Kelly Afb Airport
Aircraft Accident/Incident Report

Elmendorf, Texas 78112
Tuesady, August 7, 1990 14:46 CDT

NTSB Narrative Summary Released at Completion of Accident

A USAF T-38 & A CESSNA 172 COLLIDED AT 4200' MSL. DRG IMPACT, THE VERTICAL STABILIZER OF THE T-38 STRUCK THE RGT SIDE OF THE 172'S ENG. THE ENG SEPD & THE 172 PLTS LNDD ON A ROAD. THE T-38 DSCNDD OUT OF CTL, BUT THE T-38 PLTS EJECTED SAFELY. BFR IMPACT, THE STUDENT IN THE 172 (WITH A VISION RESTRICTING DEVICE) & HIS INSTRUCTOR (CFI) WERE PRACTICING AIR WORK MNVRS. THE TANDEM SEAT T-38A (WITH AN INSTRUCTOR PLT IN THE BACK SEAT & A RATED PLT IN THE FNT SEAT) WERE BEING VECTORED FOR AN ILS RWY 33 APCH TO KELLY AFB. THE T-38'S SPD WAS ABOUT 330 KTS; THE SPD LIMITATION OF 250 KTS HAD BEEN WAIVED FOR T-38 ACFT, DUE TO THE ACFT'S LACK OF CONTROLLABILITY AT THE LOWER SPD. THE 172 WAS EQUIPPED WITH A TRANSPONDER, BUT IT WAS NOT EQUIPPED WITH MODE C. THE T-38 WAS EQUIPPED WITH A MODE C TRANSPONDER. BOTH ACFT WERE IN RADIO CTC WITH THE SAN ANTONIO SOUTH DEP CTLR, BUT ABT 3 MIN BFR THE COLLISION, RADAR SVC WITH THE 172 HAD BEEN TRMTD.

NTSB Probable Cause Narrative

INADEQUATE VISUAL LOOKOUT BY THE INSTRUCTOR PILOT (CFI) IN THE CESSNA 172 AND BY BOTH PILOTS IN THE T-38.

Event Information

Type of Event Accident
Event Date 8/7/1990
Event Day of the Week Tuesday
Time of Event 1446
Event Time Zone Central Daylight Time
Event City ELMENDORF
Event State TEXAS
Event Country --
Zipcode of the event site 78112
Event Date Year 1990
Event Date Month 8
MidAir Collision Indicator Yes
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport KELLY AFB
Event Location Nearest Airport ID KSKF
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 12
Degrees magnetic from airport 120
Airport Elevation 690
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1503 Central Daylight Time
Direction of event from weather observation facility (degrees) 350
Weather Observation Facility ID SAT
Elevation of weather observation facility 690
Distance of event from weather observation facility (units?) 20
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) 20
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 40
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 3
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2236
NTSB Notification Source --
NTSB Notification Date Aug 7 1990 12:00AM
NTSB Notification Time 1550
Fiche Number and/or location -used to find docket information 44583
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft #2

Aircraft Registration Number N1466V USAF
NTSB Number FTW90FA151A FTW90FA151B
Missing Aircraft Indicator N N
Federal Aviation Reg. Part Part 91: General Aviation Armed Forces
Type of Flight Plan filed None IFR
Flight plan Was Activated? -- --
Damage Substantial Destroyed
Aircraft Fire None Ground
Aircraft Explosion None Ground
Aircraft Manufacturer's Full Name CESSNA NORTHROP
Aircraft Model 172M T-38A
Aircraft Series Identifier 172M T-38A
Aircraft Serial Number 17263603 64-13273
Certified Max Gross Weight 2300 12500
Aircraft Category Airplane Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil Military
Aircraft is a homebuilt? No No
Flight Crew Seats -- --
Cabin Crew Seats -- --
Passenger Seats -- --
Total number of seats on the aircraft 4 2
Number of Engines 1 2
Fixed gear or retractable gear Fixed Retractable
Aircraft, Type of Last Inspection Unknown Unknown
Date of Last Inspection -- --
Airframe hours since last inspection 0 0
Airframe Hours -- --
ELT Installed Yes Yes
ELT Activated No Yes
ELT Aided Location of Event Site Unknown Yes
ELT Type -- --
Aircraft Owner Name
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? -- --
Operator Name WRIGHT FLYERS INC. DEPARTMENT OF DEFENSE
Operator Same as Owner? No No
Operator Is Doing Business As -- --
Operator Address Same as Owner? No No
Operator Street Address 1115 PAUL WILKINS LAUGHLIN AIR FORCE BASE
Operator City SAN ANTONIO DEL RIO
Operator State TX TX
Operator Country
Operator Zip code 78216 78840
Operator Code
Owner has at least one certificate None None
Other Operator of large aircraft? No No
Certified for Part 133 or 137 Operation Unknown Unknown
Operator Certificate Number -- --
Indicates whether an air carrier operation was scheduled or not -- Unknown
Indicates Domestic or International Flight -- Unknown
Operator carrying Pax/Cargo/Mail -- Unknown
Type of Flying (Per_Bus / Primary) Instructional Instructional
Second Pilot on Board Yes Yes
Departure Point Same as Event No No
Departure Airport Code SAT RND
Departure City SAN ANTONIO RANDOLPH AFB
Departure State TX TX
Departure Country
Departure Time 1420 1350
Departure Time Zone CDT CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere --
Destination Airport Code SAT DLF
Destination City DEL RIO
Destination State TX
Destination Country
Specific Phase of Flight Maneuvering Maneuvering
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:30AM Oct 22 2001 3:26PM
User who most recently changed record dbo dbo
Since inspection or accident -- --
Event Location Runway Number and Location 0 33
Runway Length 0 11550
Runway Width 0 300
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --