NTSB Identification: FTW85FA012.
The docket is stored on NTSB microfiche number 26726.
Accident occurred Saturday, October 13, 1984 in PORT ISABEL, TX
Aircraft: Consolidated-Vultee PBY-6A, registration: N16KL
Injuries: 7 Fatal,3 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

AERIAL PHOTOS WERE BEING TAKEN OF THE MISHAP ACFT. MISSION CALLED FOR A SIMULATED WATER LNDG (ACTUAL WATER LNDG PROHIBITED) BY FLYING AS CLOSE AS POSSIBLE TO WATER. CO-PLT AT CONTROLS DESCENDED ACFT TO ABOUT 6 FT, THEN GRADUALLY REDUCED CLRNC TO 6-12 INCHES ABOVE WATER, AIRSPD 105 MPH. CO-PLT INADVERTANTLY ALLOWED ACFT TO TOUCH WATER. ON TOUCHDOWN, ACFT DECELERATED VIOLENTLY AND BROKE UP, EJECTING SEVERAL OF THE OCCUPANTS AND COMING TO REST INVERTED. EXAMINATION OF AERIAL PHOTOS SHOWS ACFT HULL AT TOUCHDOWN WAS SLIGHTLY NOSE DOWN VICE NORMAL LNDG ATTITUDE; WATER CONTACT MADE AT LOCATION OF NOSE LNDG GEAR DOORS. PHOTOS SHOW OUTWARD RUPTURING OF FWD HULL STRUCTURE, NOSE GEAR DOORS MISSING. HULL AT REAR OF STEP SHOWED TWO PARALLEL, 3-FT LONG BY 2-IN WIDE, FORE-TO-AFT AND OUTBD-TO-INBD PENETRATIONS. FLOOR OF SHALLOW LAGOON KNOWN TO HAVE SCATTERED DEBRIS FROM PETROLEM EXPLORATIONS; HOWEVER, NO POSITIVE DETERMINATION OF ACFT CONTACT WITH SUBMERGED OBJECT COULD BE MADE.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

CLEARANCE..MISJUDGED..COPILOT/SECOND PILOT

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

SUPERVISION..INADEQUATE..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

DOOR,LANDING GEAR..OVERLOAD

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

DOOR,LANDING GEAR..SEPARATION


Contributing Factors

TERRAIN CONDITION..WATER,GLASSY

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