# NTSB SEA83LA069: Continental Copters Mkiii, N73865, Pasco, WA, April 1, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 1, 1983, 09:30 local (17:30 UTC)
- Place: Pasco, WA
- Coordinates: 46.409755, -118.899787 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.4098&lon=-118.8998&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39669
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA83LA069
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39669/pdf
- Page: https://openairdocs.org/ntsb/SEA83LA069

## Sequence of events

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

- Roll over, taxi - aerial
  - aircraft handling - improper, pilot in command (cause)

## Analysis

WHILE REPOSITIONING THE HELICOPTER FROM THE GROUND ONTO A TRAILER THE ACFT ROLLED OVER WHEN THE RIGHT SKID CAUGHT ONTO THE TRAILER.

## Aircraft

- Registration: [N73865](https://openairdocs.org/deregistered/N73865-2012-09-06), registration cancelled 2012-09-06, S/N 7, built 1962 (OpenAirDocs)
- Reported make and model: Continental Copters MKIII
- Registry model: [Bell-Continental Copters 47G-ELTOMCAT MKII](https://openairdocs.org/model/bell-continental-copters-47g-eltomcat-mkii) (registry code 1181062) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 007
- Airframe hours: 444
- Engines: FRANKLIN 6V350-A 235 horsepower reciprocating
- Damage: Substantial damage
- Flight: Positioning, Part 91
- Operator: Aero Air
- Registered owner: Maynard Lund
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, February 21, 1983, 0 hours before
- Airport: PSC, Pasco

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 10,472 total, 4 in this make and model, 10,472 as pilot in command, 34 in the last 90 days, 20 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: 18,000 ft overcast
- Temperature: 52 °F, dew point 39 °F
- Altimeter: 30.00 inHg
- Observed at: PSC

## 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 19830401010949A](https://openairdocs.org/incident/19830401010949A), Apr 1, 1983: Bell 47G, Pasco, WA, Substantial damage. Right skid of helicopter caught on trailer and rolled over during attempted landing.

## Other investigations on N73865 (3)

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 SEA91LA233](https://openairdocs.org/ntsb/SEA91LA233), Sep 12, 1991: Bell 47G (N73865), Miltonfreewater, OR, substantial damage. Probable cause: PILOT FACTOR IN THAT THE PILOT FAILED TO INSURE THERE WAS ADEQUATE CLEARANCE FROM OBSTACLES FOR A SAFE TAKEOFF. A FACTOR TO THE ACCIDENT WAS: THE PILOT'S POOR PREFLIGHT PLANNING/PREPARATION.
- [NTSB SEA73FYG36](https://openairdocs.org/ntsb/SEA73FYG36), May 26, 1973: Bell Tomcat (N73865), Harrington, WA, substantial damage
- [NTSB MKC67A0088](https://openairdocs.org/ntsb/MKC67A0088), Jun 26, 1967: Bell 47G (N73865), Lincoln, KS, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.