Individually Owned: 150,657
Corporate Owned: 137,281
Chicago O'hare International Airport
Aircraft Accident/Incident Report
Chicago, Illinois 60601
Saturday, February 10, 2001 16:53 CST
NTSB Narrative Summary Released at Completion of Accident
The crew unintentionally landed the airplane with the landing gear in the fully retracted position. The crew did not lower the landing gear or check the landing gear position as required on the flaps-up landing checklist, the normal landing checklist, and final checklist. According to the cockpit voice recorder (CVR), the landing gear unsafe warning horn did not sound during the entire recorded portion of the accident flight. The minimum equipment list (MEL) requires the installation of a placard that prohibits the silencing of the landing gear warning horn when the flap system is inoperative. The accident airplane had a placard that stated, "Do not silence gear warning horn." No anomalies were found with the landing gear system including the landing gear unsafe warning horn, the red landing gear control handle lighting, and the landing gear position lights. The flap system and ground proximity warning system (GPWS) were inoperative for the accident flight and were listed on the MEL as items that could be inoperative for revenue flight.
NTSB Probable Cause Narrative
The flightcrew not lowering the landing gear and/or verifying the landing gear position as required by three separate checklists, which resulted in an inadvertent gear-up landing. A factor to the accident was the flightcrew not complying with the required minimum equipment list placard that prohibited the silencing of the landing gear warning horn.
Event Information
| Type of Event | Accident |
| Event Date | 2/10/2001 |
| Event Day of the Week | Saturday |
| Time of Event | 1653 |
| Event Time Zone | Central Standard Time |
| Event City | Chicago |
| Event State | ILLINOIS |
| Event Country | -- |
| Zipcode of the event site | 60601 |
| Event Date Year | 2001 |
| Event Date Month | 2 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | -- |
| Event Location Longitude | -- |
| Event Location Airport | Chicago O'Hare International |
| Event Location Nearest Airport ID | ORD |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | 668 |
| Weather Briefing Completeness | Not pertinent |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1656 Central Standard Time |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | ORD |
| Elevation of weather observation facility | 668 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | CST |
| Lighting Conditions | Day |
| Lowest Ceiling Height | -- |
| Lowest Non-Ceiling Height | -- |
| Sky/Lowest/Cloud Conditions | Clear |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | -- |
| Visibility Runway Visual Value (Statute Miles) | -- |
| Visibility (Statute Miles) | 10 |
| Air Temperature at event time (in degrees celsius) | -8 |
| Dew Point at event time (in degress fahrenheit) | -13 |
| Wind Direction (degrees magnetic) | 300 |
| Variable Wind Indicator | Wind direction could be determined |
| Wind Speed (knots) | 7 |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | -- |
| Altimeter Setting at event time (in. Hg) | 30.49 |
| Density Altitude (feet) | -2532 |
| Intensity of Precipitation | -- |
| METAR weather report | KORD METAR 102256Z 30007KT 10SM CLR M08/M13 A3049 |
| Event Highest Injury | Minor |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | -- |
| Injury Total Minor | 7 |
| Injury Total None | 10 |
| Injury Total Serious | -- |
| Injury Total All | 7 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 11981 |
| NTSB Notification Source | ORD Ops |
| NTSB Notification Date | Feb 10 2001 12:00AM |
| NTSB Notification Time | 2036 |
| Fiche Number and/or location -used to find docket information | DMS |
| Date of most recent change to record | Jul 15 2002 12:15PM |
| User who most recently changed record | NTSB\MONR |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | FAA, ORD FSDO |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N97UX |
| NTSB Number | CHI01FA084 |
| Missing Aircraft Indicator | -- |
| Federal Aviation Reg. Part | Part 121: Air Carrier |
| Type of Flight Plan filed | IFR |
| Flight plan Was Activated? | Yes |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | Beech |
| Aircraft Model | 1900D |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | UE-97 |
| Certified Max Gross Weight | 17060 |
| Aircraft Category | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 21 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Continuous Airworthiness |
| Date of Last Inspection | Feb 5 2001 12:00AM |
| Airframe hours since last inspection | 16.5 |
| Airframe Hours | 16997 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | Great Lakes Aviation, Ltd. |
| Aircraft Owner Street Address | 1022 Airport Parkway |
| Aircraft Owner City | Cheyenne |
| Aircraft Owner State | WY |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 82001 |
| Operator is an individual? | No |
| Operator Name | -- |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | -- |
| Operator City | -- |
| Operator State | -- |
| Operator Country | -- |
| Operator Zip code | -- |
| Operator Code | GLBA |
| Owner has at least one certificate | -- |
| Other Operator of large aircraft? | -- |
| Certified for Part 133 or 137 Operation | -- |
| Operator Certificate Number | -- |
| Indicates whether an air carrier operation was scheduled or not | Scheduled |
| Indicates Domestic or International Flight | Domestic |
| Operator carrying Pax/Cargo/Mail | Passenger Only |
| Type of Flying (Per_Bus / Primary) | -- |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | No |
| Departure Airport Code | SPI |
| Departure City | Springfield |
| Departure State | IL |
| Departure Country | USA |
| Departure Time | 1605 |
| Departure Time Zone | CST |
| Destination Same as Local Flt | crash at destination city |
| Destination Airport Code | ORD |
| Destination City | Chicago |
| Destination State | IL |
| Destination Country | USA |
| Specific Phase of Flight | Landing - flare/touchdown |
| Report sent to ICAO? | No |
| Evacuation occurred | No |
| Date of most recent change to record | Jun 17 2002 11:59AM |
| User who most recently changed record | SULP |
| Since inspection or accident | Time of Accident |
| Event Location Runway Number and Location | 4R |
| Runway Length | 8071 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |