# NTSB NYC86LA038: Gensen B8M, N291PR, Mars, PA, November 19, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 19, 1985, 14:15 local (19:15 UTC)
- Place: Mars, PA
- Coordinates: 40.690494, -80.010734 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.6905&lon=-80.0107&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 30267
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC86LA038
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30267/pdf
- Page: https://openairdocs.org/ntsb/NYC86LA038

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - stall/mush - not corrected, pilot in command (cause)
  - inadequate training, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PLT REPORTED THAT AFTER CLIMBING TO AN ALT OF APRX 200 FT AFTER TAKEOFF, THE AIRSPEED DROPPED FROM 50 TO 40 MPH. THE ACFT THEN LOST ALT AND MUSHED TO GROUND IMPACT. THE PLT DID NOT HOLD A MEDICAL OR STUDENT PLT CERTIFICATE.

## Aircraft

- Registration: N291PR (not matched to a registry record)
- Reported make and model: GENSEN B8M
- Category: Gyroplane, amateur-built
- Serial number: 2911
- Airframe hours: 147
- Engines: McCulloch UNK 72 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Richard L. Parks
- Airworthiness certificate: Special, Experimental (Special)
- Airport: PA06, Lakehill

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; seat: front

## Weather

- Conditions: Visual (VMC), Day
- Wind: 230° at 12 knots, gusting 18
- Visibility: 12 statute miles
- Temperature: 75 °F, dew point 54 °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 19851119059679A](https://openairdocs.org/incident/19851119059679A), Nov 19, 1985: Amtr B8M, Mars, PA, Substantial damage. (.4)The plt reported that after climbing to an alt of aprx 200 ft after takeoff, the airspeed dropped from 50 to 40 mph. The acft then lost alt and mushed to…

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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