- Date
- January 12, 1992, 16:15 local (21:15 UTC)
- Place
- West Palm Beach, FL
- Injuries
- 5 uninjured
- Damage
- Substantial damage
- Phase of flight
- Approach
- Aircraft
- N4188SBeech 58
- Weather
- Visual (VMC) · Day
- Status
- Completed · report August 13, 1993
- Report
- Approved by Office Director
- FAA report
- 19920112001909A
- Case key
- 33054
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
Partial failure of the landing gear motor which caused internal damage to the landing gear retract motor and gearbox assy.
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.
Analysis
After arriving in the traffic pattern of the destination arpt, the plt lowered the landing gear selector handle but the gear did not extend. The flt departed the pattern & attempts to lower the gear via the emergency method were unsuccessful. The flt diverted to a larger arpt where a gear up landing occurred. The landing gear retract motor & gearbox assy was removed from the acft & disassembly revealed that the worm sector gear repeatedly contacted the sector gear stop. Also, two half rings which secure the bearing to the worm actuating shaft sheared. This allowed the worm gear actuator to travel toward the motor. As a result, the hand crank engaging shaft would not contact the worm gear actuator. According to a mechanic, this was due to a worn landing gear motor which would drive the gear but would render the dynamic braking action inoperative. The up-limit switch was tested & found to operate normally.
Aircraft
- Registration
- N4188S
- Reported as
- Beech 58
- Category
- Airplane
- Serial number
- TH-620
- Airframe hours
- 5,192
- Engine
- Continental IO-520C, 285 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Beco Aviation, Inc.
- Registered owner
- Beco Aviation, Inc.
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · December 2, 1991 · 150 hours before
- Departed
- MYAM · Marsh Harbour, OF
- Destination
- FPR · Fort Pierce, FL
- Flight plan
- IFR
- Airport
- PBI · Palm Beach International, runway 13, 6,930 × 150 ft, asphalt
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
- 36
- Certificates
- Airline transport, Commercial
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 4,500 total · 2,000 in this make and model · 4,000 as pilot in command · 167 in the last 90 days · 53 in the last 30 days · 6 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 160° at 10 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- 73 °F, dew point 57 °F
- Altimeter
- 30.00 inHg
- Observed at
- PBI, 1 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.