Aircraft family
DC-9 / MD-80 / MD-90 / 717 family
DC-9 / MD-80 / MD-90 / 717 family covers narrowbody passenger aircraft in the McDonnell Douglas / Douglas portfolio. The entry is imported from the McDonnell Douglas / Lockheed / Bombardier technical workbook and organized by family and derivative variant.
01
Overview
DC-9 / MD-80 / MD-90 / 717 family covers narrowbody passenger aircraft in the McDonnell Douglas / Douglas portfolio. The entry is imported from the McDonnell Douglas / Lockheed / Bombardier technical workbook and organized by family and derivative variant.
Advantages
- Rear-mounted twin-engine layout
- T-tail configuration
- Low ground height useful for smaller airports
Limitations
- Rear-engine maintenance access can be harder than wing-mounted engines
- Narrow cabin and limited overhead bin space
- JT8D-powered variants became noisy and fuel-inefficient
- T-tail deep-stall design considerations
- Later economics fell behind A320/737NG
02
Identification
Detailed identification notes are being prepared for this entry.
03
Aircraft line
FamilyDC-9 / MD-80 / MD-90 / 717 family
Explore models
Boeing 717-200 / MD-95Engine family: 2 × Rolls-Royce BR715-A1/C1View entryDC-9-10Engine family: 2 × Pratt & Whitney JT8D-5 / JT8D-7View entryDC-9-20Engine family: 2 × JT8D-9 / JT8D-11View entryDC-9-30Engine family: 2 × JT8D-7 / -9 / -11 / -15View entryDC-9-40Engine family: 2 × JT8D-15 / -17View entryDC-9-50Engine family: 2 × JT8D-17 / -17RView entryMD-81Engine family: 2 × JT8D-209View entryMD-82Engine family: 2 × JT8D-217A/CView entryMD-83Engine family: 2 × JT8D-219View entryMD-87Engine family: 2 × JT8D-217C / -219View entryMD-88Engine family: 2 × JT8D-219View entryMD-90-30Engine family: 2 × IAE V2525-D5View entry
04
Technical notes
Technical notes
- Rear-mounted twin-engine layout
- T-tail configuration
- Low ground height useful for smaller airports
- Progressive stretch from DC-9 to MD-80/MD-90
- MD-90 and 717 introduced more modern high-bypass engines
05
Related photography
More photographs of this family will appear here as they are catalogued.
06