Geronimo Airport
Aircraft Accident/Incident Report

Seguin, Texas 78155
Tuesady, October 16, 1984 11:09 CDT

NTSB Narrative Summary Released at Completion of Accident

SHORTLY AFTER TAKEOFF, ACFT RETURNED WITH AN UNKNOWN ENGINE PROBLEM. LEFT ENGINE WAS FEATHERED AND GEAR PARTIALLY EXTENDED. ACFT TOO HIGH ON FINAL TO LAND, ACFT CONTINUED DOWN RWY, DESCENDING AND SLOWING DOWN. WITNESS SAID ACFT ENTERED A VMC ROLL AND DOVE INTO THE GROUND. BURST HYDRAULIC LINE WAS FOUND ON LEFT ENGINE. WITNESSES DISAGREE WHETHER PLT REPORTED ERRATIC OIL PRESSURE. NO EVIDENCE OF OIL SYSTEM FAILURE WAS FOUND. LAST ACFT ANNUAL INSPECTION WAS COMPLETED 1 FLT HR BEFORE ACCIDENT OCCURRED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 10/16/1984
Event Day of the Week Tuesday
Time of Event 1109
Event Time Zone Central Daylight Time
Event City SEGUIN
Event State TEXAS
Event Country --
Zipcode of the event site 78155
Event Date Year 1984
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport GERONIMO
Event Location Nearest Airport ID T90
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 5
Degrees magnetic from airport 120
Airport Elevation 556
Weather Briefing Completeness Full
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 1000
Lowest Non-Ceiling Height 1000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 21
Wind Direction (degrees magnetic) 190
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 4
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 2831
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26810
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1094P
NTSB Number FTW85FA014
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion Ground
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-23-170
Aircraft Series Identifier PA-23-170
Aircraft Serial Number 23-103
Certified Max Gross Weight 3500
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Sep 29 1984 12:00AM
Airframe hours since last inspection 1
Airframe Hours 4322
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name LOUIS H. BUTTON & ASSOC.
Aircraft Owner Street Address 9515 LARUE
Aircraft Owner City SAN ANTONIO
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 78217
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Business
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1100
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code SAT
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 12
Runway Length 3670
Runway Width 45
Sight Seeing flight No
Air Medical Flight No
Medical Flight --