Exhibits
NEST Bell 412 HP Helicopter
Bell 412 HP “NEST” Helicopter
A Silent Guardian of National Security
On March 25, the Bell 412 HP (N411DE) will be permanently docked in Heritage Park, serving as a powerful testament to the intersection of aviation engineering and nuclear non-proliferation. For over 30 years, this specific aircraft was a primary asset for the Nuclear Emergency Support Team (NEST), a specialized unit of the National Nuclear Security Administration (NNSA).
While its silhouette is a modern evolution of the legendary Vietnam-era "Huey," its mission was uniquely domestic. As a high-tech aerial sensor platform, this helicopter secured National Special Security Events, including Super Bowls and Presidential Inaugurations, by scanning for radiological threats to ensure the safety of millions.
Technical Specifications
| Attribute | Specification |
| Model | Bell 412 HP (High Performance) |
| Serial Number | 36030 |
| Registration | N411DE |
| Engine Type | Pratt & Whitney Canada PT6T-3D Twin-Pac |
| Horsepower | 1,800 HP |
| Rotor System | Four-blade, small-diameter (46 ft) |
| Max Speed | 160 mph |
| Service History | 1993–2025 (U.S. Dept. of Energy / NNSA) |
Exhibit Highlights
- The NEST Mission: Explore how this aircraft was used to conduct rapid-response radiological surveys across the globe and at major American public gatherings.
- The "Huey" Evolution: Compare the technical advancements of the 412 HP—specifically its four-blade rotor system—to its predecessor, the UH-1.
- National Preservation: Learn about the retirement of the NEST Bell 412 fleet and its transition to our permanent collection
Plan Your Visit
The Bell 412 HP is located in the Heritage Park outdoor exhibit area. Access to this exhibit is included with general museum admission.
- Location: Nine-acre outdoor exhibit area (Heritage Park)
- Admission: Included with Museum Entry
- Photography: Encouraged for personal use