# NTSB SEA83FA186: Cessna 150F, N7751F, Bellingham, WA, August 27, 1983

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Field investigation · Final report
- Date: August 27, 1983, 13:40 local (20:40 UTC)
- Place: Bellingham, WA
- Coordinates: 48.729389, -122.479232 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=48.7294&lon=-122.4792&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39627
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA83FA186
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39627/pdf
- Page: https://openairdocs.org/ntsb/SEA83FA186

## Sequence of events

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

- In flight collision with object, maneuvering
  - low pass - performed, pilot in command (contributing factor)
  - object - wire,transmission (contributing factor)
  - visual lookout - inadequate, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PLT & PASSENGER DEPARTED ON A LOCAL SIGHT-SEEING FLT. WHILE FLYING LOW OVER THE NARROW PART OF LAKE SAMISH, THE ACFTCOLLIDED WITH A POWER LINE, THEN CRASHED IN THE WATER. THE POWER LINES WERE 129 FT ABOVE THE WATER AT THE LOWEST POINT.

## Aircraft

- Registration: [N7751F](https://openairdocs.org/deregistered/N7751F-2013-05-09), registration cancelled 2013-05-09, S/N 15063851, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 150F
- Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15063851
- Airframe hours: 4081
- Engines: LYCOMING O-320-E3D 150 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Fredrick E. Knutsen
- Airworthiness certificate: Standard, Normal
- Last inspection: Unknown, March 20, 1981, 115 hours before
- Departed: MT. VERNON, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; commercial; airplane ratings: single-engine sea, single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 1,005 total, 50 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 5 knots
- Visibility: 10 statute miles
- Lowest ceiling: 12,000 ft broken
- Temperature: 70 °F, dew point 54 °F
- Altimeter: 29.00 inHg
- Observed at: BLI, 7 nm away

## 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 19830827059219A](https://openairdocs.org/incident/19830827059219A), Aug 27, 1983: Cessna 150F, Lake Samish, WA, Destroyed. Struck wires and crashed while flying low over a lake. Aircrafts registration and data plate changed illegally.

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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