# NTSB ANC86LA132: Piper PA-20, N7481K, Two Lakes, AK, August 20, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 20, 1986, 10:30 local (18:30 UTC)
- Place: Two Lakes, AK
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4719
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA132
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4719/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA132

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - weather condition - gusts (cause)
  - wind information - not understood, pilot in command (cause)
  - weather condition - unfavorable wind (cause)
  - aircraft handling - improper, pilot in command (cause)
  - airspeed - not maintained, pilot in command (cause)
- In flight collision with object, takeoff - initial climb

## Analysis

THE PILOT LOST CONTROL OF THE AIRCRAFT ON THE INITIAL CLIMB.THE PILOT STATED THAT AFTER TAKEOFF THE WIND SHIFTED 180 DEGREES.

## Aircraft

- Registration: [N7481K](https://openairdocs.org/aircraft/N7481K), registered now, S/N 20-396, built 1950 (OpenAirDocs)
- Reported make and model: PIPER PA-20
- Registry model: [Piper PA-20-135](https://openairdocs.org/model/piper-pa-20-135) (registry code 7102010) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 20396
- Airframe hours: 3718
- Engines: LYCOMING O-320 SERIES 130 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Ted W. Greene
- Airworthiness certificate: Standard, Normal
- Last inspection: Unknown, June 4, 1986, 30 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 56; private; airplane ratings: single-engine land, single-engine sea; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 2,317 total, 2,248 in this make and model, 2,378 as pilot in command, 146 in the last 90 days, 70 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 50 °F, dew point 30 °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 19860820044399A](https://openairdocs.org/incident/19860820044399A), Aug 20, 1986: Piper STCPA20, Two Lakes, AK, Substantial damage. Lost airspeed and control during a downwind water takeoff. Impacted ground in wooded area.

## Other investigations on N7481K (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 SEA77DYP20](https://openairdocs.org/ntsb/SEA77DYP20), Mar 28, 1977: Piper PA-20 (N7481K), Moses Lake, WA, substantial damage

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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