Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N236B.
| Tail Number / N-Number | N236B |
| Manufacturer | BELL |
| Model | 47D1 |
| Year Built | 1950 |
| Manufacturer's Serial Number | 47D1-181 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | EASTERN STATES HELICOPTER SERVICE INC |
| Street | 2 JOHNS ST |
| City | PROVIDENCE |
| State | RI |
| Zip Code | 02903 |
| Region | New England |
| Certificate Issue Date | 1950-07-07 |
| Last Status | Valid Registration |
| Cancellation Date | 1951-05-25 |
| Exported To | CANADA |
| Mode S Code | 50417343 |
| Mode S Code Hex | A21EE3 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N236B.
| Tail Number / N-Number | N236B |
| Manufacturer | BOUWENS |
| Model | BA2 |
| Manufacturer's Serial Number | 1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 85 miles per hour |
| Mode S Code | 50417343 |
| Mode S Code Hex | A21EE3 |