DEN92LA027

NTSB accident investigation · Cessna 172P · Englewood, CO · January 27, 1992

Accident · No injuriesLimited investigationFinal report
Date
January 27, 1992, 13:47 local (20:47 UTC)
Place
Englewood, CO
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N52872Cessna 172P
Weather
Visual (VMC) · Day
Status
Completed · report September 2, 1994
Report
Approved by Office Director
FAA report
19920127001109A
Case key
18192

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

The NTSB’s determination of the probable cause, and any contributing factors.

A loss of control due to the pilot's failure to follow proper soft field takeoff procedures by flying out of ground effect at an inadequate airspeed. A factor was the pilot's improper use of flaps.

Analysis

The CFI was demonstrating a soft field takeoff. After lift-off the airplane settled back to the runway, then became airborne again. Control was lost, and the airplane settled into terrain adjacent to the runway. No discrepancies were found during the wreckage examination. The left flap was found deployed to about 10 deg due to impact damage, and the follow-up cable was slack. The remainder of the flap system was intact. This is consistent with flaps being in the up position at impact. Flaps are electrically driven through a jack screw to the right flap. The left flap is driven by a follow-up cable through the right flap jack screw; therefore the left flap cannot be driven to a position to which the right flap is not driven. The right flap was found in the up position. The recommended flap setting for a short field takeoff is 10 deg. According to the FAA flight training handbook, during soft field takeoff the airplane can become airborne at an airspeed below safe climb speed due to the action of ground effect.

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.

Loss of control - in flightTakeoff - initial climb
Terrain condition - snow covered
Lift-off - improperPilot in command(cfi)Cause
Flight controls - improper use ofPilot in command(cfi)Factor

Aircraft

Registration
N52872
Reported as
Cessna 172P
Category
Airplane
Serial number
17274625
Engine
Lycoming O-320-D2J, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
P.C. Flyers, Inc.
Registered owner
Lawrence D. Ramsdell
Airworthiness certificate
Standard, Utility; Standard, Normal
Last inspection
100 hour · January 2, 2000 · 37 hours before
Airport
APA · Centennia, runway 17, 10,000 × 100 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
44
Certificates
Flight engineer, Flight instructor, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
1,510 total · 800 in this make and model · 1,323 as pilot in command · 38 in the last 90 days · 6 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
10° at 4 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
39 °F, dew point 28 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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