Deer Lodge City Airport
Aircraft Accident/Incident Report

Deer Lodge, Montana 59722
Friday, April 15, 1988 15:56 MDT

NTSB Narrative Summary Released at Completion of Accident

THE OVERWEIGHT ACFT DEPARTED ON THE SECOND LEG OF A X-COUNTRY FLT. WITNESSES STATED THAT THE ENGINE BEGAN TO RUN ROUGH DURING THE CLIMB AFTER TAKE-OFF. A RETURN TO THE AIRPORT WAS CONDUCTED AND THE ENGINE RETURNED TO NORMAL OPERATION JUST PRIOR TO FLARING FOR LANDING. THE PILOT ELECTED TO ABORT THE LANDING. AFTER INITIATING A CLIMB THE ENGINE AGAIN RAN ROUGH. THE PILOT ATTEMPTED A 180 DEGREE LEFT TURN BACK TO THE ARPT. DURING THE TURN THE ACFT STALLED AND IMPACTED 20 FT SHORT OF THE RUNWAY THRESHOLD. THE INVESTIGATION REVEALED A SEVERLY ERODED LEFT MAGNETO AND THE KEY SWITCH WAS FOUND IN THE LEFT MAGNETO POSITION ONLY.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/15/1988
Event Day of the Week Friday
Time of Event 1556
Event Time Zone Mountain Daylight Time
Event City DEER LODGE
Event State MONTANA
Event Country --
Zipcode of the event site 59722
Event Date Year 1988
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport DEER LODGE CITY
Event Location Nearest Airport ID 385
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 4688
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 1600
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 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 45
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 6500
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 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 235
NTSB Notification Source --
NTSB Notification Date Apr 15 1988 12:00AM
NTSB Notification Time 1800
Fiche Number and/or location -used to find docket information 35853
Date of most recent change to record Dec 13 2000 11:40AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N13788
NTSB Number DEN88FA097
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 None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 150
Aircraft Series Identifier 150
Aircraft Serial Number 59776
Certified Max Gross Weight 1500
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Dec 7 1987 12:00AM
Airframe hours since last inspection 61
Airframe Hours 3751
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SANDERS, FRANK C.
Aircraft Owner Street Address 201 PARKSIDE CT.
Aircraft Owner City LOLO
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59847
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code 38S
Departure City DEER LODGE
Departure State MT
Departure Country
Departure Time 1550
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code 153
Destination City FORSYTH
Destination State MT
Destination Country
Specific Phase of Flight Go-around (VFR)
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 30
Runway Length 4400
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --