# NTSB CHI85LA377: Wippler Cassut III M, N39684, Randall, MN, September 15, 1985

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: September 15, 1985, 11:35 local (16:35 UTC)
- Place: Randall, MN
- Coordinates: 46.080806, -94.489624 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.0808&lon=-94.4896&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13213
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI85LA377
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13213/pdf
- Page: https://openairdocs.org/ntsb/CHI85LA377

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, descent - normal
  - carburetor heat - not used, pilot in command (cause)
- Forced landing, descent - emergency
- In flight collision with terrain/water, landing - flare/touchdown
  - terrain condition - ground

## Analysis

THE ENGINE LOST POWER WHEN THE PILOT ATTEMPTED TO ADD POWER AT THE COMPLETION OF A DESCENT. THE PILOT DID NOT USE CARBURETOR HEAT IN THE DESCENT. THE RELATIVE HUMIDITY WAS APPROXIMATELY 60%.

## Aircraft

- Registration: N39684 (not matched to a registry record)
- Reported make and model: WIPPLER CASSUT III M (CASSUT III)
- Category: Airplane, amateur-built
- Serial number: 239
- Airframe hours: 78
- Engines: CONTINENTAL O-200 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Thomas R. Wippler
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, May 4, 1985, 0 hours before
- Departed: 57Y, SANDSTONE, MN
- Destination: LXL, LITTLE FALLS, MN

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 784 total, 78 in this make and model, 16 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 160° at 13 knots, gusting 22
- Visibility: 10 statute miles
- Lowest ceiling: 20,000 ft broken
- Temperature: 63 °F, dew point 46 °F
- Altimeter: 30.00 inHg
- Observed at: AXN, 35 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 19850915044979A](https://openairdocs.org/incident/19850915044979A), Sep 15, 1985: Amtrsx CASSUTT3M, Randall, MN, Substantial damage. Crash occurred after no response from engine during long reduced power operation. Landing attempt on highway.

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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