Individually Owned: 150,657
Corporate Owned: 137,281
Sioux City Municipal Airport
Aircraft Accident/Incident Report
Sioux City, Iowa 51102
Monday, August 8, 1983 15:20 CDT
NTSB Narrative Summary Released at Completion of Accident
THE PLT STATED THAT THE LANDING GEAR SWITCH WAS DOWN WHEN HE STARTED THA TAKEOFF ROLL. WHEN THE ACFT HAD ACCELERATED TO APRX 50 MPH DURING THE TAKEOFF ROLL, THE LANDING GEAR RETRACTED/COLLAPSED, NOSE WHEEL FIRST, FOLLOWED BY THE MAIN GEAR. THE PLT STATED THAT AFTER THE ACFT SLID TO A STOP, HE MOVED THE LANDING GEAR SWITCH FROM THE 'DOWN' TO THE 'UP' POSITION BEFORE HE DEPARTED THE ACFT. MAINTENANCE PERSONNEL WHO WERE AT THE ACFT IMMEDIATELY AFTER THE MISHAP, CONFIRMED THAT THE LANDING GEAR SWITCH WAS IN THE 'UP' POSITION WHEN THEY ARRIVED. AN INSPECTION OF THE LANDING GEAR & GEAR WARNING SYSTEMS REVEALED NO EVIDENCE OF A PRE-ACCIDENT MALFUNCTION. THE GEAR WARNING HORN SOUNDED WHEN CHECKED WITH THE SQUAT SWITCH OPEN. THE PLT STATED THAT HE DID NOT HEAR A HORN DURING THE TAKEOFF SEQUENCE. ALSO, THE PLT NOTED THAT THE FLAP SWITCH WAS IN THE 'DOWN' POSITION, WHEN HE ARRIVED AT THE ACFT, BUT THE FLAPS WERE IN THE RETRACTED POSITION. HE BELIEVED SOMEONE HAD PUT THE FLAP SWITCH DOWN AFTER THE MASTER SWITCH WAS OFF.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 8/8/1983 |
| Event Day of the Week | Monday |
| Time of Event | 1520 |
| Event Time Zone | Central Daylight Time |
| Event City | SIOUX CITY |
| Event State | IOWA |
| Event Country | -- |
| Zipcode of the event site | 51102 |
| Event Date Year | 1983 |
| Event Date Month | 8 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | SIOUX CITY MUNICIPAL |
| Event Location Nearest Airport ID | SUX |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | 0 |
| Airport Elevation | 1098 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1526 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | SUX |
| Elevation of weather observation facility | 1098 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | CDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 25000 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 20 |
| Air Temperature at event time (in degrees celsius) | 34 |
| Dew Point at event time (in degress fahrenheit) | 19 |
| Wind Direction (degrees magnetic) | 80 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 5 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | 3000 |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 1 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1002 |
| NTSB Notification Source | -- |
| NTSB Notification Date | -- |
| NTSB Notification Time | 0 |
| Fiche Number and/or location -used to find docket information | 21310 |
| Date of most recent change to record | Jan 2 2001 9:15AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N555M |
| NTSB Number | MKC83LA183 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | BEECH |
| Aircraft Model | M35 |
| Aircraft Series Identifier | M35 |
| Aircraft Serial Number | D6216 |
| Certified Max Gross Weight | 2950 |
| 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 | 4 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | 100 Hour |
| Date of Last Inspection | Apr 26 1983 12:00AM |
| Airframe hours since last inspection | 78 |
| Airframe Hours | 4119 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | FREDRICK MERSCH |
| Aircraft Owner Street Address | 15 TIMBER LANE |
| Aircraft Owner City | SIOUX CITY |
| Aircraft Owner State | IA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 51108 |
| Operator is an individual? | -- |
| Operator Name | AIRWAYS SERVICE INC. |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 6121 PERSHING |
| Operator City | SIOUX CITY |
| Operator State | IA |
| Operator Country | |
| Operator Zip code | |
| Operator Code | |
| Owner has at least one certificate | Yes - certificate holder |
| Other Operator of large aircraft? | No |
| Certified for Part 133 or 137 Operation | Unknown |
| 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) | Business |
| Second Pilot on Board | No |
| Departure Point Same as Event | Yes |
| Departure Airport Code | |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 1519 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | RBE |
| Destination City | BASSETT |
| Destination State | NE |
| Destination Country | |
| Specific Phase of Flight | Takeoff |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:36AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 22 |
| Runway Length | 6888 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |