# NTSB DEN84LA270: Weatherly 201B, N1268W, Grand Forks, ND, August 27, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 27, 1984, 13:20 local (19:20 UTC)
- Place: Grand Forks, ND
- Coordinates: 47.910034, -97.070785 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.9100&lon=-97.0708&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16471
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA270
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16471/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA270

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, takeoff - initial climb
  - engine assembly,cylinder - failure,total
  - maintenance,compliance with ad - not performed, company/operator management (cause)
- Forced landing, descent - emergency
- Complete gear collapsed, landing - roll
  - terrain condition - rough/uneven (contributing factor)
  - landing gear - overload

## Analysis

DURING INITIAL TAKEOFF CLIMB AT AN ALT OF APRX 100 FT AGL, ENGINE BEGAN MISSING. UNABLE TO MAINTAIN ALT, FORCED LANDING WAS MADE IN A PLOWED FIELD DURING WHICH LANDING GEAR WAS TORN FROM THE ACFT. INSPECTION REVEALED #5 CYLINDER HEAD SEPARATED FROM THE BARREL. AIRWORTHINESS DIRECTIVE (AD-78-08-07) WHICH INVOLVES ULTRASONIC INSPECTION OF THE CYLINDERS FOR CRACKS HAD NOT BEEN COMPLIED WITH.

## Aircraft

- Registration: [N1268W](https://openairdocs.org/deregistered/N1268W-2012-06-07), registration cancelled 2012-06-07, S/N 622, built 1974 (OpenAirDocs)
- Reported make and model: WEATHERLY 201B
- Registry model: [Weatherly 201B](https://openairdocs.org/model/weatherly-201b) (registry code 9630408) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 622
- Airframe hours: 2472
- Engines: P&W R-985 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Woods Flying Service
- Airworthiness certificate: Special, Special flight (Special)
- Last inspection: Annual, May 25, 1984, 224 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 34; flight instructor, commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 1,349 total, 248 in this make and model, 1,227 as pilot in command, 248 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 4 knots
- Visibility: 12 statute miles
- Lowest ceiling: 8,000 ft overcast
- Temperature: 90 °F, dew point 54 °F
- Observed at: GFK

## 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 19840827043659A](https://openairdocs.org/incident/19840827043659A), Aug 27, 1984: Wthrly 201B, Grand Forks, ND, Substantial damage. Emergency landing in field. Cylinder failed. Airworthiness directive issued in 1978 not complied with.

## Other investigations on N1268W (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 FTW92LA101](https://openairdocs.org/ntsb/FTW92LA101), Mar 30, 1992: Weatherly 201B (N1268W), Weatherford, OK, substantial damage. Probable cause: FUEL STARVATION DUE TO A MECHANICAL FAILURE OF THE FUEL SELECTOR. A FACTOR WAS THE LACK OF SUITABLE TERRAIN.

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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