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NTSB Report
April 6, 1989 · Cessna 172N · N248ER
Prescott, AZ
Overview
Report Status
Probable Cause
Event Type
Accident
Date
April 6, 1989
Injury Outcomes
No injuries (1 uninjured)
Location
Prescott, AZ
Aircraft
Cessna 172N
Tail Number
N248ER
Injuries
None
Aircraft Damage
Substantial
NTSB Number
LAX89LA150
THE STUDENT PLT WAS ON HIS 1ST UNSUPERVISED SOLO FLT & WAS MAKING TOUCH-&-GO LANDINGS IN THE LOCAL PATTERN. AFTER THE 2ND LANDING, HE RETRACTED THE FLAPS, APPLIED FULL POWER & MOVED THE CARBURETOR HEAT TO OFF. HE RPRTD THAT AFTER BECOMING AIRBORNE, HE ENCOUNTERED 'HARSH BACK PRESSURE' & TRIED TO TRIM, BUT THE TRIM DID NOT HELP. SUBSEQUENTLY, THE ACFT NOSED DOWN, CONTACTED THE RUNWAY & BEGAN PORPOISING. THE PLT 'PULLED' THE POWER & STOPPED THE ACFT, BUT THE PROP, NOSE GEAR & FIREWALL WERE DAMAGED DRG THE OCCURRENCE. DRG AN INVESTIGATION, THE ELEVATOR TRIM WAS FOUND IN A 'NOSE DOWN'POSITION & THE TRIM TAB WAS FOUND DISPLACED 1.5 INCHES FROM NEUTRAL. NO MECHANICAL MALFUNCTION OR FAILURE WAS REPORTED.
NTSB Probable Cause
IMPROPER USE OF THE ELEVATOR FLIGHT CONTROL BY THE PILOT AND HIS FAILURE TO MAINTAIN A PROPER RATE OF CLIMB AFTER LIFT-OFF. CONTRIBUTING FACTORS WERE: IMPROPER USE OF ELEVATOR TRIM BY THE PILOT, HIS LACK OF TOTAL EXPERIENCE, AND AN INADVERTENT PORPOISE.
Full Narrative
THE STUDENT PLT WAS ON HIS 1ST UNSUPERVISED SOLO FLT & WAS MAKING TOUCH-&-GO LANDINGS IN THE LOCAL PATTERN. AFTER THE 2ND LANDING, HE RETRACTED THE FLAPS, APPLIED FULL POWER & MOVED THE CARBURETOR HEAT TO OFF. HE RPRTD THAT AFTER BECOMING AIRBORNE, HE ENCOUNTERED 'HARSH BACK PRESSURE' & TRIED TO TRIM, BUT THE TRIM DID NOT HELP. SUBSEQUENTLY, THE ACFT NOSED DOWN, CONTACTED THE RUNWAY & BEGAN PORPOISING. THE PLT 'PULLED' THE POWER & STOPPED THE ACFT, BUT THE PROP, NOSE GEAR & FIREWALL WERE DAMAGED DRG THE OCCURRENCE. DRG AN INVESTIGATION, THE ELEVATOR TRIM WAS FOUND IN A 'NOSE DOWN'POSITION & THE TRIM TAB WAS FOUND DISPLACED 1.5 INCHES FROM NEUTRAL. NO MECHANICAL MALFUNCTION OR FAILURE WAS REPORTED.
Flight
Event TypeAccident
Event Time17:25 MST
Nearest AirportE.A. Love Field (0nm N)
Runway3
Runway Length7200 ft
Runway Width150 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172N
Tail NumberN248ER
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-D2J · Reciprocating · 180
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 19 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind330° @ 5 kt
Visibility65 sm
CeilingNone
Temperature / Dew Point21 C
Altimeter0
Observation Time00:14
Weather SourceWFAC