NYC89FA032

NTSB accident investigation · Mooney M20K · Holden, MA · November 16, 1988

Accident · FatalField investigationFinal report
Date
November 16, 1988, 18:50 local (23:50 UTC)
Place
Holden, MA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N1170ZMooney M20K
Weather
Instrument (IMC) · Night/dark
Status
Completed · report June 25, 1990
Report
Approved by Office Director
FAA report
19881116050979A
Case key
36258

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

Inflight loss of control due to spatial disorientation and contact with trees prior to regaining control after the pilot experienced an unknown problem with the autopilot. Contributing was the lack of recent night experience.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Altitude deviation,uncontrolledClimb - to cruise
Autopilot/flight director - undeterminedFactor
Maintenance,inspection - not performed
Loss of control - in flightClimb - to cruise
Weather condition - cloudsFactor
Weather condition - fogFactor
Light condition - dark nightFactor
Spatial disorientationPilot in commandCause
Lack of recent experiencePilot in commandFactor
In flight collision with terrain/waterDescent - uncontrolled
Object - tree(s)

Analysis

The acft made a night instrument departure with a maximum assigned altitude of 4,000 ft. the plt failed to follow his departure instructions concerning routing. He climbed to 4,600 ft and when queried, said he was having autopilot problems. A few minutes later, the acft disappeared from radar. The acft impacted a line of trees at a high speed and was extensively broken up. The wreckage was scattered over 450 ft. the autopilot problem was not identified due to the extent of impact damage; however, no problem was noted with the airframe or engine. The plt was current with instruments, but not for night flight. The acft pitot static system and transponder were both out of inspection.

Aircraft

Registration
N1170Z
Reported as
Mooney M20K
Category
Airplane
Serial number
25-0704
Airframe hours
1,783
Engine
Continental TSIO-360-LB1, 210 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Jules L. Levine
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 5, 1988
Departed
ORH · Worcester, MA
Destination
BDR · Bridgeport, CT
Flight plan
IFR

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
55
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Toxicology
Performed
Flight hours
623 total · 206 in this make and model · 467 as pilot in command · 31 in the last 90 days · 10 in the last 30 days

Weather

Conditions
Instrument (IMC) · Night/dark
Wind
180° at 7 knots
Visibility
7 statute miles
Lowest ceiling
600 ft overcast
Temperature
52 °F, dew point 48 °F
Altimeter
30.00 inHg
Observed at
ORH, 6 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.