# NTSB CHI86LA090: Cessna 402B, N3940C, Rochester, MN, February 18, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 18, 1986, 17:30 local (23:30 UTC)
- Place: Rochester, MN
- Coordinates: 44.069202, -92.509155 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.0692&lon=-92.5092&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 7 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13427
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86LA090
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13427/pdf
- Page: https://openairdocs.org/ntsb/CHI86LA090

## Sequence of events

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

- Undershoot, approach - faf/outer marker to threshold (ifr)
  - weather condition - icing conditions (contributing factor)
  - planned approach - poor, pilot in command (cause)
  - airspeed - improper, pilot in command (cause)
- Hard landing, landing - flare/touchdown
- Complete gear collapsed, landing - flare/touchdown

## Analysis

DURING A ILS APPROACH IN FREEZING RAIN CONDITIONS THE PILOT ENTERED A HIGH SINK RATE HE COULD NOT STOP UNTIL GROUND CONTACT. THE ACFT TOUCHED DOWN SHORT OF THE RWY AND ALL THREE LANDING GEAR COLLAPSED.

## Aircraft

- Registration: [N3940C](https://openairdocs.org/deregistered/N3940C-2013-05-31), registration cancelled 2013-05-31, S/N 402B0819, built 1974 (OpenAirDocs)
- Reported make and model: CESSNA 402B
- Registry model: [Cessna 402B](https://openairdocs.org/model/cessna-402b) (registry code 207590P) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 40280819
- Airframe hours: 2913
- Engines: CONTINENTAL TSIO-520-E 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Operator: Hinson Airways, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, December 1, 1985, 26 hours before
- Departed: GRR, GRAND RAPIDS, MI
- Destination: RST, ROCHESTER, MN
- Flight plan: IFR
- Airport: RST, Rochester Muni, runway 13, 7,535 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 6,970 total, 357 in this make and model, 6,684 as pilot in command, 60 in the last 90 days, 7 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Dusk
- Wind: 70° at 10 knots
- Visibility: 3 statute miles
- Lowest ceiling: 800 ft overcast
- Temperature: 30 °F, dew point 28 °F
- Altimeter: 29.00 inHg
- Observed at: RST

## 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 19860218006109A](https://openairdocs.org/incident/19860218006109A), Feb 18, 1986: Cessna 402B, Rochester, MN, Substantial damage. Landed short of runway. Added power but unable to arrest sink rate. Freezing rain encountered on approach.

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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