# NTSB ANC84LA115: Cessna U-206, N3910G, Naknek, AK, July 14, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 14, 1984, 14:30 local (22:30 UTC)
- Place: Naknek, AK
- Coordinates: 58.799335, -156.900802 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=58.7993&lon=-156.9008&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 office: Alaska Regional Office
- NTSB case key (mKey): 4323
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA115
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4323/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA115

## Sequence of events

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

- Nose gear collapsed, landing - roll
  - landing gear,nose gear assembly - overload (contributing factor)
  - terrain condition - soft (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
  - terrain condition - sand bar (contributing factor)
  - ground loop/swerve - uncontrolled, pilot in command (cause)
- Nose over, landing - roll

## Analysis

THE ACFT NOSED OVER DURING A LANDING ON A SANDY BEACH. WITNESSES STATED, ACCORDING TO THE PLT, THAT THE NOSE WHEEL WAS COCKED 45 DEGREES TO THE RIGHT WHILE THE ACFT WAS ON THE FINAL APPROACH. UPON TOUCHDOWN THE ACFT VEERED TO THE RIGHT, THE NOSE GEAR COLLAPSED AND THE ACFT NOSED OVER.

## Aircraft

- Registration: [N3910G](https://openairdocs.org/deregistered/N3910G-2014-10-06), registration cancelled 2014-10-06, S/N U206-0910, built 1967 (OpenAirDocs)
- Reported make and model: CESSNA U-206
- Registry model: [Cessna U206B](https://openairdocs.org/model/cessna-u206b) (registry code 2073322) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: U2060910
- Airframe hours: 3600
- Engines: CONTINENTAL IO-520F 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Stanley E Allen
- Registered owner: Stanley E. Allen
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 11, 1983, 40 hours before
- Departed: AKN, KING SALMON, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 751 total, 100 in this make and model, 575 as pilot in command, 94 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 140° at 5 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 64 °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 19840714035569A](https://openairdocs.org/incident/19840714035569A), Jul 14, 1984: Cessna U206B, Naknek, AK, Substantial damage. Pilot reported nose wheel at 90 degree angle on touchdown. Aircraft swerved and nosed over on collapse of nose gear

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.