Anniston - Fort Leavenworth

The two aircraft, a Beech U-21A and a Piper PA-31-350, collided nearly head on at 7,000 feet msl over Independence, MO. In daylight VMC conditions with a visibility of 20 miles. The U-21 was in level cruise and the PA-31 was climbing eastbound to an undisclosed altitude enroute to Saint Louis. Both aircraft were equipped with operating mode-c transponders but the controller in contact with the U-21 did not observe the conflict and traffic advisories were not provided. The PA-31 was operating in accordance with visual flight rules. The U-21 was operating in accordance with instrument flight rules. After the collision both aircraft crashed in uncontrolled descent. There was no indication that either aircraft took any evasive action. The conflict alert subprogram of the ARTS III tracking system was not programmed to alert the controllers to the impending collision and the two controllers did not observe any target in the vicinity of the data block representing the U-21. All six occupants in both aircraft were killed.

Flight / Schedule

Anniston - Fort Leavenworth

Registration

67-18061

MSN

LM-62

Year of Manufacture

1967

Date

January 20, 1987 at 12:28 PM

Type

CRASH

Flight Type

Military

Flight Phase

Flight

Crash Site

Plain, Valley

Crash Location

Independence Missouri

Region

North America • United States of America

Coordinates

39.0925°, -94.4138°

Crash Cause

Human factor

Narrative Report

On January 20, 1987 at 12:28 PM, Anniston - Fort Leavenworth experienced a crash involving Beechcraft U-21 Ute, operated by United States Army, with the event recorded near Independence Missouri.

The flight was categorized as military and the reported phase was flight at a plain, valley crash site.

3 people were known to be on board, 3 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 1, crew fatalities: 1, passengers on board: 2, passenger fatalities: 2, other fatalities: 0.

The listed crash cause is human factor. The two aircraft, a Beech U-21A and a Piper PA-31-350, collided nearly head on at 7,000 feet msl over Independence, MO. In daylight VMC conditions with a visibility of 20 miles. The U-21 was in level cruise and the PA-31 was climbing eastbound to an undisclosed altitude enroute to Saint Louis. Both aircraft were equipped with operating mode-c transponders but the controller in contact with the U-21 did not observe the conflict and traffic advisories were not provided. The PA-31 was operating in accordance with visual flight rules. The U-21 was operating in accordance with instrument flight rules. After the collision both aircraft crashed in uncontrolled descent. There was no indication that either aircraft took any evasive action. The conflict alert subprogram of the ARTS III tracking system was not programmed to alert the controllers to the impending collision and the two controllers did not observe any target in the vicinity of the data block representing the U-21. All six occupants in both aircraft were killed.

Aircraft reference details include registration 67-18061, MSN LM-62, year of manufacture 1967.

Geospatial coordinates for this crash are approximately 39.0925°, -94.4138°.

Fatalities

Total

3

Crew

1

Passengers

2

Other

0

Crash Summary

The two aircraft, a Beech U-21A and a Piper PA-31-350, collided nearly head on at 7,000 feet msl over Independence, MO. In daylight VMC conditions with a visibility of 20 miles. The U-21 was in level cruise and the PA-31 was climbing eastbound to an undisclosed altitude enroute to Saint Louis. Both aircraft were equipped with operating mode-c transponders but the controller in contact with the U-21 did not observe the conflict and traffic advisories were not provided. The PA-31 was operating in accordance with visual flight rules. The U-21 was operating in accordance with instrument flight rules. After the collision both aircraft crashed in uncontrolled descent. There was no indication that either aircraft took any evasive action. The conflict alert subprogram of the ARTS III tracking system was not programmed to alert the controllers to the impending collision and the two controllers did not observe any target in the vicinity of the data block representing the U-21. All six occupants in both aircraft were killed.

Cause: Human factor

Occupants & Outcome

Crew On Board

1

Passengers On Board

2

Estimated Survivors

0

Fatality Rate

100.0%

Known people on board: 3

Operational Details

Schedule / Flight

Anniston - Fort Leavenworth

Flight Type

Military

Flight Phase

Flight

Crash Site

Plain, Valley

Region / Country

North America • United States of America

Aircraft Details

Registration

67-18061

MSN

LM-62

Year of Manufacture

1967

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