| Tail Number / N-Number | N525 |
| Manufacturer | HAWKER BEECHCRAFT CORP |
| Model | G58 |
| Year Built | 2007 |
| Manufacturer's Serial Number | TH-2188 |
| Aircraft Type | Fixed wing multi 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-550-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Type of Registrant | LLC |
| Owner Name | ALPINE AVIATION LLC |
| Street | PO BOX 18293 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73154-0293 |
| Region | Southwestern |
| County | Oklahoma County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2007-06-25 |
| Certificate Issue Date | 2022-12-17 |
| Last Action Date | 2022-12-17 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51515600 |
| Mode S Code Hex | A69B80 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N525.
| Tail Number / N-Number | N525 |
| Manufacturer | EXTRA FLUGZEUGBAU GMBH |
| Model | EA300/200 |
| Year Built | 1996 |
| Manufacturer's Serial Number | 09 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | AEIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | SHARMAN ENTERPRISES INC |
| Street | 262 SILVER EAGLE WAY |
| City | VACAVILLE |
| State | CA |
| Zip Code | 95688-1061 |
| County | Oklahoma County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1997-03-10 |
| Certificate Issue Date | 2008-01-07 |
| Last Action Date | 2008-01-07 |
| Last Status | Valid Registration |
| Cancellation Date | 2008-03-06 |
| Exported To | SOUTH AFRICA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N525.
| Tail Number / N-Number | N525 |
| Manufacturer | GRUMMAN |
| Model | G-21A |
| Manufacturer's Serial Number | B117 |
| Aircraft Type | Fixed wing multi engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | LAND MANAGEMENT CORP OF NORTH AMERICA |
| Street | 801 P STREET |
| City | LINCOLN |
| State | NE |
| Zip Code | 68508 |
| Region | Central |
| County | Oklahoma County |
| Certificate Issue Date | 1973-06-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1978-06-30 |
| Exported To | CANADA |