| Tail Number / N-Number | N123AC |
| Manufacturer | CESSNA |
| Model | 172D |
| Year Built | 1962 |
| Manufacturer's Serial Number | 17249624 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | 0-300 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 145 hp (108 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AEROCAREERS NFP |
| Street | 225 CARL ST |
| City | COLUMBIA |
| State | IL |
| Zip Code | 62236-1907 |
| Region | Great Lakes |
| County | Monroe County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1962-09-29 |
| Certificate Issue Date | 2018-07-09 |
| Last Action Date | 2021-02-13 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 50057332 |
| Mode S Code Hex | A05EDA |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N123AC.
| Tail Number / N-Number | N123AC |
| Manufacturer | HAWKER SIDDELEY |
| Model | DH.125-3A |
| Year Built | 1966 |
| Manufacturer's Serial Number | 25122 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | BRIST SID |
| Engine Model | MARK 521 |
| Engine Type | Turbo-jet |
| Number of Engines | 2 engines |
| Horsepower per Engine | 312 hp (233 kW) |
| Total Horsepower | 624 hp (466 kW) |
| Average Cruising Speed | 320 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | OK AVIATION INC |
| Street | 2959 MONTEREY SALINAS HWY |
| City | MONTEREY |
| State | CA |
| Zip Code | 93940 |
| County | Monroe County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1967-05-31 |
| Certificate Issue Date | 1989-07-31 |
| Last Action Date | 1992-09-19 |
| Last Status | A second attempt has been made at mailing a Triennial Aircraft Registration form to the owner with no response |
| Cancellation Date | 2001-11-20 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N123AC.
| Tail Number / N-Number | N123AC |
| Manufacturer | LOCKHEED |
| Model | 188C |
| Manufacturer's Serial Number | 1082 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 102 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 336 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | WEST COAST PROPERTIES INC |
| Street | 1010 SECOND AVE STE 1200 |
| City | SAN DIEGO |
| State | CA |
| Zip Code | 92101 |
| Region | Western-Pacific |
| County | Monroe County |
| Country | US |
| Certificate Issue Date | 1971-08-30 |
| Last Status | Valid Registration |
| Cancellation Date | 1980-03-14 |
| Exported To | INDONESIA |