| Tail Number / N-Number | N8186S |
| Manufacturer | ROLLADEN-SCHNEIDER |
| Model | LS8-18 |
| Year Built | 2000 |
| Manufacturer's Serial Number | 8341 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | LLC |
| Owner Name | SIERRA SOARING LLC |
| Street | 3601 TERRY POINT DR |
| City | FORT COLLINS |
| State | CO |
| Zip Code | 80524-1328 |
| Region | Northwest Mountain |
| County | Larimer County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2001-02-17 |
| Certificate Issue Date | 2013-03-12 |
| Last Action Date | 2021-12-26 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 52625117 |
| Mode S Code Hex | AB2A4F |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N8186S.
| Tail Number / N-Number | N8186S |
| Manufacturer | CESSNA |
| Model | 150 |
| Manufacturer's Serial Number | 150-61786 |
| 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 | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | EXECUTIVE FLIGHT SERVICES INC |
| Street | 7400 N E AIRPORT WAY |
| City | PORTLAND |
| State | OR |
| Zip Code | 97201 |
| Region | Northwest Mountain |
| County | Larimer County |
| Certificate Issue Date | 1965-09-07 |
| Last Status | Valid Registration |
| Cancellation Date | 1967-11-13 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N8186S.
| Tail Number / N-Number | N8186S |
| Manufacturer | PIPER |
| Model | PA-34-200T |
| Manufacturer's Serial Number | 348070181 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 105 miles per hour |
| County | Larimer County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |