# NTSB NYC90LA177: Robinson R22HP, N9030Z, Shirley, NY, July 29, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 29, 1990, 08:10 local (12:10 UTC)
- Place: Shirley, NY
- Coordinates: 40.790325, -72.869415 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.7903&lon=-72.8694&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 9, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 36703
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC90LA177
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/36703/pdf
- Page: https://openairdocs.org/ntsb/NYC90LA177

## Probable cause

IMPROPER USE OF THE FLIGHT CONTROLS BY THE STUDENT PILOT.

## Sequence of events

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

- Loss of control - in flight, hover
  - flight controls - improper use of, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE STUDENT PILOT WAS MAKING HIS FIRST SUPERVISED SOLO. AFTER APPROXIMATELY 7 MINUTES OF HOVERING, THE PILOT ATTEMPTED TO CORRECT FOR A SLIGHT TURN TO THE RIGHT. THE HELICOPTER MADE AT LEAST 2 RAPID 360 DEGREE TURNS TO THE RIGHT AND SETTLED ON THE REAR OF THE RIGHT SKID, ROLLING OVER ON THE RIGHT SIDE. NO EVIDENCE OF A PRE EXISTING FAILURE OR MALFUNCTION WAS NOTED WITH THE FLIGHT CONTROLS.

## Aircraft

- Registration: [N9030Z](https://openairdocs.org/deregistered/N9030Z-1993-05-14), registration cancelled 1993-05-14, S/N 0059 (OpenAirDocs)
- Reported make and model: ROBINSON R22HP
- Registry model: [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22) (registry code 7640102) (OpenAirDocs)
- Category: Helicopter
- Serial number: 0059
- Airframe hours: 5617
- Engines: LYCOMING O-320-B2C 124 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Suffolk Helicopters
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, July 8, 1990, 49 hours before
- Departed: ISP, ISLIP, NY
- Airport: HWV, Brookhaven

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; student; medical: class 3, valid medical--w/ waivers/lim; seat: right; flight hours: 73 total, 73 in this make and model, 17 in the last 90 days, 7 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 50° at 6 knots
- Visibility: 5 statute miles
- Lowest ceiling: 3,000 ft broken
- Temperature: 77 °F, dew point 64 °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 (OpenAirDocs).

- [Accident 19900729029079A](https://openairdocs.org/incident/19900729029079A), Jul 29, 1990: Robsin R22, Shirley, NY, Substantial damage. During hover helicopter made two 360 degree turns lost control hit ground sideways and rolled over.

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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