# NTSB DEN82FA054: Beech M35, N9733R, Lamar, CO, April 2, 1982 - Type: NTSB accident investigation - Classification: Accident · Fatal · Field investigation · Final report - Date: April 2, 1982, 10:22 local (17:22 UTC) - Place: Lamar, CO - Coordinates: 38.079113, -102.610816 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=38.0791&lon=-102.6108&mi=10 - Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping) - Highest injury: Fatal - Injuries: 4 fatal - Status: Completed, report April 2, 1983 - Report: Approved by Office Director - NTSB case key (mKey): 71343 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN82FA054 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/71343/pdf - Page: https://openairdocs.org/ntsb/DEN82FA054 ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - In flight encounter with weather, cruise - normal - weather condition - turbulence (contributing factor) - weather condition - high wind (contributing factor) - weather condition - obscuration (contributing factor) - flight into known adverse weather - initiated, pilot in command (cause) - overconfidence in personal ability, pilot in command (contributing factor) - Loss of control - in flight, cruise - normal - flight controls - improper use of, pilot in command (cause) - lack of total instrument time, pilot in command (contributing factor) - spatial disorientation, pilot in command (contributing factor) - In flight collision with terrain/water, descent - uncontrolled ## Analysis DURING THE WX BRIEFING THE PLT WAS ADVISED THAT THE WX ALONG HIS PROPOSED ROUTE OF FLT WOULD BE GENERALLY GOOD VFR WITH THE EXCEPTION OF POSSIBLE TURBULENCE & THAT BLOWING DUST WOULD BE THE BIG PROBLEM. THERE WERE PIREPS OF 65K WINDS AT 3,000 FT OVER OKLAHOMA CITY WHICH WAS FORECASTING VISIBILITIES DROPPING TO 3-4 MI IN BLOWING DUST BY NOON. THE PLT'S FORMER FLT EXAMINER TRIED TO CONVINCE THE PLT TO POSTPONE THE TRIP DUE TO HIGH WINDS ENROUTE. AT APPROXIMATELY 1015 A GROUND WITNES ON A ROAD NEAR THE LAMAR ARPT STATED HE SAW A DUST CLOUD NORTH OF TOWN RISING TO AN ALTITUDE OF APPROXIMATELY 2,000 FT. BY THE TIME THE WITNESS REACHED THE ARPT VISIBILITY WAS LESS THAN 100 FT WITH AN ESTIMATED WIND OF 60 MPH. ANOTHER WITNESS WHO HEARD THE CRASH SAID IT WAS TOO DIRTY TO SEE ANYTHING. THE LA JUNTA FSS, LOCATED APPROXIMATELY 32 MI WEST OF THE ACCIDENT SITE, 0958 & 1058 OBSERVATIONS INCLUDED SURFACE WINDS GUSTING TO 57K & SKY COVERAGE OF 0.6. ## Aircraft - Registration: N9733R (not matched to a registry record) - Reported make and model: BEECH M35 - Category: Airplane - Serial number: D6214 - Engines: CONTINENTAL IO-470-C 250 horsepower reciprocating - Damage: Destroyed - Flight: Personal, Part 91 - Operator: General Aircraft Sales & Servi - Registered owner: General Aircraft Sales & Servi - Departed: C, NORMAN, OK - Destination: C, DENVER, CO - Airport: LAA, Lamar Municipal ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 33; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; flight hours: 284 total, 105 in this make and model, 246 as pilot in command, 52 in the last 90 days, 31 in the last 30 days ## Weather - Conditions: Instrument (IMC), Day - Wind: 280° at 35 knots - Temperature: 124 °F - Altimeter: 29.00 inHg ## 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 19820402007659A](https://openairdocs.org/incident/19820402007659A), Apr 2, 1982: Beech M35, Lamar, CO, Destroyed, 3 fatal. VFR pilot lost control in a passing dust storm. Ground impact demolished aircraft. Was advised no go due to wind. 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.