# NTSB SEA82DA095: Cessna U206, N8320Q, Juneau, AK, June 24, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: June 24, 1982, 14:30 local (21:30 UTC)
- Place: Juneau, AK
- Coordinates: 58.580795, -134.769973 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=58.5808&lon=-134.7700&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed, report June 24, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 71211
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA82DA095
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/71211/pdf
- Page: https://openairdocs.org/ntsb/SEA82DA095

## Sequence of events

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

- In flight collision with object, climb - to cruise
  - in-flight planning/decision - improper, pilot in command (contributing factor)
  - weather condition - high density altitude (contributing factor)
  - powerplant controls - improper use of, pilot in command (cause)
  - raising of flaps - premature, pilot in command (cause)
  - weather condition - downdraft (contributing factor)
  - terrain condition - mountainous/hilly (contributing factor)
  - terrain condition - high terrain (contributing factor)
  - object - tree(s) (contributing factor)

## Analysis

THE FLOAT EQUIPPED AIRCRAFT CRASHED INTO TREES AFTER TAKING OFF FROM SAMONN CREEK RESERVOIR WHILE DEPARTING WITH OVERNIGHT CAMPERS. THE RESERVOIR WAS LOCATED IN A STEEP WALLED CANYON. THE PILOT REPORTED THAT HE TOOK OFF HEADING NORTH INTO THE CANYON, RAISED THE FLAPS, AND REDUCED THE POWER TO 2500 RPM AND 25 INCHES MANIFOLD PRESSURE. HE REPORTED THAT HE KEPT THE NOSE LOWERED TO GAIN AIRSPEED, BUT ENCOUNTERED A DOWNDRAFT, SHORTLY AFTER TAKEOFF, WHILE MAKING A LEFT TURN. THE AIRCRAFT SETTLED INTO TREES ALONG THE SHORE.

## Aircraft

- Registration: N8320Q (not matched to a registry record)
- Reported make and model: CESSNA U206
- Category: Airplane
- Serial number: U2060381
- Airframe hours: 1800
- Engines: CONTINENTAL IO-520F 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: William R. Petaja
- Registered owner: William R. Petaja
- Departed: JUNEAU, AK
- Destination: UNU, JUNEAU, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; commercial; airplane ratings: multi-engine sea, single-engine sea, multi-engine land, single-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 8,040 total, 1,510 in this make and model, 8,040 as pilot in command, 40 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 350° at 5 knots
- Visibility: 20 statute miles
- Temperature: 158 °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 19820624025089A](https://openairdocs.org/incident/19820624025089A), Jun 24, 1982: Cessna U206, Juneau, AK, Substantial damage. Encountered a down draft on climbing turn out after departing a lake. Floats torn off as aircraft settled in trees.

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.