# NTSB NYC83LA145: Cessna 172M, N6901H, Block Island, RI, June 5, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 5, 1983, 11:30 local (15:30 UTC)
- Place: Block Island, RI
- Location: 41.1681° N, 71.5778° W: Placed by OpenAirDocs at BLOCK ISLAND STATE (BID), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.1681&lon=-71.5778&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35204
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC83LA145
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35204/pdf
- Page: https://openairdocs.org/ntsb/NYC83LA145

## Sequence of events

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

- Overrun, landing - roll
  - landing gear,normal brake system - failure,total (cause)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - high vegetation (contributing factor)

## Analysis

THE PLT REPORTED THAT DURING A LANDING, THE BRAKES FAILED & HE WAS UNABLE TO STOP ON THE RWY. THE ACFT RAN OFF THE END & CAME TO REST IN BUSHES WITH SUBSTANTIAL DAMAGE. ACCORDING TO THE PLT, THE OUTBOARD PRESSURE PLATE & LINING HAD SEPARATED FROM EACH BRAKE. REPORTEDLY, THE BRAKES HAD BEEN WORKING NORMALLY UNTIL THEY FAILED.

## Aircraft

- Registration: [N6901H](https://openairdocs.org/aircraft/N6901H), registered now, S/N 17265637 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Airframe hours: 2588
- Engines: LYCOMING O-320 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Willis N. Brown, Jr.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 13, 1983, 89 hours before
- Departed: GON, GROTON, CT
- Destination: BID, BLOCK ISLAND, RI
- Airport: BID, Block Island, runway 10, 2,500 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 15,600 total, 388 in this make and model, 333 as pilot in command, 12 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 4 statute miles
- Temperature: 70 °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 19830605027019A](https://openairdocs.org/incident/19830605027019A), Jun 5, 1983: Cessna 172M, Block Island, RI, Substantial damage. Brakes failed on landing. Ran off end of runway into bushes. Brake pressure plates and pucks separated both wheels.

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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