Aircraft Incident/Accident Report


Teterboro, New Jersey 07608
Wednesday, January 20, 1988 7:15 EST

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NTSB Narrative Summary Released at Completion of Accident
THE MU-2 MADE A DEPARTURE AND WHILE CLIMBING THROUGH APPROXIMATELY 800 FT AGL, THERE WAS AN INADVERTENT AUTO-PILOT ENGAGEMENT. THE NOSE PITCHED DOWN AND RIGHT. BOTH PILOTS GOT ON THE CONTROLS AND CONTROL WAS MAINTAINED. A NORMAL LANDING WAS MADE AT THE POINT OF DEPARTURE. THE FLIGHT CREW DID NOT USE STANDARD AUTO-PILOT DISENGAGEMENT PROCEDURES.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
Type of EventIncident 
Event Date1/20/1988 
Event Day of the WeekWednesday 
Time of Event715 
Event Time ZoneEastern Standard Time 
Event CityTETERBORO  
Event StateNEW JERSEY 
Event Country-- 
Zipcode of the event site07608  
Event Date Year1988 
Event Date Month
MidAir Collision IndicatorNo 
On Ground Collision occurred ?No 
Event Location Latitude  
Event Location Longitude  
Event Location Airport  
Event Location Nearest Airport ID  
Indicates whether the acc/inc occurred off or on an airportOff Airport/Airstrip 
Distance from airport in statute miles
Degrees magnetic from airport
Airport Elevation-- 
Weather Briefing CompletenessUnknown 
Investigator's weather sourcePilot 
Time of the weather observation700 Eastern Standard Time 
Direction of event from weather observation facility (degrees)
Weather Observation Facility IDTEB  
Elevation of weather observation facility
Distance of event from weather observation facility (units?)
Time Zone of the weather observationEST 
Lighting ConditionsDay 
Lowest Ceiling Height1300 
Lowest Non-Ceiling Height
Sky/Lowest/Cloud ConditionsUnknown 
Sky Condition for Lowest CeilingOvercast 
Visibility Runway Visual Range (Feet)
Visibility Runway Visual Value (Statute Miles)
Visibility (Statute Miles)
Air Temperature at event time (in degrees celsius)
Dew Point at event time (in degress fahrenheit)-- 
Wind Direction (degrees magnetic)250 
Variable Wind IndicatorUnknown 
Wind Speed (knots)
Wind Velocity Indicator Unknown 
Wind Gust IndicatorUnknown 
Wind Gust (knots)
Altimeter Setting at event time (in. Hg) 30 
Density Altitude (feet)-- 
Intensity of PrecipitationModerate 
METAR weather report -- 
Event Highest InjuryNone 
On Ground, Fatal Injuries
On Ground, Minor Injuries
On Ground, Serious Injuries
Injury Total Fatal-- 
Injury Total Minor-- 
Injury Total None
Injury Total Serious-- 
Injury Total All-- 
Investigating AgencyNTSB 
NTSB Docket Number (internal use)5025 
NTSB Notification Source-- 
NTSB Notification DateJan 20 1988 12:00AM 
NTSB Notification Time1330 
Fiche Number and/or location -used to find docket information36923 
Date of most recent change to recordDec 13 2000 11:30AM 
User who most recently changed recorddbo  
Basic weather conditionsInstrument Meteorological Cond 
FAA District Office-- 
Aircraft Involved
Aircraft #1
Aircraft Registration NumberN349MA 
NTSB NumberNYC88IA067  
Missing Aircraft Indicator
Federal Aviation Reg. PartPart 135: Air Taxi & Commuter 
Type of Flight Plan filedIFR 
Flight plan Was Activated?-- 
DamageNone 
Aircraft FireNone 
Aircraft ExplosionNone 
Aircraft Manufacturer's Full NameMITSUBISHI  
Aircraft ModelMU-2B-35  
Aircraft Series IdentifierMU-2B-35  
Aircraft Serial Number31667985054  
Certified Max Gross Weight10500 
Aircraft CategoryAirplane 
Aircraft Registration ClassU.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
Number of Engines
Fixed gear or retractable gearRetractable 
Aircraft, Type of Last Inspection100 Hour 
Date of Last InspectionJan 10 1988 12:00AM 
Airframe hours since last inspection-- 
Airframe Hours-- 
ELT InstalledYes 
ELT ActivatedNo 
ELT Aided Location of Event SiteNo 
ELT Type-- 
Aircraft Owner NameEPPS AIR SERVICE  
Aircraft Owner Street AddressPEACHTREE DEKALB AIRPORT  
Aircraft Owner CityATLANTA  
Aircraft Owner StateGA 
Aircraft Owner Country  
Aircraft Owner Zipcode30341  
Operator is an individual?-- 
Operator NameEPPS AIR  
Operator Same as Owner?No 
Operator Is Doing Business As-- 
Operator Address Same as Owner?No 
Operator Street AddressDEKALB-PEACHTREE  
Operator CityATLANTA  
Operator StateGA 
Operator Country  
Operator Zip code30341  
Operator CodeEPSL 
Owner has at least one certificateYes - certificate holder 
Other Operator of large aircraft?No 
Certified for Part 133 or 137 OperationUnknown 
Operator Certificate Number-- 
Indicates whether an air carrier operation was scheduled or notNon-scheduled 
Indicates Domestic or International FlightDomestic 
Operator carrying Pax/Cargo/MailCargo 
Type of Flying (Per_Bus / Primary)Unknown 
Second Pilot on BoardYes 
Departure Point Same as EventYes 
Departure Airport CodeTEB  
Departure CityTETERBORO  
Departure StateNJ 
Departure Country  
Departure Time715 
Departure Time ZoneEST 
Destination Same as Local Fltdest & departure same, accident can occur anywhere 
Destination Airport CodePNE  
Destination CityNO.PHILADELPHIA 
Destination StatePA 
Destination Country  
Specific Phase of FlightClimb 
Report sent to ICAO?-- 
Evacuation occurred-- 
Date of most recent change to recordJan 2 2001 10:30AM 
User who most recently changed recorddbo  
Since inspection or accident-- 
Event Location Runway Number and Location0  
Runway Length-- 
Runway Width-- 
Sight Seeing flightNo 
Air Medical FlightNo 
Medical Flight--