| Tail Number / N-Number | N31PK |
| Manufacturer | LOYD REMUS |
| Model | MODIFIED RV4 |
| Year Built | 2011 |
| Manufacturer's Serial Number | PANTHER 1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AEROSPORT |
| Engine Model | IO-375 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | REMUS LOYD A |
| Street | 7055 PFOST DR |
| City | PEYTON |
| State | CO |
| Zip Code | 80831-6050 |
| Region | Northwest Mountain |
| County | El Paso County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-07-07 |
| Certificate Issue Date | 2011-06-14 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 50642707 |
| Mode S Code Hex | A345C7 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N31PK.
| Tail Number / N-Number | N31PK |
| Manufacturer | MOONEY AIRCRAFT CORP. |
| Model | M20K |
| Year Built | 1979 |
| Manufacturer's Serial Number | 25-0109 |
| 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 | TSIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 225 hp (168 kW) |
| Type of Registrant | Individual |
| Owner Name | TOEPFER KENDRA |
| Street | 8727 OTTER COVE CIR |
| City | INDIANAPOLIS |
| State | IN |
| Zip Code | 46236-9019 |
| County | El Paso County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-04-25 |
| Certificate Issue Date | 2001-04-12 |
| Last Action Date | 2004-04-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2006-01-04 |
| Exported To | GERMANY |