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NTSB Report
July 17, 1983 · Cessna 172 · N8198B
Rutheron, NM
Overview
Report Status
Preliminary report
Event Type
Accident
Date
July 17, 1983
Injury Outcomes
1 injury (1 minor injury), 1 uninjured
Location
Rutheron, NM
Aircraft
Cessna 172
Tail Number
N8198B
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
FTW83LA336
THE ACFT COLLIDED WITH THE GROUND INADVERTANTLY AFTER DROPPING EMERGENCY DRILLING EQUIPMENT AT A DRILLING SITE. THE PLT WAS MAKING ANOTHER PASS TO CHECK ON THE DROP WHEN THE ACFT STARTED TO DESCEND. IN SPITE OF POWER APPLICATION THE ACFT DESCENDED INTO AN AREA OF TREES AND POLES. THE ENGINE WAS STILL RUNNING AFTER IMPACT AND WAS SECURED BY THE PLT. THE SITE ALTITUDE WAS 7500 FT. POST ACCIDENT INVESTIGATION REVEALED BLACK AND GRAY SOOT ON THE SPARK PLUGS WHICH IS 'INDICATIVE OF A RICH MIXTURE.' THE PLT HAD APPROACHED AT 70 KTS IAS WITH 10-20 DEGREES OF FLAPS.
Full Narrative
THE ACFT COLLIDED WITH THE GROUND INADVERTANTLY AFTER DROPPING EMERGENCY DRILLING EQUIPMENT AT A DRILLING SITE. THE PLT WAS MAKING ANOTHER PASS TO CHECK ON THE DROP WHEN THE ACFT STARTED TO DESCEND. IN SPITE OF POWER APPLICATION THE ACFT DESCENDED INTO AN AREA OF TREES AND POLES. THE ENGINE WAS STILL RUNNING AFTER IMPACT AND WAS SECURED BY THE PLT. THE SITE ALTITUDE WAS 7500 FT. POST ACCIDENT INVESTIGATION REVEALED BLACK AND GRAY SOOT ON THE SPARK PLUGS WHICH IS 'INDICATIVE OF A RICH MIXTURE.' THE PLT HAD APPROACHED AT 70 KTS IAS WITH 10-20 DEGREES OF FLAPS.
Flight
Event TypeAccident
Event Time08:15 MDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172
Tail NumberN8198B
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · O-300-A · Reciprocating · 145
Seats4
People & Injuries
Injury Summary1 injury (1 minor injury), 1 uninjured
Fatal0
Serious0
Minor1
Uninjured1
Total2
Crew 1Age 34 · Second Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility50 sm
CeilingNone
Temperature / Dew Point64 F / 0 C
Altimeter0
Weather SourcePILO