Ada Municipal Airport
Aircraft Accident/Incident Report

Ada, Oklahoma 74820
Thursday, May 12, 1988 15:30 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT SAID ALL PRE-FLT PREP WERE NORMAL INCLUDING AN ENG RUN-UP. THE TAKEOFF WAS BEING MADE WITH LIGHT WINDS. AFTER ROLLING ABOUT 300 FT THE ACFT BEGAN A SWERVE TO THE RT WHICH THE PLT PERCEIVED WAS ASSOCIATED WITH A LOSS OF PWR ON THE RT ENG. THE PLT INITIATED AN ABORT AND BEGAN HEAVY BRAKING. THE ACFT CONTINUED IN A RT SWERVE AND DEPARTED THE RT SIDE OF THE RWY. THE FIELD ADJACENT TO THE RWY WAS PLOWED AND WAS ROUGH AND UNEVEN. WHEN THE NOSE WHEEL ENCOUNTERED A 12 IN DEEP FURROW THE NOSE GEAR COLLAPSED AND THE ACFT NOSED OVER. FAA EXAMINED THE WRECKAGE AND COULD NOT FIND ANY EVIDENCE TO EXPLAIN THE REPORTED LOSS OF PWR. THE INSPECTOR SAID LOCKED BRAKE SKID MARKS WERE FOUND ON THE RWY WHICH COULD BE ASSOCIATED WITH THE MAIN GEAR OF THE ACDT ACFT. HE SAID THE SKID MARKS BEGAN OPPOSITE EACH OTHER AND LED TO THE FINAL RESTING PLACE OF THE ACFT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/12/1988
Event Day of the Week Thursday
Time of Event 1530
Event Time Zone Central Daylight Time
Event City ADA
Event State OKLAHOMA
Event Country --
Zipcode of the event site 74820
Event Date Year 1988
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ADA MUNICIPAL
Event Location Nearest Airport ID ADH
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 1008
Weather Briefing Completeness Not pertinent
Investigator's weather source Unknown
Time of the weather observation 1554 Central Daylight Time
Direction of event from weather observation facility (degrees) 210
Weather Observation Facility ID ADM
Elevation of weather observation facility 762
Distance of event from weather observation facility (units?) 36
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 5000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 31
Dew Point at event time (in degress fahrenheit) 13
Wind Direction (degrees magnetic) 190
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1607
NTSB Notification Source --
NTSB Notification Date May 13 1988 12:00AM
NTSB Notification Time 730
Fiche Number and/or location -used to find docket information 37780
Date of most recent change to record Dec 13 2000 11:45AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7330R
NTSB Number FTW88LA099
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BEECH
Aircraft Model B55
Aircraft Series Identifier B55
Aircraft Serial Number TC-1788
Certified Max Gross Weight 5100
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 6
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Mar 30 1988 12:00AM
Airframe hours since last inspection --
Airframe Hours 1767
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name TERRY, JACK
Aircraft Owner Street Address P.O. BOX 337
Aircraft Owner City KONAWA
Aircraft Owner State OK
Aircraft Owner Country
Aircraft Owner Zipcode 74849
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 Yes
Departure Airport Code ADH
Departure City
Departure State
Departure Country
Departure Time 1530
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code SWO
Destination City STILLWATER
Destination State OK
Destination Country
Specific Phase of Flight Takeoff
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 17
Runway Length 5000
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --