| Tail Number / N-Number | N31639 |
| Manufacturer | LORAIN STEVEN L |
| Model | QUICKSILVER MXII SPR |
| Year Built | 1997 |
| Manufacturer's Serial Number | 529 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 582SER |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | LORAIN STEVEN L |
| Street | 5730 MARLIN DR |
| City | DISCOVERY BAY |
| State | CA |
| Zip Code | 94505-9384 |
| Region | Western-Pacific |
| County | Alameda County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-10-27 |
| Certificate Issue Date | 2007-05-10 |
| Last Action Date | 2020-07-15 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 50657776 |
| Mode S Code Hex | A35FFE |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N31639.
| Tail Number / N-Number | N31639 |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-301 |
| Year Built | 1984 |
| Manufacturer's Serial Number | 301-0536 |
| Aircraft Type | Fixed wing single engine |
| 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 | P&W |
| Engine Model | R1340 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 71 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HOWE BROS ENTERPRISES INC |
| Street | 15867 SW 151ST ST |
| City | INDIANTOWN |
| State | FL |
| Zip Code | 34956-3456 |
| County | Alameda County |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1984-02-09 |
| Certificate Issue Date | 1999-07-27 |
| Last Action Date | 2002-07-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2004-12-17 |
| Exported To | COLOMBIA |