# NTSB SEA85LA102: Cessna 170B, N2518D, Boulder City, NV, May 2, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 1, 1985, 16:00 local (May 2, 1985, 00:00 UTC)
- Place: Boulder City, NV
- Coordinates: 35.990142, -114.80989 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=35.9901&lon=-114.8099&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40150
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85LA102
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40150/pdf
- Page: https://openairdocs.org/ntsb/SEA85LA102

## Sequence of events

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

- On ground/water encounter with weather, landing - roll
  - in-flight planning/decision - improper, pilot in command (cause)
  - weather condition - tailwind (contributing factor)
  - wrong runway - selected, pilot in command (contributing factor)
  - weather condition - unfavorable wind (cause)
  - compensation for wind conditions - not attained
- Loss of control - on ground/water, landing - roll
  - directional control - not maintained
  - ground loop/swerve - uncontrolled
- On ground/water collision with object, landing - roll
  - object - aircraft parked/standing (contributing factor)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - ditch (contributing factor)

## Analysis

DURING ARRIVAL, A PERSON ANSWERING THE UNICOM REPORTED THAT RWY 3 WAS THE ACTIVE RWY & THAT THE WIND WAS 10 KTS. THE PLT MADE A WHEEL LANDING ON RWY 3 IN WINDS THAT WERE FROM 210 DEG AT 10 KTS. HE STATED THAT WHEN THE TAILWHEEL CAME DOWN DURING THE LANDING ROLL, THE ACFT WAS BLOWN TOWARD THE LEFT. AFTER VEERING LEFT, THE ACFT COLLIDED WITH A TIED DOWN GLIDER & WENT INTO A 4 FT DEEP DITCH. SEVERAL PERSONS NOTED THAT THERE WERE DUST DEVILS ON THE ARPT AT OR NEAR THE TIME OF THE ACCIDENT.

## Aircraft

- Registration: [N2518D](https://openairdocs.org/aircraft/N2518D), registered now, S/N 20670, built 1952 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 20670
- Airframe hours: 3938
- Engines: CONTINENTAL O-300-C 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Arthur Kimball
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, November 17, 1984, 15 hours before
- Departed: L26, HESPERIA, CA
- Destination: BLD
- Airport: BLD, Boulder City, runway 3, 3,100 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 676 total, 13 in this make and model, 525 as pilot in command, 19 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 210° at 10 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 97 °F

## 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 19850501015149A](https://openairdocs.org/incident/19850501015149A), May 1, 1985: Cessna 170B, Boulder City, NV, Substantial damage. Landed downwind. On rollout encountered dust devil which blew aircraft to side of runway. Struck glider and ditch.

## Other investigations on N2518D (2)

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.

- [NTSB LAX78DUG52](https://openairdocs.org/ntsb/LAX78DUG52), Sep 8, 1978: Cessna 170 (N2518D), Blythe, CA, substantial damage
- [NTSB FTW72FPM34](https://openairdocs.org/ntsb/FTW72FPM34), Jun 24, 1972: Cessna 170 (N2518D), Pawhuska, OK, substantial damage

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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