| CP Method: | Rocksim/Rocksim |
| CP Position From Front: | 23.81 inches |
| Decals: | Waterslide |
| Diameter: | 1.64 inches |
| Fin Material: | Balsa |
| Length: | 27.63 inches |
| Main Body Tube: | BT-60 |
| Main Nose Cone: | PNC-60RL |
| Manufacturer: | Estes ![]() |
| Model: | 1987 |
| Motor Size: | 18 millimeters |
| Nose Cone Material: | Plastic |
| Plan (JimZ): | https://spacemodeling.org/jimz/estes/001987_SENTINEL_ATA.pdf ![]() |
| Power: | Low-Power |
| Product Type: | Kit |
| Production Years: | 1988-1994 |
| Recommended Motors: | A8-3, B4-4, B6-4, C6-3, C6-5 |
| Recovery: | Parachute |
| Skill Level: | 2 |
| Status: | Out-Of-Production |
| Style: | Scale-Like |
| Weight: | 2.70 ounces |
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