# NTSB MKC84LA047: Cessna 172A, N7229T, Hospers, IA, December 29, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 29, 1983, 11:40 local (17:40 UTC)
- Place: Hospers, IA
- Coordinates: 43.070034, -95.900016 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.0700&lon=-95.9000&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 33609
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC84LA047
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33609/pdf
- Page: https://openairdocs.org/ntsb/MKC84LA047

## Sequence of events

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

- Loss of engine power, cruise
  - reason for occurrence undetermined (cause)
- Forced landing, landing - flare/touchdown
- Nose over, landing
  - terrain condition - snow covered (contributing factor)

## Analysis

THE PLT SAID HE WAS ON A POWER LINE PATROL FLT & WAS FLYING APRX 60 TO 80 FT AGL. REPORTEDLY, HE APPLIED CARBURETOR HEAT FOR ABOUT 1 MIN. WHEN THE CARBURETOR HEAT WAS TURNED OFF, THE ENG QUIT. THE PLT REAPPLIED THE HEAT & THE ENG RESTARTED FOR A MOMENT & THEN QUIT AGAIN. DURING A FORCED LANDING ON SNOW COVERED TERRAIN, THE ACFT NOSED OVER. AN EXAM OF THE ACFT & ENG REVEALED NO EVIDENCE OF A PREIMPACT FAILURE OR DEFICIENCY. THE TEMP & DEW POINT WERE -4 & -17 DEG, RESPECTIVELY. ACCORDING TO ICING PROBABILITY CURVES, CARBURETOR ICING WOULD NOT BE PROBABLE.

## Aircraft

- Registration: [N7229T](https://openairdocs.org/aircraft/N7229T), registered now, S/N 46829 (OpenAirDocs)
- Reported make and model: CESSNA 172A
- Registry model: [Cessna 172A](https://openairdocs.org/model/cessna-172a) (registry code 2072404) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 46829
- Airframe hours: 3065
- Engines: CONTINENTAL O-300-C 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial observation, Part 91
- Operator: Elmer O. Muecke
- Registered owner: Elmer Den Hartog
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 1, 1983, 90 hours before
- Departed: LJR, LE MARS, IA
- Destination: SHL, SHELDON, IA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; commercial, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 16,058 total, 345 in this make and model, 15,725 as pilot in command, 100 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 290° at 15 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: -4 °F
- Altimeter: 30.00 inHg

## 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 19831229064969A](https://openairdocs.org/incident/19831229064969A), Dec 29, 1983: Cessna 172A, Hospers, IA, Substantial damage. During powerline patrol engine quit and crash occurred during emergency landing in snow covered field.

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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