# NTSB MKC84FA256: Cessna 170B, N516PC, Oskaloosa, IA, August 17, 1984

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: August 17, 1984, 17:50 local (22:50 UTC)
- Place: Oskaloosa, IA
- Coordinates: 41.290161, -92.630836 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.2902&lon=-92.6308&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 33549
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC84FA256
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33549/pdf
- Page: https://openairdocs.org/ntsb/MKC84FA256

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - altitude - inadequate, pilot in command (contributing factor)
  - pull-up - excessive, pilot in command (cause)
  - airspeed(vso) - not maintained, pilot in command (cause)
  - stall/spin - inadvertent, pilot in command
  - remedial action - not possible, pilot in command (contributing factor)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

SEVERAL WITNESSES VIEWED THE ACFT CIRCLING OVER A BEAN FIELD AT AN ALT OF 200 TO 300 FT AGL. THE PLT AND PAX WERE REPORTEDLY LOOKING FOR A RADIO-CONTROLLED AIRPLANE LOST IN THE FIELD. WITNESSES CONTINUED TO STATE AN INCREASE OF POWER OCCURRED AND THE ACFT BEGAN A CLIMBING LEFT TURN DURING WHICH THE LEFT WING DROPPED AND THE ACFT ENTERED A SPIN. THE ACFT CRASHED IN THE BEAN FIELD 1/8 MILE NE OF THE OSKALOOSA APRT.

## Aircraft

- Registration: [N516PC](https://openairdocs.org/deregistered/N516PC-1984-10-11), registration cancelled 1984-10-11, S/N 20514 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Category: Airplane
- Serial number: 20514
- Airframe hours: 2169
- Engines: LYCOMING O-360-A1A 180 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Registered owner: Mohaska Bottling Company
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 16, 1984

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; commercial, airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 5,445 total, 230 in this make and model, 5,395 as pilot in command, 72 in the last 90 days, 25 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 40° at 6 knots
- Visibility: 4 statute miles
- Lowest ceiling: 8,000 ft overcast

## 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 19840817041209A](https://openairdocs.org/incident/19840817041209A), Aug 17, 1984: Cessna 170B, Oskaloosa, IA, Destroyed, 1 fatal. Stalled and entered a spin while circling in a steep bank at a low altitude. While searching for a model airplane.

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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