| Tail Number / N-Number | N18121 |
| Manufacturer | DOUGLAS |
| Model | DC3A |
| Year Built | 1937 |
| Manufacturer's Serial Number | 1997 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 32 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | R-1830 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,350 hp (1,007 kW) |
| Total Horsepower | 2,700 hp (2,014 kW) |
| Average Cruising Speed | 144 miles per hour |
| Type of Registrant | LLC |
| Owner Name | BLUE SKIES AIR LLC |
| Street | 888 SW 5TH AVE STE 1600 |
| City | PORTLAND |
| State | OR |
| Zip Code | 97204-2030 |
| Region | Northwest Mountain |
| County | Multnomah County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1953-06-09 |
| Certificate Issue Date | 2007-09-11 |
| Last Action Date | 2020-11-17 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50243433 |
| Mode S Code Hex | A1471B |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N18121.
| Tail Number / N-Number | N18121 |
| Manufacturer | BEECH |
| Model | F90 |
| Manufacturer's Serial Number | LA144 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | JIM LAFFERTY AIRCRAFT SALES INC |
| Street | 1250 AVIATION AVE STE 170 |
| City | SAN JOSE |
| State | CA |
| Zip Code | 95110 |
| County | Multnomah County |
| Country | US |
| Certificate Issue Date | 1991-06-14 |
| Last Action Date | 1991-06-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1991-07-09 |
| Exported To | BRAZIL |