CHI98LA021

NTSB accident investigation · Schweizer 269C · Grand Forks, ND · October 15, 1997

Accident · No injuriesLimited investigationFinal report
Date
October 14, 1997, 21:26 local (Oct 15, 1997, 02:26 UTC)
Place
Grand Forks, ND
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N557DCSchweizer 269C
Weather
Visual (VMC) · Night/dark
Status
Completed · report February 2, 1998
Report
Approved by Office Director
FAA report
19971014046019A
Case key
10771

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

the pilot's inadequate preflight planning which resulted in a low fuel state, and his inability to see the wire which the helicopter contacted. Factors associated to the accident were the precautionary landing, the dark night conditions, and the wire which was contacted.

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 objectApproach
Preflight planning/preparation - inadequatePilot in commandCause
Fluid,fuel - low level
Precautionary landing - initiatedPilot in commandFactor
Light condition - dark nightFactor
Object - wire,transmissionFactor
Visual lookout - not possiblePilot in commandCause

Analysis

The pilot stated he knew he was low on fuel during the last leg of a cross country flight. The low fuel light illuminated when he was 9.5 miles from the destination airport. The pilot elected to make a precautionary landing. The light went off during the landing descent. The pilot continued the descent at which time he felt a yaw to the right. Suspecting an engine failure, he initiated a 'hovering autorotation' only to discover he still had engine power. He reported he regained control of the helicopter and continued the landing. It was later determined that the helicopter contacted an electrical wire which ran across a nearby road.

Factual narrative

On October 14, 1997, at 2126 central daylight time, a Schweizer 269C, N557DC, operated by the University of North Dakota, and flown by a private pilot collided with a utility pole while making a precautionary landing in Grand Forks, North Dakota, while on a solo training flight. Visual meteorological conditions prevailed and no flight plan was filed. The helicopter was substantially damaged and the pilot was not injured. The solo instructional flight was operating under 14 CFR Part 91. The flight originated from Park Rapids, Minnesota, at 2000.

The pilot reported the accident occurred on the last leg of a cross country flight. He said he was 9.5 miles from his destination of Grand Forks when the low fuel warning light came on. He reported that he knew he was low on fuel according to the fuel gauge prior to the light coming. He declared an emergency with the Air Traffic Control Facility at Grand Forks, stating that he was going to land close to Highway 81. The pilot reported that the warning light went off as he initiated a descent. He reported that he informed the controller of the situation and that he was still intending on making an off airport landing.

The pilot reported he continued toward the highway looking for a driveway on which to land. He turned the helicopter into the wind and started "descending again at a shallow angle when the aircraft had a sudden yaw to the right." He reported that he suspected an engine failure so he initiated a hovering autorotation. When he pulled the collective, he heard the engine "rev-up" and the helicopter climbed. He realized he still had engine power so he "got control of the aircraft and landed it." It was after the landing that a local resident informed the pilot that he contacted an electrical wire which ran across the nearby road.

Aircraft

Registration
N557DC
Reported as
Schweizer 269C
Category
Helicopter
Serial number
S-1630
Airframe hours
1,840
Engine
Lycoming IO-360-D1A, 190 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Registered owner
University Of North Dakota
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · September 3, 1997 · 86 hours before
Departed
PKD · Park Rapids, MN
Destination
GFK

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
24
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
219 total · 101 in this make and model · 105 as pilot in command · 61 in the last 90 days · 11 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/dark
Wind
180° at 6 knots
Visibility
10 statute miles
Lowest ceiling
5,000 ft broken
Temperature
43 °F, dew point 36 °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.

Other investigations on N557DC · 1

Matched to the same aircraft by N-number and date.