Individually Owned: 150,657
Corporate Owned: 137,281
Palmdale Airport
Aircraft Accident/Incident Report
Palmdale, California 93550
Tuesady, August 4, 1987 12:19 PDT
NTSB Narrative Summary Released at Completion of Accident
A DEHAVILLAND DHC-6, N931MA, OPERATING AS TRANSWORLD EXPRESS FLT 7591 (TWE 7591) & A CESSNA 172N, N737EV, COLLIDED ABT 10 MILES WEST/SOUTHWEST OF PALMDALE, CA AT ABT 5500 FT MSL. TWE 7591 WAS DESCENDING ON A 355 DEG MAG HEADING; N737EV WAS LEVEL AND WAS MAINTAINING A 060 DEG MAG HEADING. THE CAPT ABOARD TWE 7591 WAS FLYING THE AIRPLANE & THE FIRST OFFICER OBSVD N737EV JUST PRIOR TO IMPACT AND TOOK THE CONTROLS AND EXECUTED AN ABRUPT RIGHT TURN; THE CAPT THEN CONTINUED THE DESCENDING RIGHT TURN BUT TO NO AVAIL - THE AIRPLANE'S LEFT WING COLLIDED WITH N737EV. THE PLT OF N737EV REPORTED THAT HE DID NOT SEE TWE 7591 UNTIL THE COLLISION. THE CONVERGENCE ANGLE OF 7591 WAS 53 DEG AND 62 DEG FOR 737EV. BOTH AIRPLANES LANDED SAFELY - TWE 7591 LANDED AT WILLIAM J. FOX ARPT, LANCASTER, CA. & N737EV LANDED AT PALMDALE ARPT.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 8/4/1987 |
| Event Day of the Week | Tuesday |
| Time of Event | 1219 |
| Event Time Zone | Pacific Daylight Time |
| Event City | PALMDALE |
| Event State | CALIFORNIA |
| Event Country | -- |
| Zipcode of the event site | 93550 |
| Event Date Year | 1987 |
| Event Date Month | 8 |
| MidAir Collision Indicator | Yes |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | PALMDALE |
| Event Location Nearest Airport ID | PMD |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | 0 |
| Airport Elevation | 2543 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1223 Pacific Daylight Time |
| Direction of event from weather observation facility (degrees) | 355 |
| Weather Observation Facility ID | WJF |
| Elevation of weather observation facility | 2347 |
| Distance of event from weather observation facility (units?) | 9 |
| Time Zone of the weather observation | PDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 10000 |
| 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) | 40 |
| Air Temperature at event time (in degrees celsius) | -- |
| Dew Point at event time (in degress fahrenheit) | -- |
| Wind Direction (degrees magnetic) | 290 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 4 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | -- |
| 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 | 11 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2606 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Aug 4 1987 12:00AM |
| NTSB Notification Time | 1300 |
| Fiche Number and/or location -used to find docket information | 37667 |
| Date of most recent change to record | Dec 13 2000 2:43PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
||
|---|---|---|
Aircraft #1 |
Aircraft #2 |
|
| Aircraft Registration Number | N931MA | N737EV |
| NTSB Number | LAX87FA290A | LAX87FA290B |
| Missing Aircraft Indicator | N | N |
| Federal Aviation Reg. Part | Part 135: Air Taxi & Commuter | Part 91: General Aviation |
| Type of Flight Plan filed | Company VFR | VFR |
| Flight plan Was Activated? | -- | -- |
| Damage | Substantial | Substantial |
| Aircraft Fire | None | None |
| Aircraft Explosion | None | None |
| Aircraft Manufacturer's Full Name | de Havilland | CESSNA |
| Aircraft Model | DHC-6 | 172N |
| Aircraft Series Identifier | DHC-6 | 172N |
| Aircraft Serial Number | 169 | 17269369 |
| Certified Max Gross Weight | 11000 | 2300 |
| Aircraft Category | Airplane | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No | No |
| Flight Crew Seats | -- | -- |
| Cabin Crew Seats | -- | -- |
| Passenger Seats | -- | -- |
| Total number of seats on the aircraft | 14 | 4 |
| Number of Engines | 2 | 1 |
| Fixed gear or retractable gear | Fixed | Fixed |
| Aircraft, Type of Last Inspection | Continuous Airworthiness | 100 Hour |
| Date of Last Inspection | Jul 29 1987 12:00AM | Jul 3 1987 12:00AM |
| Airframe hours since last inspection | 31 | 18 |
| Airframe Hours | 30907 | 889 |
| ELT Installed | Yes | Yes |
| ELT Activated | Yes | Yes |
| ELT Aided Location of Event Site | No | No |
| ELT Type | -- | -- |
| Aircraft Owner Name | JIM SLEMONS IMPORT INC, | TREFETHEN, M. W. & GRAY, P. T. |
| Aircraft Owner Street Address | 1301 QUAIL | 1732 RICE ROAD |
| Aircraft Owner City | NEWPORT BEACH | OJAI |
| Aircraft Owner State | CA | CA |
| Aircraft Owner Country | ||
| Aircraft Owner Zipcode | 92660 | 93023 |
| Operator is an individual? | -- | -- |
| Operator Name | RESORT COMMUTER INC. | VENCO PACIFIC AVIATION |
| Operator Same as Owner? | No | No |
| Operator Is Doing Business As | -- | -- |
| Operator Address Same as Owner? | No | No |
| Operator Street Address | 3100 AIRWAY SUITE 107 | 1801 W. 5TH STREET |
| Operator City | COSTA MESA | OXNARD |
| Operator State | CA | CA |
| Operator Country | ||
| Operator Zip code | 92626 | 93030 |
| Operator Code | ||
| Owner has at least one certificate | Yes - certificate holder | Yes - certificate holder |
| Other Operator of large aircraft? | No | No |
| Certified for Part 133 or 137 Operation | Unknown | Unknown |
| 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) | Unknown | Personal |
| Second Pilot on Board | Yes | No |
| Departure Point Same as Event | No | No |
| Departure Airport Code | LAX | OXR |
| Departure City | LOS ANGELES | OXNARD |
| Departure State | CA | CA |
| Departure Country | ||
| Departure Time | 1155 | 1145 |
| Departure Time Zone | PDT | PDT |
| Destination Same as Local Flt | -- | -- |
| Destination Airport Code | WJF | LAS |
| Destination City | LANCASTER | LAS VEGAS |
| Destination State | CA | NV |
| Destination Country | ||
| Specific Phase of Flight | Descent | Cruise |
| Report sent to ICAO? | -- | -- |
| Evacuation occurred | -- | -- |
| Date of most recent change to record | Jan 2 2001 10:30AM | Jan 2 2001 10:35AM |
| User who most recently changed record | dbo | dbo |
| Since inspection or accident | -- | -- |
| Event Location Runway Number and Location | 6 | 7 |
| Runway Length | 5001 | 12002 |
| Runway Width | 150 | 150 |
| Sight Seeing flight | No | No |
| Air Medical Flight | No | No |
| Medical Flight | -- | -- |