Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N31238.
| Tail Number / N-Number | N31238 |
| Manufacturer | LAMSON AIRCRAFT CO |
| Model | LAMSON AIR-TRACTOR |
| Year Built | 1954 |
| Manufacturer's Serial Number | L1011 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Type of Registrant | Corporation |
| Owner Name | LAMSON AIRCRAFT CO |
| Street | 807 4TH AVE |
| City | SEATTLE |
| State | WA |
| Zip Code | 00000 |
| Country | US |
| Last Action Date | 1977-01-14 |
| Last Status | Certificate of Registration has been revoked |
| Cancellation Date | 2009-10-19 |
| Mode S Code | 50650441 |
| Mode S Code Hex | A35121 |