# NTSB CHI83LA147: Cessna 150, N704WN, Oshkosh, WI, March 20, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 20, 1983, 14:34 local (20:34 UTC)
- Place: Oshkosh, WI
- Location: 43.9844° N, 88.5570° W: Placed by OpenAirDocs at WITTMAN RGNL (OSH), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.9844&lon=-88.5570&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12117
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI83LA147
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12117/pdf
- Page: https://openairdocs.org/ntsb/CHI83LA147

## Sequence of events

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

- Dragged wing,rotor,pod,float or tail/skid, taxi - to takeoff
  - weather condition - high wind (contributing factor)
  - weather condition - gusts (contributing factor)
  - weather condition - crosswind (contributing factor)
  - weather condition - tailwind (contributing factor)
  - airport facilities,taxiway condition - icy (contributing factor)
  - planning/decision - improper, pilot in command (cause)
  - lack of total experience, pilot in command (contributing factor)

## Analysis

THE STUDENT PLT WAS ON A SUPERVISED, SOLO, X-COUNTRY FLT FROM MOSINEE, WI, TO OSHKOSH, WI, GREEN BAY, WI, THEN RETURN TO MOSINEE. THE FIRST LEG OF THE FLIGHT WAS FLOWN WITH NO PROBLEM. BEFORE TAKEOFF AT OSHKOSK, THE STUDENT WAS TAXIING SOUTHBOUND WITH A LEFT QUARTING TAIL WIND WHEN HE ENCOUNTERED AN ICY AREA ON THE TAXIWAY. REPORTEDLY, THE CONTROLS WERE POSITIONED PROPERLY FOR THE WIND CONDITIONS. AS THE ACFT CROSSED THE ICY AREA, IT BEGAN TO SLIDE TO THE RIGHT. THE STUDENT REPORTED THAT THE RIGHT MAIN WHEEL HIT PAVEMENT WHICH STOPPED THE SLIDE. HOWEVER, AT THE SAME TIME, THE ACFT BANKED RIGHT & THE RIGHT WING STRUCK THE GROUND. THE STUDENT REPORTED THAT THE WINDS WERE FROM THE NORTHEAST AT 15, GUSTING 20 KTS. THE 1455 CST WIND AT OSHKOSH WAS REPORTED FROM 040 DEG AT 18 KTS.

## Aircraft

- Registration: [N704WN](https://openairdocs.org/aircraft/N704WN), registered now, S/N 15078933, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (registry code 2071830) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 255053-A-48
- Airframe hours: 2209
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Central Wisconsin Aviation
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, May 1, 1982
- Departed: CWA, MOSINEE, WI
- Destination: GRB, GREENBAY, WI
- Flight plan: VFR
- Airport: OSH, Oshkosh, runway 36, 6,700 × 150 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 24; student; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 36 total, 36 in this make and model, 12 as pilot in command, 14 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 40° at 18 knots
- Visibility: 20 statute miles
- Lowest ceiling: 1,900 ft overcast
- Temperature: 10 °F, dew point 10 °F
- Altimeter: 29.00 inHg
- Observed at: OSH

## 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 19830320008609A](https://openairdocs.org/incident/19830320008609A), Mar 20, 1983: Cessna 150M, Oshkosh, WI, Substantial damage. Aircraft was blown sideways on icy runway on taxi for takeoff. Hit a bare spot tipping aircraft up on a wing.

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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