FTW92LA159

NTSB accident investigation · Bell 47G-2 · Danbury, TX · June 14, 1992

Accident · No injuriesLimited investigationFinal report
Date
June 14, 1992, 12:00 local (17:00 UTC)
Place
Danbury, TX
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N6746DBell 47G-2
Weather
Visual (VMC) · Day
Status
Completed · report June 30, 1993
Report
Approved by Office Director
FAA report
19920614020239A
Case key
18517

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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Probable cause

The failure of the landing gear skid due to internal corrosion. A factor was the soft ground.

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.

Gear collapsedLanding - roll
Terrain condition - softFactor
Run on landing - attemptedDual student
Landing gear,skid assembly - corrodedCause
Landing gear,skid assembly - failure,partial
Landing gear,skid assembly - collapsedCause
Roll overLanding - roll

Analysis

A helicopter was executing a running landing to a sod runway to simulate an antitorque failure during aircraft qualification training. The left landing gear skid tube failed due to internal corrosion and the aircraft rolled over.

Aircraft

Registration
N6746D
Reported as
Bell 47G-2
Category
Helicopter
Serial number
2250
Airframe hours
4,573
Engine
Lycoming VO-435A1F, 265 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Salaika, Timothy A., doing business as Salaika Aviation
Registered owner
Salaika, Timothy A.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 7, 1992 · 70 hours before
Departed
07TA
Airport
07TA · Salaika Ranch Heliport

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
Age
43
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Helicopter, Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
10,500 total · 2,000 in this make and model · 10,200 as pilot in command · 100 in the last 90 days · 30 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 7 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
81 °F, dew point 73 °F
Altimeter
29.00 inHg
Observed at
HOU, 26 nm away

FAA reports on this event · 1

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

Other investigations on N6746D · 3

Matched to the same aircraft by N-number and date.