# NTSB ANC84LA138: Cessna U206, N4660U, Iliamna, AK, August 17, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: August 16, 1984, 17:35 local (Aug 17, 1984, 01:35 UTC)
- Place: Iliamna, AK
- Coordinates: 59.850894, -154.559127 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=59.8509&lon=-154.5591&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4339
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA138
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4339/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA138

## Sequence of events

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

- Nose over, landing - flare/touchdown
  - relinquishing of control - improper, pilot in command (contributing factor)
  - company-induced pressure, company/operator management (contributing factor)
  - flare - inadequate, copilot/second pilot (cause)
  - lack of recent experience in type of aircraft, copilot/second pilot (contributing factor)
  - elevator - improper use of, copilot/second pilot (cause)
  - airport facilities,runway/landing area condition - water,glassy

## Analysis

PLT HAD DELIVERED NEW FLOAT PLANE. OWNER REQUESTED A DEMO FLT AS PILOT AT CONTROLS. PILOT IN COMMAND PERMITTED THIS DESPITE KNOWLEDGE THAT OWNER HAD NO FLOAT PLANE EXPERIENCE. TAKEOFF AND PATTERN CIRCUIT WERE NORMAL. LANDING FLARE APPEARED SLIGHTLY NOSE LOW TO PIC, BUT ACCEPTABLE. ON TOUCHDOWN, OWNER FAILED TO HOLD BACK PRESSURE ON ELEVATOR AS FLOATS 'DUG IN.' ACFT PITCHED FORWARD AND NOSED OVER.

## Aircraft

- Registration: N4660U (not matched to a registry record)
- Reported make and model: CESSNA U206
- Category: Airplane
- Serial number: U20605036
- Airframe hours: 629
- Engines: CONTINENTAL IO-520-F-9 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Rene Frohlich
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 1, 1984, 120 hours before
- Departed: ILIAMNA, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 53; commercial; airplane ratings: single-engine land, single-engine sea; medical: class 2, expired; seat: left; flight hours: 12,000 total, 270 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 90° at 7 knots
- Visibility: 60 statute miles
- Lowest ceiling: none
- Temperature: 61 °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 19840816073429A](https://openairdocs.org/incident/19840816073429A), Aug 16, 1984: Cessna U206G, Iliamna, AK, Substantial damage. Pilot allowed owner to land aircraft, struck water and nosed in water.

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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