MKC89FA197

NTSB accident investigation · Cessna 172N · Hyannis, NE · September 21, 1989

Accident · Serious injuriesField investigationFinal report
Date
September 20, 1989, 20:30 local (Sep 21, 1989, 03:30 UTC)
Place
Hyannis, NE
Injuries
2 serious, 1 minor
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N733FYCessna 172N
Weather
Instrument (IMC) · Night/dark
Status
Completed · report July 29, 1992
Report
Approved by Office Director
FAA report
19890920035609A
Case key
34697

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

Failure of the pilot to maintain sufficient altitude. Darkness and adverse weather conditions were related factors.

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.

In flight collision with terrain/waterDescent
Light condition - dark nightFactor
Weather condition - low ceilingFactor
Weather condition - rainFactor
InitiatedPilot in command
Altitude - not maintainedPilot in commandCause

Analysis

The pilot received a complete weather briefing for his intended route of flight. The briefing included warning advisories affecting his intended route. The pilot filed a VFR flight plan; however, he encountered marginal wx conditions at night with heavy rain. He elected to make a 180 degree turn and land at a nearby airport. He said he leaned forward to look at the magnetic compass, but could not remember anything further about the flight. An investigation revealed the aircraft had descended & collided with the terrain.

Aircraft

Registration
N733FY
Reported as
Cessna 172N
Category
Airplane
Serial number
17268272
Airframe hours
1,898
Engine
Lycoming O-320-H2AD, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Registered owner
Alliance Aero Service Inc.
Airworthiness certificate
Standard, Utility; Standard, Normal
Last inspection
Annual · August 31, 1989 · 47 hours before
Departed
OLU · Columbus, NE
Destination
AIA · Alliance, NE
Flight plan
VFR

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
54
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
2,000 total · 300 in this make and model · 1,523 as pilot in command · 98 in the last 90 days · 33 in the last 30 days · 8 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Night/dark
Wind
340° at 12 knots
Temperature
52 °F, dew point 52 °F
Altimeter
30.00 inHg
Observed at
CDR, 82 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.