# Accident 19990717009579A: Cessna 180, Tower, MN, July 17, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 17, 1999, 19:30 local time
- Place: Tower, MN
- Airport: Vermillion Lake
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 47.8098° N, 92.2894° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=47.8098&lon=-92.2894&mi=10
- Aircraft: N4636B, registered now (https://openairdocs.org/aircraft/N4636B) (OpenAirDocs)
- Registry model: Cessna 180 (registry code 2072602, https://openairdocs.org/model/cessna-180) (OpenAirDocs)
- Registry engine: Continental O-470 series (registry code 17026, https://openairdocs.org/engine/continental-o-470-series) (OpenAirDocs)
- Reported make and model: CESSNA 180
- People aboard: 3
- Fatal injuries: 0
- NTSB investigation: [NTSB CHI99LA259](https://openairdocs.org/ntsb/CHI99LA259) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990717009579A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(TTY) LANDING ON LAKE, ACFT HIT A BOAT. (.19) ON JULY 17, 1999, AT 1930 CENTRAL DAYLIGHT TIME, A CESSNA 180, N4636B, PILOTED BY A PRIVATE PILOT, WAS SUBSTANTIALLY DAMAGED SHORTLY AFTER IT LANDED WHEN IT WAS STRUCK BY A POWER BOAT. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT.  THE 14 CFR PART 91 PERSONAL FLIGHT WAS NOT OPERATING ON A FLIGHT PLAN.  THE PILOT REPORTED NO INJURIES.  THE FLIGHT DEPARTED TOWER, MINNESOTA, EXACT TIME UNKNOWN. ACCORDING TO THE PILOT, HE HAD JUST LANDED THE AIRPLANE ON VERMILLION LAKE.   HE SAID HE DID NOT SEE THE POWER BOAT APPROACHING FROM HIS RIGHT SIDE UNTIL A FEW MOMENTS BEFORE IT STRUCK HIS AIRPLANE'S RIGHT FLOAT.  A WITNESS SAID THE BOAT WAS TRAVELLING ABOUT 40 MILES PER HOUR AS IT ROUNDED A BEND IN THE LAKE AND HEADED TOWARD THE BOAT.  THE WITNESS SAID THE BOAT DID NOT TURN UNTIL A FEW MOMENTS BEFORE THE COLLISION.  THE PILOT SAID HE TRIED TO TURN THE AIRPLANE OUT OF THE BOAT'S PATH.  HE SAID THE AIRPLANE BEGAN A SLOW TURN TO ITS LEFT JUST AS THE  BOAT COLLIDED WITH ITS FLOAT.  THE PILOT ESTIMATED THE BOAT'S SPEED WAS ABOUT 40 TO 50 MILES PER HOUR.                                                                            (-23) DURING LANDING ON LAKE VERMILLION, A/C COLLIDED WITH BOAT. NO INJURIES REPORTED FOR 2 OCCUPANTS IN BOAT.

## The NTSB's investigation of this event (1)

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.

- [NTSB CHI99LA259](https://openairdocs.org/ntsb/CHI99LA259), Jul 18, 1999: Cessna 180 (N4636B), Tower, MN, substantial damage. Probable cause: failure of the operator of the boat to maintain clearance with the floatplane.

## Other reports on N4636B (1)

Matched to the same aircraft by N-number and date.

- [Accident 19910616022399A](https://openairdocs.org/incident/19910616022399A), Jun 16, 1991: Cessna 180 (N4636B), Orr, MN, Substantial damage. Over-corrected in gusty crosswind,pitched down on flare. Floats dug in. Flipped over.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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