Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3991C.
| Tail Number / N-Number | N3991C |
| Manufacturer | MCDONNELL DOUGLAS |
| Model | DC-9-32 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 47175 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 116 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | JT8D-15 |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 15,500 pounds-force (68.9 kN) |
| Total Thrust | 31,000 pounds-force (137.9 kN) |
| Average Cruising Speed | 315 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | NORTHWEST AIRLINES INC |
| Street | 7500 AIRLINE DR DEPARTMENT C8863 |
| City | MINNEAPOLIS |
| State | MN |
| Zip Code | 55450 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-07-23 |
| Certificate Issue Date | 2004-12-07 |
| Last Action Date | 2007-12-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2008-08-04 |
| Mode S Code | 51123266 |
| Mode S Code Hex | A4A6B6 |