Individually Owned: 150,657
Corporate Owned: 137,281
Orlando Sandford Intl Airport
Aircraft Accident/Incident Report
Sanford, Florida 32773
Thursday, March 29, 2007 16:16 EDT
NTSB Narrative Summary Released at Completion of Accident
The flight crew (FC) was in cruise flight when a master caution light illuminated indicating a loss of the right hydraulic system pressure and hydraulic fluid. The FC used the checklist to trouble shoot the system and attempted to manually extend the main and nose landing gear (NLG) using the alternate extension control lever. Both main gear extended and locked into place; however the NLG did not extend. The airplane was landed with the NLG in the retracted position. Initial inspection of the airplane revealed that a B-nut to the check valve on the rudder power hydraulic shut off valve, was separated from the valve resulting in a total loss of right hydraulic quantity and pressure. Examination of the hydraulic tube, including the B-nut and check valve, did not reveal any abnormalities. Examination of the cockpit revealed the landing gear handle was in the stowed position. A placard on the alternate landing gear extension lever stated, "Pull up forcibly Full Stroke." The airplane was placed on jacks and maintenance personnel successfully extended the nose landing gear. The alternate gear extension control system was also inspected and no defects were noted.
NTSB Probable Cause Narrative
The flight crew's failure to complete the checklist and adhere to airplane placards. Contributing to the accident was a separation of a B-nut on the rudder power hydraulic shut off valve for undetermined reasons.
Event Information
| Type of Event | Accident |
| Event Date | 3/29/2007 |
| Event Day of the Week | Thursday |
| Time of Event | 1616 |
| Event Time Zone | Eastern Daylight Time |
| Event City | Sanford |
| Event State | FLORIDA |
| Event Country | -- |
| Zipcode of the event site | 32773 |
| Event Date Year | 2007 |
| Event Date Month | 3 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | 284606N |
| Event Location Longitude | 0811415W |
| Event Location Airport | Orlando Sandford Intl Airport |
| Event Location Nearest Airport ID | SFB |
| Indicates whether the acc/inc occurred off or on an airport | -- |
| Distance from airport in statute miles | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | 55 |
| Weather Briefing Completeness | -- |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1628 Eastern Daylight Time |
| Direction of event from weather observation facility (degrees) | -- |
| Weather Observation Facility ID | SFB |
| Elevation of weather observation facility | 55 |
| Distance of event from weather observation facility (units?) | -- |
| Time Zone of the weather observation | EDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | -- |
| Lowest Non-Ceiling Height | 4500 |
| Sky/Lowest/Cloud Conditions | Few |
| 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) | 27 |
| Dew Point at event time (in degress fahrenheit) | 13 |
| Wind Direction (degrees magnetic) | 70 |
| Variable Wind Indicator | Wind direction could be determined |
| Wind Speed (knots) | 16 |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | Gusting |
| Wind Gust (knots) | 21 |
| Altimeter Setting at event time (in. Hg) | 30.14 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | -- |
| METAR weather report | -- |
| Event Highest Injury | Minor |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | -- |
| Injury Total Minor | 1 |
| Injury Total None | 156 |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 24272 |
| NTSB Notification Source | FAA Atlanta Comm Center |
| NTSB Notification Date | Mar 29 2007 12:00AM |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | DMS |
| Date of most recent change to record | Sep 26 2008 6:40PM |
| User who most recently changed record | NTSB\lema |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | Orlando FSDO-15 |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N877GA |
| NTSB Number | MIA07LA068 |
| 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 | McDonnell Douglas |
| Aircraft Model | DC-9-83 (MD-83) |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | 53467 |
| Certified Max Gross Weight | 139500 |
| 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 | 157 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Continuous Airworthiness |
| Date of Last Inspection | Mar 1 2007 12:00AM |
| Airframe hours since last inspection | 976 |
| Airframe Hours | 22139 |
| ELT Installed | No |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | Boeing Aircraft Holding Company |
| Aircraft Owner Street Address | 1901 Oakesdale Avenue SW Bldg 25-25 |
| Aircraft Owner City | Renton |
| Aircraft Owner State | WA |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 98055 |
| Operator is an individual? | No |
| Operator Name | Allegiant Air LLC |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 3301 N Buffalo Drive, Suite B9 |
| Operator City | Las Vegas |
| Operator State | NV |
| Operator Country | USA |
| Operator Zip code | 88129 |
| Operator Code | WXOA |
| 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 | PSM |
| Departure City | Portsmouth |
| Departure State | NH |
| Departure Country | USA |
| Departure Time | 1255 |
| Departure Time Zone | EDT |
| Destination Same as Local Flt | crash at destination city |
| Destination Airport Code | SFB |
| Destination City | Sanford |
| Destination State | FL |
| Destination Country | USA |
| Specific Phase of Flight | Landing |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Sep 8 2008 7:07PM |
| User who most recently changed record | MUZD |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 9L |
| Runway Length | 9600 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |