Crash of a Mitsubishi MU-2-35 Marquise in Houston: 4 killed

Date & Time: Feb 14, 1980 at 1902 LT
Type of aircraft:
Operator:
Registration:
N346MA
Survivors:
Yes
Schedule:
Corpus Christi - Houston
MSN:
613
YOM:
1973
Crew on board:
1
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
4
Captain / Total flying hours:
12500
Captain / Total hours on type:
800.00
Circumstances:
On approach by night to Houston-Intercontinental Airport, the twin engine airplane was too low, struck trees and crashed. A passenger was seriously injured while all four other occupants were killed.
Probable cause:
Undershoot on final approach and subsequent collision with trees due to improper IFR operation. The following contributing factors were reported:
- Wind shear,
- Incorrect altimeter setting on part of the pilot,
- High obstructions,
- Visibility two miles or less,
- Fog,
- Crashed during an ILS approach approximately 5 miles behind a Boeing 727,
- Altimeter setting 0,5 below correct setting.
Final Report:

Crash of a Piper PA-31T Cheyenne II in San Angelo

Date & Time: Dec 2, 1979 at 1835 LT
Type of aircraft:
Operator:
Registration:
N444JW
Survivors:
Yes
Schedule:
Dallas - San Angelo
MSN:
31-7720015
YOM:
1977
Crew on board:
1
Crew fatalities:
Pax on board:
3
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
5680
Captain / Total hours on type:
670.00
Circumstances:
Upon touchdown at San Angelo-Mathis Field Airport, the twin engine airplane swerved then nosed over and came to rest in flames. All four occupants escaped with minor injuries while the aircraft was destroyed.
Probable cause:
Swerved on landing due to improper operation of brakes and/or flight controls on part of the pilot-in-command who delayed in initiating a go-around.
Final Report:

Crash of a Mitsubishi MU-2B-25 Marquise near Post Oak: 1 killed

Date & Time: Nov 26, 1979 at 0555 LT
Type of aircraft:
Registration:
N234MA
Flight Phase:
Survivors:
No
Schedule:
Jackson - Ardmore
MSN:
252
YOM:
1973
Location:
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Captain / Total flying hours:
11274
Captain / Total hours on type:
1045.00
Circumstances:
While in cruising altitude on a flight from Jackson, Mississippi, to Ardmore, Oklahoma, the twin engine airplane lost height then entered a dive and crashed near Post Oak. The pilot, sole on board, was killed.
Probable cause:
Uncontrolled descent and subsequent uncontrolled collision with ground due to pilot physical impairment. The following contributing factors were reported:
- Alcoholic impairment of efficiency and judgment,
- Pilot fatigue,
- Blood alcohol level 1,7‰,
- The pilot did not sleep for 48 hours,
- Autopilot on,
- Hyperactive dog aboard.
Final Report:

Crash of a Beechcraft 65-90 King Air in Laredo

Date & Time: Sep 3, 1979 at 1712 LT
Type of aircraft:
Registration:
N332K
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Laredo - Laredo
MSN:
LJ-79
YOM:
1966
Location:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
6000
Captain / Total hours on type:
400.00
Circumstances:
Shortly after takeoff from Laredo Airport, while in a local test flight, one engine stopped. The crew attempted an emergency landing and completed a belly landing in an open field located near the airport. The airplane came to rest and was damaged beyond repair while both pilots escaped uninjured.
Probable cause:
Engine failure during climb due to fuel exhaustion. The following contributing factors were reported:
- Inadequate preflight preparation,
- Mismanagement of fuel,
- Fuel exhaustion,
- Intentional wheels-up landing,
- Complete engine failure,
- Forced landing off airport on land.
Final Report:

Crash of a Martin 404 in Miami

Date & Time: Jun 29, 1979 at 0800 LT
Type of aircraft:
Registration:
N40408
Flight Phase:
Survivors:
Yes
Schedule:
Pampa - Pampa
MSN:
14108
YOM:
1951
Location:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
15000
Captain / Total hours on type:
61.00
Circumstances:
The crew departed in the early morning the airport of Pampa-Perry Lefors Field to spray grasshoppers on pasture land in the region of Miami, north Texas. While flying at low height in restricted vision, the airplane struck a dirt bank and crashed. Both pilots were seriously injured and the aircraft was destroyed.
Probable cause:
Collision with dirt bank during swath run after the pilot misjudged altitude and clearance. The following contributing factors were reported:
- Windshield dirty, restriction vision,
- Sunglare,
- Goggles not used,
- Spray from another aircraft collected on windshield according to the pilot.
Final Report:

Crash of a Beechcraft 65-88 Queen Air near Seminole

Date & Time: Jun 11, 1979 at 1200 LT
Type of aircraft:
Registration:
N707ED
Flight Phase:
Flight Type:
Survivors:
Yes
Site:
Schedule:
El Paso – Lubbock
MSN:
LP-16
YOM:
1966
Location:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
20175
Captain / Total hours on type:
620.00
Circumstances:
The crew was completing a single engine positioning flight from El Paso to Lubbock. En route, the remaining engine failed, forcing the crew to attempt an emergency landing. The airplane belly landed in a desert area located in the region of Seminole. Both occupants escaped with minor injuries while the aircraft was damaged beyond repair.
Probable cause:
In-flight engine malfunction and subsequent wheels-up landing caused by a cylinder assembly failure. The following contributing factors were reported:
- Material failure,
- Intentional wheels-up landing,
- Fire in engine,
- Fire warning system: powerplant,
- Complete engine failure,
- Forced landing off airport on land,
- Single engine ferry flight to repair the other engine.
Final Report:

Crash of a Swearingen SA226T Merlin III in San Marcos

Date & Time: May 31, 1979 at 1042 LT
Operator:
Registration:
N5654M
Flight Type:
Survivors:
Yes
Schedule:
San Marcos - San Marcos
MSN:
T-303
YOM:
1979
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
5300
Captain / Total hours on type:
6.00
Circumstances:
The twin engine airplane was engaged in a local experimentation flight at San Marcos Airport on behalf of the Federal Aviation Administration (FAA). During the last segment, at level off, the airplane landed hard and struck the runway surface. Upon impact, the undercarriage were torn off and the airplane came on its belly. All four occupants escaped uninjured while the aircraft was damaged beyond repair.
Probable cause:
Hard landing following improper operation of powerplant and powerplant controls. The following contributing factors were reported:
- Improper level off,
- Overload failure,
- FAA flight test pilot at controls.
Final Report:

Crash of a Piper PA-31-350 Navajo Chieftain in Claude

Date & Time: Feb 23, 1979 at 0026 LT
Registration:
N61517
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Houma - Amarillo
MSN:
31-7552021
YOM:
1975
Location:
Crew on board:
1
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
7119
Captain / Total hours on type:
7.00
Circumstances:
While on a night cargo flight from Houma to Amarillo, one of the engine failed due to fuel exhaustion. The pilot reduced his altitude and attempted an emergency landing in a prairie. Upon landing, the airplane collided with fences and came to rest. Both occupants were seriously injured and the aircraft was damaged beyond repair.
Probable cause:
Engine failure in flight due to fuel exhaustion. The following contributing factors were reported:
- Collision with fences,
- Inadequate preflight preparation,
- Mismanagement of fuel,
- Inattentive to fuel supply,
- Fuel exhaustion,
- Hidden obstructions,
- Complete failure on one engine,
- Pilot failed to check quantity of fuel in tanks prior to takeoff.
Final Report:

Crash of a Piper PA-61 Aerostar (Ted Smith Aerostar 601P) near New Braunfels: 2 killed

Date & Time: Feb 17, 1979 at 1435 LT
Operator:
Registration:
N9779Q
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
San Antonio – Lake Charles
MSN:
61-0407-143
YOM:
1977
Crew on board:
1
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
1200
Circumstances:
While in cruising altitude on a flight from San Antonio to Lake Charles, the twin engine airplane went out of control, entered a dive and crashed near New Braunfels, Texas. The aircraft was totally destroyed by impact forces and a post crash fire and both occupants were killed.
Probable cause:
Uncontrolled descent and subsequent ground collision after the pilot attempted operation beyond experience/ability level. The following contributing factors were reported:
- Improper IFR operation,
- Suffered a spatial disorientation,
- One day prior to the accident, flight instructor recommended the pilot not to fly IFR till 10 hours additional dual instruction received.
Final Report:

Crash of a Beechcraft C90 King Air in Alief: 1 killed

Date & Time: Jan 16, 1979 at 0800 LT
Type of aircraft:
Registration:
N88CR
Survivors:
Yes
Schedule:
Alief - Alief
MSN:
LJ-514
YOM:
1971
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
1
Captain / Total flying hours:
7389
Captain / Total hours on type:
1442.00
Circumstances:
On approach to Alief-Andrau Airpark in low ceiling (400-600 feet), one of the engine failed. Due to insufficient speed, the airplane stalled and crashed. A pilot was killed while two other occupants were seriously injured.
Probable cause:
Engine malfunction on approach for undetermined reasons. The following contributing factors were reported:
- Failed to maintain flying speed,
- Low ceiling,
- Complete engine failure one engine,
- Visibility one mile or less,
- Weather at airport near Andrau 400 to 600 feet.
Final Report: