# NTSB SEA83LA104: Cessna 180, N4728B, Klamath Falls, OR, May 21, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 21, 1983, 12:00 local (19:00 UTC)
- Place: Klamath Falls, OR
- Coordinates: 45.440368, -122.959762 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.4404&lon=-122.9598&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39695
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA83LA104
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39695/pdf
- Page: https://openairdocs.org/ntsb/SEA83LA104

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - weather condition - tailwind (contributing factor)
  - weather condition - gusts (contributing factor)
  - compensation for wind conditions - improper, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - inadvertent, pilot in command (cause)
- Main gear collapsed, landing - roll
  - landing gear,main gear - overload (contributing factor)

## Analysis

ACCORDING TO THE PLT, HE ENCOUNTERED A GUST WHILE LANDING ON RWY 14 WITH A QUARTERING TAIL WIND, THEN LOST DIRECTIONAL CONTROL. SUBSEQUENTLY, THE ACFT DEPARTED THE LEFT SIDE OF THE RWY & THE LEFT GEAR COLLAPSED. THE TOWER CONTROL REPORTED THAT THE WIND WAS FROM 320 DEG AT 4 KTS.

## Aircraft

- Registration: [N4728B](https://openairdocs.org/aircraft/N4728B), registered now, S/N 31626, built 1955 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180](https://openairdocs.org/model/cessna-180) (registry code 2072602) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 31626
- Airframe hours: 2300
- Engines: CONTINENTAL O-470-J 225 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Eugene J. Waibel
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 1, 1982, 200 hours before
- Departed: 4SD, RENO, NE
- Destination: LMT, KLAMATH FALLS, OR
- Flight plan: VFR
- Airport: LMT, Kingsley, runway 14, 10,301 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 705 total, 585 in this make and model, 701 as pilot in command, 16 in the last 90 days, 8 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 320° at 4 knots
- Visibility: 14 statute miles
- Lowest ceiling: none
- Temperature: 72 °F, dew point 27 °F
- Altimeter: 30.00 inHg
- Observed at: RDM, 130 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 19830521020459A](https://openairdocs.org/incident/19830521020459A), May 21, 1983: Cessna 180, Klamath Falls, OR, Substantial damage. Pilot lost directional control of aircraft during landing with a quartering tailwind.

## Other investigations on N4728B (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 OAK71DVM34](https://openairdocs.org/ntsb/OAK71DVM34), Nov 20, 1970: Cessna 180 (N4728B), Hollister, CA, 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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