- Date
- July 8, 1989, 19:05 local (Jul 9, 1989, 01:05 UTC)
- Place
- Louisville, CO
- Injuries
- 2 fatal
- Damage
- Destroyed
- Phase of flight
- Maneuvering
- Aircraft
- N6342GCessna 150K
- Weather
- Visual (VMC) · Day
- Status
- Completed · report December 10, 1990
- Report
- Approved by Office Director
- FAA report
- 19890708020869A
- Case key
- 17597
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
Inadequate supervision by the instructor pilot (CFI) and flight in known adverse weather conditions. Factors related to the accident were: inadequate preflight planning/preparation by the CFI, his lack of experience in the type of operation, and the weather conditions.
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
The instructor plt (CFI) had not flown a Cessna 150K before & was on his 1st instructional flt after receipt of his CFI certificate. The student plt had 9 hrs of dual flt time. They depd jeffco arpt (bjc) at 1855 MDT. At 1900 MDT, the bjc wx was in part: 12,000' sct, 14,000' bkn, vis 70 mi, wnd 300 deg at 14 gstg 33 KTS, temp 97 deg, virga in all quads & tstm activity in the area. After depg bjc, the acft was seen on an apparent apch to a large empty parking lot; the apch was then aborted. No eng problem was noted by witnesses; they last saw the acft as it passed over the crest of a hill, dscndg on a northerly hdg. It crashed byd the crest on dscndg trrn & was extensively dmgd. No preimpact part failure or malfunction of the acft or eng was found. There was evidence the acft had enctrd microburst activity. Aprx 15 mi se at stapleton intl arpt, microburst activity was recorded on the low lvl wnd shear alert (llwas) sys. Density altitude was about 9500'.
Aircraft
- Registration
- N6342G
- Reported as
- Cessna 150K
- Category
- Airplane
- Serial number
- 15071842
- Airframe hours
- 8,320
- Engine
- Continental O-200-A, 100 horsepower, reciprocating
- Damage
- Destroyed
- Flight
- Instructional · Part 91
- Registered owner
- Blue Ridge, Inc.
- Airworthiness certificate
- Standard, Utility
- Last inspection
- 100 hour · July 8, 1989 · 4 hours before
- Departed
- BJC · Broomfield, CO
- Airport
- BJC · Jeffco
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
- 30
- Certificates
- Commercial, Flight instructor
- Airplane ratings
- Single-engine land, Multi-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Right
- Toxicology
- Performed
- Flight hours
- 316 total · 220 as pilot in command · 17 in the last 90 days · 16 in the last 30 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 300° at 14 knots, gusting 33
- Visibility
- 70 statute miles
- Lowest ceiling
- 14,000 ft broken
- Temperature
- 97 °F
- Altimeter
- 30.00 inHg
- Observed at
- BJC, 5 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.