- Date
- July 23, 1992, 15:15 local (21:15 UTC)
- Place
- Manville, WY
- Injuries
- 4 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N560CMAero Commander 560-F
- Weather
- Visual (VMC) · Day
- Status
- Completed · report June 11, 1993
- Report
- Approved by Office Director
- FAA report
- 19920723026849A
- Case key
- 18154
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
A loss of control following flight into weather conditions containing thunderstorms, turbulence and icing conditions. Factors were: inaccurate weather evaluation and flight into known adverse weather by the pilot in command.
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
During a cross country business flight, which was filed and flown under instrument flight rules, the pilot and controller had numerous communications regarding routing and weather, and the aircraft was circumnavigating weather areas. The pilot reported entering what his stormscope showed as a 'clear' area after encountering rain and moderate turbulence at temperatures conducive to structural icing. The controller noted a 1,000 foot loss of altitude from the assigned cruise altitude of 17,000 feet, followed by a loss of altitude readout. Shortly thereafter the aircraft disappeared from the controller's radar scope. The wreckage was found near the last radar fix. The airplane impacted in a near vertical descent.
Aircraft
- Registration
- N560CM
- Reported as
- Aero Commander 560-F
- Category
- Airplane
- Serial number
- 1311-61
- Airframe hours
- 4,538
- Engine
- Lycoming OIG-540-B1A, 350 horsepower, reciprocating
- Damage
- Destroyed
- Flight
- Business · Part 91
- Operator
- Mclaughlin Construction Co.
- Registered owner
- Mclaughlin Construction Co.
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · July 5, 1991 · 111 hours before
- Departed
- SLC · Salt Lake City, UT
- Destination
- PCZ · Waupaca, WI
- 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
- 41
- Certificates
- Commercial, Flight instructor
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Toxicology
- Performed
- Flight hours
- 2,195 total · 158 in this make and model · 2,041 as pilot in command · 30 in the last 90 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 230° at 12 knots, gusting 24
- Visibility
- 50 statute miles
- Lowest ceiling
- 25,000 ft broken
- Temperature
- 82 °F, dew point 43 °F
- Altimeter
- 29.00 inHg
- Observed at
- CPR, 80 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.