—‰ |
| Maximum speed | Mach 2.0 â—‰ |
| Weight | 268 kg â—‰ |
| Warhead | -- kg |
| Length | 4.24 m â—‰ |
| Diameter | 230 mm â—‰ |
| Guidance | Pre-programmed/passive radar seeker |
| Warhead type | Proximity fused high-explosive |
Performance Radar Chart
Frequently Asked Questions
Which has longer range, the AGM-78 Standard ARM or Alarm?
The Alarm has a longer range at 93 km compared to the AGM-78 Standard ARM's 90 km.
Which is faster, the AGM-78 Standard ARM or Alarm?
The Alarm is faster with a maximum speed of Mach 2.0 compared to the AGM-78 Standard ARM's Mach 1.8.
Which has a larger warhead, the AGM-78 Standard ARM or Alarm?
The AGM-78 Standard ARM carries a larger warhead at 101 kg compared to the Alarm's 0 kg.
Which is heavier, the AGM-78 Standard ARM or Alarm?
The AGM-78 Standard ARM is heavier at 817 kg compared to the Alarm's 268 kg.
Which is longer, the AGM-78 Standard ARM or Alarm?
The AGM-78 Standard ARM is longer at 4.57 meters compared to the Alarm's 4.24 meters.
What guidance systems do the AGM-78 Standard ARM and Alarm use?
The AGM-78 Standard ARM uses Passive radar homing guidance while the Alarm uses Pre-programmed/passive radar seeker guidance.
Which entered service first, the AGM-78 Standard ARM or Alarm?
The AGM-78 Standard ARM entered service first in 1968, 22 years before the Alarm which entered service in 1990.
Which has been built in greater numbers, the AGM-78 Standard ARM or Alarm?
The AGM-78 Standard ARM has been produced in greater numbers with 3,000 units compared to 1,200 units of the Alarm.