# NTSB NYC86LA177: Grumman AA-1B, N2NH, Marston Mills, MA, July 10, 1986

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: July 10, 1986, 12:15 local (16:15 UTC)
- Place: Marston Mills, MA
- Location: 41.6853° N, 70.4022° W: Placed by OpenAirDocs at CAPE COD (2B1), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6853&lon=-70.4022&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 30380
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC86LA177
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30380/pdf
- Page: https://openairdocs.org/ntsb/NYC86LA177

## Sequence of events

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

- In flight collision with object, takeoff - initial climb
  - clearance - not attained, pilot in command (cause)
- Loss of control - on ground/water, takeoff - initial climb
  - directional control - not maintained, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PILOT FAILED TO CLEAR TREES ON THE LEFT SIDE OF THE RUNWAY ON DEPARTURE, AND CRASHED TO THE GROUND. THE PLT FAILED TO FILE AND ACC REPORT AND HIS FLT TIME RECORDS WERE NOT AVAILABLE.

## Aircraft

- Registration: [N2NH](https://openairdocs.org/deregistered/N2NH-2013-07-30), registration cancelled 2013-07-30, S/N AA1B-0527, built 1975 (OpenAirDocs)
- Reported make and model: GRUMMAN AA-1B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: AA1B0527
- Engines: LYCOMING O-235C2C 108 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Leland U.Clough
- Registered owner: Leland U. Clough
- Airworthiness certificate: Standard, Normal
- Airport: 2B1, Marston Mills

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; medical: unknown, unknown

## Weather

- Conditions: Visual (VMC), Day

## 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 19860710031859A](https://openairdocs.org/incident/19860710031859A), Jul 10, 1986: Gulstm AA1B, Marston Mills, MA, Substantial damage. Lost directional control on initial climb and hit a tree adjacent to the runway. Aircraft hit ground out of control

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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