# NTSB CHI86FEM12: Robinson R-22HP, N83595, Grayling, MI, July 25, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 25, 1986, 16:45 local (20:45 UTC)
- Place: Grayling, MI
- Coordinates: 44.650642, -84.700645 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.6506&lon=-84.7006&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13305
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86FEM12
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13305/pdf
- Page: https://openairdocs.org/ntsb/CHI86FEM12

## Sequence of events

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

- In flight collision with object, cruise - normal
  - weather condition - low ceiling (contributing factor)
  - weather condition - rain (contributing factor)
  - weather evaluation - inaccurate, pilot in command (contributing factor)
  - object - wire,static (contributing factor)
  - judgment - poor, pilot in command (cause)
  - visual lookout - not maintained, pilot in command (cause)
- Forced landing, descent - emergency
  - autorotation - performed, pilot in command

## Analysis

THE HELICOPTER, DURING CRUISE FLIGHT, WAS FLYING LOW IN AN ATTEMPT TO REMAIN CLEAR OF CLOUDS WHEN IT STRUCK A POWER LINE AND WAS FORCED TO MAKE AN EMERGENCY LANDING. THE HELICOPTER RECEIVED SUBSTANTIAL DAMAGED WHEN IT STRUCK THE POWER LINE AND REPORTEDLY RECEIVED NO FURTHER DAMAGE UPON LANDING.

## Aircraft

- Registration: [N83595](https://openairdocs.org/deregistered/N83595-2017-03-21), registration cancelled 2017-03-21, S/N 0303, built 1982 (OpenAirDocs)
- Reported make and model: ROBINSON R-22HP
- Registry model: [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22) (registry code 7640102) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 0303
- Airframe hours: 137
- Engines: LYCOMING O-320-B2C 124 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Edward J. Dore Co.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 15, 1986, 6 hours before
- Departed: ORCHARD LAKE, MI
- Destination: 55D, GRAYLING, MI

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; commercial; airplane ratings: single-engine sea, multi-engine sea, single-engine land, multi-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: right; flight hours: 2,500 total, 150 in this make and model, 15 in the last 90 days, 2 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 15 knots
- Visibility: 3 statute miles
- Lowest ceiling: 2,500 ft overcast
- Temperature: 63 °F, dew point 61 °F
- Altimeter: 29.00 inHg
- Observed at: HTL, 11 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 (OpenAirDocs).

- [Accident 19860725035269A](https://openairdocs.org/incident/19860725035269A), Jul 25, 1986: Robsin R22, Grayling, MI, Substantial damage. The helicopter struck powerlines while operating at low altitude. The pilot reported he was flying under clouds.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.