CHI07CA299

NTSB accident investigation · Schweizer 300 CBI · Minneapolis, MN · September 13, 2007

Accident · No injuriesData collectionFinal report
Date
September 13, 2007, 15:58 local (20:58 UTC)
Place
Minneapolis, MN
Injuries
2 uninjured
Damage
Destroyed
Phase of flight
Landing
Aircraft
N269HBSchweizer 300 CBI
Weather
Visual (VMC) · Day
Status
Completed · report October 31, 2007
Report
Approved by Office Director
Parties
Minneapolis FSDO
FAA report
20070913021859A
Case key
66808

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 dual student's improper flare during the simulated autorotation, and the flight instructor's delayed remedial action.

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.

Hard landingLanding - flare/touchdown
Autorotation - simulatedFlightcrew
Flare - improperDual studentCause
Remedial action - delayedPilot in command(cfi)Cause
Terrain condition - ground

Analysis

The helicopter was damaged during an attempted simulated autorotation with power recovery. The flight instructor and the student pilot were on an instructional flight to practice straight and level, normal approaches and simulated forced landings. The instructor reported that the student completed two successful approaches and one successful autorotation with power recovery. The instructor stated that on the last autorotation the student maintained speed and initiated the flare and held it until the instructor felt the aircraft was too low to hold. The instructor reported taking the controls and pushing the cyclic forward at the same time as the student pilot began to push forward. The instructor reported feeling the impact of the tail rotor and boom, then the aircraft yawed to the right. The instructor stated that the throttle was already closed to idle so the instructor "held the cyclic for a level attitude and prepared to cushion the landing with the collective. [The helicopter] spun around approximately another 390 degrees to the right before the helicopter impacted the runway on the skids collapsing the left side of the landing gear."

Factual narrative

The helicopter was damaged during an attempted simulated autorotation with power recovery. The flight instructor and the student pilot were on an instructional flight to practice straight and level, normal approaches and simulated forced landings. The instructor reported that the student completed two successful approaches and one successful autorotation with power recovery. The instructor stated that on the last autorotation the student maintained speed and initiated the flare and held it until the instructor felt the aircraft was too low to hold. The instructor reported taking the controls and pushing the cyclic forward at the same time as the student pilot began to push forward. The instructor reported feeling the impact of the tail rotor and boom, then the aircraft yawed to the right. The instructor stated that the throttle was already closed to idle so the instructor "held the cyclic for a level attitude and prepared to cushion the landing with the collective. [The helicopter] spun around approximately another 390 degrees to the right before the helicopter impacted the runway on the skids collapsing the left side of the landing gear."

Aircraft

Registration
N269HB
Reported as
Schweizer 300 CBI
Category
Helicopter
Serial number
0166
Airframe hours
2,177.7
Engine
Lycoming HIO-360-GIA, 180 horsepower, reciprocating
Damage
Destroyed
Flight
Instructional · Part 91
Operator
Hummingbird Aviation
Registered owner
WestStar Ventures, LLC
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · July 1, 2007
Departed
KFCM · Minneapolis, MN
Destination
KLVN · Minneapolis, MN
Airport
KLVN · Air Lake Airport, runway 30, 4,098 × 75 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 · 2

As NTSB recorded them. NTSB leaves out names.

Role
Flight instructor
Age
43
Injuries
None
Certificates
Flight instructor, Commercial
Instrument ratings
Helicopter
Medical
Class 2, Without waivers/limitations
Last flight review
October 1, 2006
Seat
Left
Flight hours
703 total · 666 in this make and model · 631 as pilot in command · 239 in the last 90 days · 95 in the last 30 days · 4 in the last 24 hours
Role
Student pilot
Age
28
Injuries
None
Certificate
Private
Medical
Class 2, Without waivers/limitations
Last flight review
September 1, 2006
Seat
Right
Flight hours
103 total · 80 in this make and model · 48 as pilot in command · 20 in the last 90 days · 6 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
280° at 15 knots, gusting 23
Visibility
10 statute miles
Lowest ceiling
None
Temperature
61 °F, dew point 39 °F
Altimeter
29.87 inHg
Observed at
KFCM, 15 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.