MKC85LA103

NTSB accident investigation · Airship Industries Skyship · Columbus, KS · May 17, 1985

Accident · No injuriesLimited investigationFinal report
Date
May 17, 1985, 12:00 local (17:00 UTC)
Place
Columbus, KS
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
GSKSBAirship Industries Skyship
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
33943

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 flightCruise - normal
Flight control,elevator - disabledCause
Flight control,elevator - overloadCause
Acft/equip,inadequate designManufacturer
Balloon equipment,envelope - penetratedCause
Balloon equipment,envelope - output lowCause
In flight collision with objectDescent - uncontrolled
Object - tree(s)

Analysis

In cruise flt nearing Columbus, Kansas the plt at the controls of the airship experienced a pitching up of the airship's nose. The elevator control did not respond to the plt input to counter the nose up pitch. Also noted was a loss of pressure from the rear helium filled envelope. The airship descended without control until striking tress which stopped it. Examination of the elevator showed the failure of the leading edge spar with movement of a portion of the spar penetrating the rear envelope.

Aircraft

Registration
GSKSB
Reported as
Airship Industries Skyship
Category
Blimp
Serial number
500-04
Airframe hours
1,326
Engine
Porsche 930, reciprocating
Damage
Substantial damage
Flight
Positioning · Part 91
Registered owner
Airship Industries USA Inc.
Last inspection
Annual · December 9, 1984 · 26 hours before
Departed
1H6 · Tulsa, OK
Destination
IXD · Olathe, KS

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
30
Certificate
Airline transport
Airplane ratings
Multi-engine land
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
2,645 total · 207 in this make and model · 2,260 as pilot in command · 61 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
350° at 10 knots
Visibility
10 statute miles
Lowest ceiling
None