# NTSB NYC86LA186: Mooney M20F, N7040V, West Milford, NJ, July 21, 1986

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: July 21, 1986, 10:35 local (14:35 UTC)
- Place: West Milford, NJ
- Location: 41.1284° N, 74.3465° W: Placed by OpenAirDocs at GREENWOOD LAKE (4N1), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.1284&lon=-74.3465&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 30385
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC86LA186
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30385/pdf
- Page: https://openairdocs.org/ntsb/NYC86LA186

## Sequence of events

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

- In flight collision with terrain/water, go-around (vfr)
  - aborted landing
  - go-around - delayed, pilot in command (cause)
  - airspeed - inadequate, pilot in command (cause)
  - terrain condition - mountainous/hilly (contributing factor)
  - terrain condition - rising (contributing factor)
  - clearance - not attained, pilot in command (cause)

## Analysis

DRG THE LANDING ROLL, THE PLT BELIEVED THERE WAS INSUFFICIENT BRAKING, SO HE INITIATED A GO-AROUND. HE RPRTD THAT ON CLIMB-OUT, THE TAIL OF THE ACFT IMPACTED A 'HILL.'  THE ACFT THEN CRASHED NOSE DOWN & WAS DESTROYED. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND.

## Aircraft

- Registration: [N7040V](https://openairdocs.org/deregistered/N7040V-1989-03-16), registration cancelled 1989-03-16, S/N 221387 (OpenAirDocs)
- Reported make and model: MOONEY M20F
- Registry model: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-1387
- Airframe hours: 3872
- Engines: LYCOMING IO-360-AIA 200 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Willoughby Flying Club, Inc.
- Airworthiness certificate: Standard, Normal
- Departed: LNN, WILLOUGHBY, OH
- Flight plan: IFR
- Airport: 4N1, Greenwood Lake, runway 24, 2,750 × 52 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 58; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; flight hours: 3,855 total, 40 in this make and model, 3,690 as pilot in command, 24 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 30° at 3 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 75 °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 19860721034249A](https://openairdocs.org/incident/19860721034249A), Jul 21, 1986: Mooney M20F, West Milford, NJ, Destroyed. The tail struck a hill during go around and the aircraft stalled. Pilot reported no brakes led to go around.

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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