# NTSB NYC84LA221: Cessna 206, N555HM, Montauk, NY, June 25, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 25, 1984
- Place: Montauk, NY
- Coordinates: 41.039527, -71.940864 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.0395&lon=-71.9409&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35693
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC84LA221
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35693/pdf
- Page: https://openairdocs.org/ntsb/NYC84LA221

## Sequence of events

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

- Loss of control - in flight, landing - flare/touchdown
  - flare - improper, pilot in command (cause)
  - total, pilot in command (cause)
  - flight controls - improper use of, pilot in command (cause)
  - stall/mush - not corrected, pilot in command (cause)
- Nose over, landing - roll
  - terrain condition - water,glassy (contributing factor)

## Analysis

THE ACFT NOSED OVER AND SANK DURING A WATER LANDING. THE FLOAT PLANE HAD APPROACHED NOSE HIGH AND UPON INITIAL TOUCHDOWNON THE LAKE THE ACFT SKIPPED/BOUNCED. ACCORDING TO A WITNESS IT APPEARED THAT THE PLT WAS TRYING TO EXTEND HIS TOUCHDOWNPOINT. WHEN THE ACFT TOUCHED DOWN A 2ND TIME THE FLOATS LANDED SQUARE BUT THE RIGHT WING DIPPED, THE ACFT CARTWHEELED AND SANK. IT WAS DETERMINED AFTER THE ACCIDENT THAT THE ACFT LANDING GEAR WAS UP. AN INSPECTION OF THE LANDING AREA WAS MADE AND NOTHING OUT OF THE ORDINARY COULD BE FOUND.

## Aircraft

- Registration: N555HM (not matched to a registry record)
- Reported make and model: CESSNA 206
- Category: Airplane
- Serial number: U20606784
- Airframe hours: 112
- Engines: CONTINENTAL TISO-520-M 310 horsepower reciprocating
- Damage: Substantial damage
- Flight: Positioning, Part 91
- Operator: Shoreline Aviation,Inc.
- Registered owner: Cessna Aircraft Co.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 21, 1984, 11 hours before
- Departed: MAD, MADISON, CT
- Destination: MONTAUK LAKE, NY

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 25; commercial; airplane ratings: single-engine sea, multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 1,738 total, 83 in this make and model, 1,525 as pilot in command, 143 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 230° at 4 knots
- Visibility: 5 statute miles
- Lowest ceiling: 1,200 ft overcast
- Temperature: 66 °F, dew point 63 °F
- Altimeter: 29.00 inHg

## 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 19840625048289A](https://openairdocs.org/incident/19840625048289A), Jun 25, 1984: Cessna TU206G, Montauk, NY, Substantial damage. Began to dutch roll during leveloff for a water landing. A wing and float dug in. Aircraft cartwheeled to inverted.

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.