# NTSB SEA82DA114: Mong Sport 1, N610S, Battleground, WA, July 17, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 17, 1982, 13:00 local (20:00 UTC)
- Place: Battleground, WA
- Coordinates: 45.799278, -122.479934 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.7993&lon=-122.4799&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 17, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 69894
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA82DA114
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/69894/pdf
- Page: https://openairdocs.org/ntsb/SEA82DA114

## Sequence of events

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

- In flight collision with object, takeoff - initial climb
  - object - tree(s) (contributing factor)
  - weather condition - high density altitude (contributing factor)
  - judgment - poor, pilot in command (cause)
  - aircraft performance,takeoff capability - exceeded (cause)
  - aircraft performance,climb capability - exceeded (cause)

## Analysis

THE PILOT TOOKOFF FROM A ROUGH TURF FIELD ADJACENT TO A SCHOOL AFTER A PARADE FEATURING HIS PLANE. THE DAY WAS HOT AND THE FIELD WAS SHORT. THE PILOT WAS UNABLE TO CLEAR 60 FOOT TREES AND IMPACTED THE GROUND.

## Aircraft

- Registration: [N610S](https://openairdocs.org/aircraft/N610S), registered now, S/N JV6220, built 1964 (OpenAirDocs)
- Reported make and model: MONG SPORT 1
- Registry model: [Mong Sport 1](https://openairdocs.org/model/mong-sport-1) (registry code 57901SF) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: JV6220
- Airframe hours: 650
- Engines: CONTINENTAL C-85-8F 85 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Richard K. Beekman
- Registered owner: Richard K. Beekman
- Departed: BATTLEGROUND, WA
- Destination: 59S, VANCOUVER, WA
- Airport: runway 32, 900 × 200 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; flight hours: 502 total, 250 in this make and model, 28 in the last 90 days, 7 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 290° at 10 knots
- Visibility: 40 statute miles
- Temperature: 189 °F
- Altimeter: 29.00 inHg
- Observed at: PDX, 12 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 19820717029769A](https://openairdocs.org/incident/19820717029769A), Jul 17, 1982: Amtrmg MONGSPORT*, Battleground, WA, Substantial damage. Lifted off from rough farm field, unable to leave ground effect. Flew into trees on edge of 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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