Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N612B.
| Tail Number / N-Number | N612B |
| Manufacturer | ENSTROM |
| Model | F-28A |
| Year Built | 1975 |
| Manufacturer's Serial Number | 313 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | WALTON AVIATION INC |
| Street | 1710 MARION AIRPORT RD |
| City | MARION |
| State | IA |
| Zip Code | 52302-9626 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-06-24 |
| Certificate Issue Date | 1999-03-15 |
| Last Action Date | 2011-01-24 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2017-09-18 |
| Mode S Code | 51773105 |
| Mode S Code Hex | A7F645 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N612B.
| Tail Number / N-Number | N612B |
| Manufacturer | ENSTROM |
| Model | F-28A |
| Manufacturer's Serial Number | 321 |
| 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 | 75 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | EXECUTIVE HELICOPTER INC |
| Street | 5245 W 55TH ST |
| City | CHICAGO |
| State | IL |
| Zip Code | 60638 |
| Region | Great Lakes |
| Last Status | Valid Registration |
| Cancellation Date | 1979-07-05 |
| Mode S Code | 51773105 |
| Mode S Code Hex | A7F645 |