LAX85IA396

NTSB incident investigation · North American SNJ-4 · Reno, NV · September 12, 1985

Incident · No injuriesIncident investigationFinal report
Date
September 12, 1985, 12:00 local (19:00 UTC)
Place
Reno, NV
Injuries
1 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N86WWNorth American SNJ-4
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850912076169I
Case key
24564

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

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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.

Airframe/component/system failure/malfunctionCruise
Propeller system/accessories,hydraulic pitch ctl - disconnectedCause
Nose downLanding - roll

Analysis

The pilot experienced a 'severe vibration' and made an emergency landing during a heat race at the national championship air races. Subsequent examination revealed that a propeller blade pitch change bolt, p/n 53546, had failed, allowing one propeller blade to move into a high pitch blade angle.

Aircraft

Registration
N86WW
Reported as
North American SNJ-4
Category
Airplane
Serial number
6400 414
Engine
P&W R1340 SERIES, 600 horsepower, reciprocating
Damage
Minor damage
Flight
Part 91
Registered owner
Charles E. Beck
Airworthiness certificate
Standard, Normal
Departed
45D
Airport
45D · Reno-Stead, runway 8, 7,600 × 150 ft, asphalt

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Front

Weather

Conditions
Visual (VMC) · Day
Wind
260° at 4 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
61 °F, dew point -0 °F

FAA reports on this event · 1

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