| HB-INA Obwalden | 1981 McDonnell Douglas MD-81 (DC-9-81) C/N 49100Discuss this aircraft in community | 
| Manufacturer: | McDonnell Douglas | 
| Model: | MD-81 (DC-9-81) Search all McDonnell Douglas MD-81 (DC-9-81) | 
| Year built: | 1981 | 
| Construction Number (C/N): | 49100 | 
| Aircraft Type: | Fixed wing multi engine | 
| Number of Seats: | 116 | 
| Number of Engines: | 2 | 
| Engine Type: | Turbofan | 
| Engine Manufacturer and Model: | Pratt & Whitney JT8D-217C | 
| Registration Number: | HB-INA | 
| Alternative Code/Name: | Obwalden | 
| Current Status: | De-registered | 
| Delivery Date: | 1981-12-09 | 
| Owner: | Swissair | 
| Address: | , Switzerland |