DEN84FA159

NTSB accident investigation · Grumman American AA-1C · Rapid City, SD · May 23, 1984

Accident · Serious injuriesField investigationFinal report
Date
May 23, 1984, 16:30 local (23:30 UTC)
Place
Rapid City, SD
Injuries
1 serious, 1 minor
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N9803UGrumman American AA-1C
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840523018529A
Case key
16215

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - in flightGo-around (vfr)
Weather condition - high windFactor
Emergency procedure - simulatedPilot in command(cfi)Factor
Go-around - delayedPilot in command(cfi)Cause
Proper climb rate - not attainedDual studentCause
Stall - inadvertentPilot in command(cfi)Cause
Terrain condition - mountainous/hillyFactor
Supervision - inadequatePilot in command(cfi)Cause
Stall - inadvertentPilot in command(cfi)
In flight collision with terrain/waterDescent - uncontrolled
Nose overOther

Analysis

The acft collided with rolling terrain while on a dual training flt. The CFI stated that the student plt was in the process of doing a simulated engine out forced landing when he raised the nose too high. The CFI and student were discussing the terrain when the CFI noticed a high sink rate and took the acft controls. With power on, according to thecfi, the acft continued to descend. He said that just prior to ground impact he raised the nose abruptly to allow the landing gear to absorb the impact. The acft was in a 25 degree bank at impact so the right wing absorbed the shock and was separated from the acft which pivoted about 120 degrees and nosed over. No malfunction of equipment was reported.

Aircraft

Registration
N9803U
Reported as
Grumman American AA-1C
Category
Airplane
Serial number
0129
Engine
Lycoming O-235-L2C, 115 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Silver Wings Aviation, Inc.
Registered owner
Alberta C. Welch
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 10, 1983 · 10 hours before
Departed
RAP
Destination
RAP

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
27
Certificates
Flight instructor, Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Right
Flight hours
2,463 total · 500 in this make and model · 165 in the last 90 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 25 knots, gusting 35
Visibility
35 statute miles
Lowest ceiling
None
Temperature
81 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.