Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1645M.
| Tail Number / N-Number | N1645M |
| Manufacturer | CESSNA |
| Model | 185 |
| Manufacturer's Serial Number | 8501848 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 125 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BLAIN GERHART |
| Street | BLUE CREEK ROUTE |
| City | BILLINGS |
| State | MT |
| Zip Code | 59101 |
| Region | Northwest Mountain |
| Certificate Issue Date | 1974-06-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-08-02 |
| Exported To | NEW ZEALAND |
| Mode S Code | 50201635 |
| Mode S Code Hex | A1039D |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1645M.
| Tail Number / N-Number | N1645M |
| Manufacturer | BOEING |
| Model | E75 |
| Manufacturer's Serial Number | 75-8797 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | 93 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | UNITED STATES OF AMERICA |
| Last Status | Valid Registration |
| Cancellation Date | 1952-02-21 |
| Mode S Code | 50201635 |
| Mode S Code Hex | A1039D |