Individually Owned: 150,657
Corporate Owned: 137,281
Midland Airport
Aircraft Accident/Incident Report
Midland, Texas 79706
Wednesday, May 9, 2012 10:30 CDT
NTSB Narrative Summary Released at Completion of Accident
The pilot realized that the right main landing gear failed to extend before landing; they followed the emergency checklist procedure to manually pump the gear down. However, the pilot was unable to extend the gear, and the right main landing gear collapsed upon landing. When the airplane was recovered, the right gear was locked in the extended position, and the airplane was towed to a hangar and placed on jacks. The landing gear was then cycled successfully numerous times; the right main landing gear's failure to extend could not be duplicated. Further examination revealed that the top end of the right main landing gear's downlock adjustment screw was slightly bent. When the bent screw was positioned so that it leaned against the landing gear's downlock mechanism during the extension cycle, the landing gear system's downlock engaged before the gear was fully seated in the gear saddle. The position of the adjustment downlock screw was not documented until after the landing gear had been cycled several times; however, the condition is consistent with the pilot’s inability to manually extend the landing gear using the emergency hand pump. No other mechanical anomalies were noted, and the landing gear system operated normally after the adjustment downlock screw was replaced. It is unknown how the downlock adjustment screw got bent or how long it had been in that condition.
NTSB Probable Cause Narrative
The failure of the right main landing gear to fully extend before landing due to a bent downlock adjustment screw.
Event Information
| Type of Event | Accident |
| Event Date | 5/9/2012 |
| Event Day of the Week | Wednesday |
| Time of Event | 1030 |
| Event Time Zone | Central Daylight Time |
| Event City | Midland |
| Event State | TEXAS |
| Event Country | -- |
| Zipcode of the event site | 79706 |
| Event Date Year | 2012 |
| Event Date Month | 5 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | 315620N |
| Event Location Longitude | 1021204W |
| Event Location Airport | Midland |
| Event Location Nearest Airport ID | MAF |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | -- |
| Airport Elevation | 2872 |
| Weather Briefing Completeness | -- |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1053 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | MAF |
| Elevation of weather observation facility | 2872 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | CDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 3900 |
| Lowest Non-Ceiling Height | -- |
| Sky/Lowest/Cloud Conditions | -- |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | -- |
| Visibility Runway Visual Value (Statute Miles) | -- |
| Visibility (Statute Miles) | 10 |
| Air Temperature at event time (in degrees celsius) | 19 |
| Dew Point at event time (in degress fahrenheit) | 6 |
| Wind Direction (degrees magnetic) | 100 |
| Variable Wind Indicator | Wind direction could be determined |
| Wind Speed (knots) | 8 |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | -- |
| Altimeter Setting at event time (in. Hg) | 30.17 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | -- |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 2 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 31800 |
| NTSB Notification Source | LBB FSDO |
| NTSB Notification Date | -- |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | -- |
| Date of most recent change to record | Jul 30 2013 11:13AM |
| User who most recently changed record | yeal |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N727FA |
| NTSB Number | CEN12LA300 |
| Missing Aircraft Indicator | -- |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | IFR |
| Flight plan Was Activated? | Yes |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | CESSNA |
| Aircraft Model | T210K |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | 21059414 |
| Certified Max Gross Weight | -- |
| Aircraft Category | Airplane |
| Aircraft Registration Class | -- |
| Aircraft is a homebuilt? | No |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 6 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Jan 26 2011 12:00AM |
| Airframe hours since last inspection | -- |
| Airframe Hours | 3973 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | Unknown |
| Aircraft Owner Name | CORPORATE SERVICES LLC |
| Aircraft Owner Street Address | -- |
| Aircraft Owner City | BATON ROUGE |
| Aircraft Owner State | LA |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 70816-4353 |
| Operator is an individual? | No |
| Operator Name | CORPORATE SERVICES LLC |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | -- |
| Operator City | BATON ROUGE |
| Operator State | LA |
| Operator Country | USA |
| Operator Zip code | 70816-4353 |
| Operator Code | -- |
| Owner has at least one certificate | None |
| Other Operator of large aircraft? | No |
| Certified for Part 133 or 137 Operation | -- |
| Operator Certificate Number | -- |
| Indicates whether an air carrier operation was scheduled or not | -- |
| Indicates Domestic or International Flight | -- |
| Operator carrying Pax/Cargo/Mail | -- |
| Type of Flying (Per_Bus / Primary) | Personal |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | BTR |
| Departure City | Baton Rouge |
| Departure State | LA |
| Departure Country | USA |
| Departure Time | 630 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | crash at destination city |
| Destination Airport Code | MAF |
| Destination City | Midland |
| Destination State | TX |
| Destination Country | USA |
| Specific Phase of Flight | -- |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jul 30 2013 11:05AM |
| User who most recently changed record | yeal |
| Since inspection or accident | Time of Accident |
| Event Location Runway Number and Location | 34L |
| Runway Length | 9501 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |