# NTSB MKC84FCD01: Cessna A188B, N84494, Hesper, IA, July 18, 1984

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Final report
- Date: July 18, 1984, 18:22 local (23:22 UTC)
- Place: Hesper, IA
- Coordinates: 43.300716, -91.789276 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.3007&lon=-91.7893&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 33560
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC84FCD01
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33560/pdf
- Page: https://openairdocs.org/ntsb/MKC84FCD01

## Sequence of events

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

- In flight collision with object, maneuvering - aerial application
  - visual lookout - inadequate, pilot in command (cause)
  - clearance - not maintained, pilot in command (cause)
  - maneuver - improper, pilot in command (cause)
  - object - wire,transmission (contributing factor)
- In flight collision with terrain/water, maneuvering - aerial application

## Analysis

THE ACFT CRASHED AFTER COLLIDING WITH A POWER LINE. DURING THE FIRST SPRAY PASS THE PLT ATTEMPTED TO FLY UNDER THE POWER LINE. THE VERITCAL FIN HIT THE WIRE AND THE ACFT CRASHED. THERE WERE NO MECHANICAL PROBLEMS WITH THE ACFT DURING THIS AERIAL APPLICATION FLT.

## Aircraft

- Registration: [N84494](https://openairdocs.org/deregistered/N84494-2013-05-15), registration cancelled 2013-05-15, S/N 18801987T (OpenAirDocs)
- Reported make and model: CESSNA A188B
- Registry model: [Cessna A188B](https://openairdocs.org/model/cessna-a188b) (registry code 2073005) (OpenAirDocs)
- Category: Airplane
- Serial number: 18801987T
- Airframe hours: 1583
- Engines: CONTINENTAL IO-520-D-23 300 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Operator: Kenneth D. Lockrem, doing business as Bauer Spray Service
- Registered owner: Bauer Spray Service
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: 100 hour, June 30, 1984, 67 hours before
- Departed: CJJ, CRESCO, IA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 3,255 total, 2,200 in this make and model, 3,200 as pilot in command, 123 in the last 90 days, 80 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 240° at 7 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 75 °F, dew point 54 °F
- Altimeter: 30.00 inHg
- Observed at: LSE, 34 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 19840718033259A](https://openairdocs.org/incident/19840718033259A), Jul 18, 1984: Cessna A188B, Hesper, IA, Destroyed. Aircraft hit powerline during first swath run.

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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