# NTSB SEA91LA135: Robinson R-22B, N202PR, Corvallis, OR, June 17, 1991

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 17, 1991, 09:30 local (16:30 UTC)
- Place: Corvallis, OR
- Coordinates: 44.460407, -123.34037 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.4604&lon=-123.3404&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 13, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 41453
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA91LA135
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41453/pdf
- Page: https://openairdocs.org/ntsb/SEA91LA135

## Probable cause

THE STUDENT PILOT'S OVERCONFIDENCE IN HIS PERSONAL ABILITY AND INADQUATE REMEDIAL ACTION.  CONTRIBUTING TO THE ACCIDENT WAS HIS DECISION TO ATTEMPT A SOLO AUTOROATION.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Hard landing, landing
  - autorotation - improper use of, pilot in command (contributing factor)
  - overconfidence in personal ability, pilot in command (cause)
  - remedial action - inadequate, pilot in command (cause)

## Analysis

THE STUDENT PILOT ATTEMPTED AN UNAUTHORIZED SOLO PRACTICE AUTOROTATION TO A POWER RECOVERY, AND THE TAIL ROTOR STRUCK THE GROUND DURING THE LANDING.

## Aircraft

- Registration: [N202PR](https://openairdocs.org/deregistered/N202PR-2013-04-15), registration cancelled 2013-04-15, S/N 1031, built 1989 (OpenAirDocs)
- Reported make and model: ROBINSON R-22B
- Registry model: [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta) (registry code 7640110) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 1031
- Engines: LYCOMING O-320-B2C 131 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Pacific Rim Aviation
- Registered owner: Pacific Rim Aviation
- Flight plan: Company VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 19; student; medical: class 2, valid medical--w/ waivers/lim; flight hours: 45 total, 45 in this make and model, 11 as pilot in command, 45 in the last 90 days, 39 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 8 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: -0 °F, dew point -0 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19910617022209A](https://openairdocs.org/incident/19910617022209A), Jun 17, 1991: Robsin R22BETA, Corvallis, OR, Substantial damage. Student practicing unauthorized autorotations allowed tail rotor strike and hard landing.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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