| Tail Number / N-Number | N51804 |
| Manufacturer | CESSNA |
| Model | 172S |
| Year Built | 2009 |
| Manufacturer's Serial Number | 172S10898 |
| 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 | LYCOMING |
| Engine Model | IO-360-L2A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | SUMMIT AVIATION INC |
| Street | 490 WINGS WAY |
| City | BELGRADE |
| State | MT |
| Zip Code | 59714-3557 |
| Region | Northwest Mountain |
| County | Gallatin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-04-20 |
| Certificate Issue Date | 2022-11-29 |
| Last Action Date | 2022-11-29 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51500634 |
| Mode S Code Hex | A6819C |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N51804.
| Tail Number / N-Number | N51804 |
| Manufacturer | BELL |
| Model | 427 |
| Year Built | 2002 |
| Manufacturer's Serial Number | 56037 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PW207D |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 572 hp (427 kW) |
| Total Horsepower | 1,144 hp (853 kW) |
| Type of Registrant | Corporation |
| Owner Name | KYAMI STATUTORY TRUST |
| Street | C/O WELLS FARGO BANK NW NA 299 S MAIN ST 12TH FL |
| City | SALT LAKE CITY |
| State | UT |
| Zip Code | 84111 |
| County | Gallatin County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2003-12-09 |
| Certificate Issue Date | 2005-07-12 |
| Last Action Date | 2005-07-12 |
| Last Status | Valid Registration |
| Cancellation Date | 2005-10-21 |
| Exported To | ANGOLA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N51804.
| Tail Number / N-Number | N51804 |
| Manufacturer | BOEING |
| Model | A75N1 |
| Manufacturer's Serial Number | 75-4287 |
| 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 |
| Type of Registrant | Individual |
| Owner Name | EVERETT T MORRISSETTE |
| Street | 124 MYRTLE ST |
| City | INDIAN ORCHARD |
| State | MA |
| Zip Code | 01151 |
| Region | New England |
| County | Gallatin County |
| Certificate Issue Date | 1946-03-11 |
| Last Status | Valid Registration |
| Cancellation Date | 1947-10-16 |