Aviation Accident Summaries

Aviation Accident Summary MKC89FA136

EARLE, AR, USA

Aircraft #1

N3931S

NORTH AMERICAN AT-6D

Analysis

THE PLT WAS PRACTICING HIS ROUTINE FOR AN AIR SHOW THAT WAS TO OCCUR LATER THE SAME DAY. ONE WITNESS RPRTD THE ACFT APCHD THE ARPT FROM THE WEST 'LOW & SLOW' AS IF TO LAND, THEN IT WAS MANEUVERED TO AN INVERTED ATTITUDE OVER RWY 8 AT 50 TO 100 FT AGL. AFTER REMAINING INVERTED FOR A SHORT TIME, THE ACFT WAS ROLLED BACK TO AN UPRIGHT ATTITUDE. HOWEVER, AS THE ACFT ROLLED UPRIGHT, IT ANGLED TO THE RIGHT SIDE OF THE RWY, DESCENDED & CRASHED ON A HDG OF 140 DEG. THE WITNESS SAID THE ACFT SEEMED TO 'SLIP' SIDEWAY AS IT ROLLED TO THE UPRIGHT PSN BEFORE CRASHING. AFTER IMPACT, A FIRE ERUPTED & THE ACFT WAS DESTROYED. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE ACFT WAS FOUND. THE PLT WAS A FORMER ASTRONAUT THAT WAS EMPLOYED BY NASA. HE HAD VISITED WITH A PROMINANT AT-6 PLT & HAD EXPRESSED SPECIAL INTEREST IN THE AT-6 PLT'S ROUTINE INVOLVING INVERTED FLT. THE AT-6 PLT HAD PROVIDED INFO, BUT ADZD THE ASTRONAUT AGAINST PERFORMING ROLLS IN THE AT-6 AT LOW ALT.

Probable Cause and Findings

THE PILOT'S IMPROPER PLANNING/DECISION AND OVER CONFIDENCE IN HIS FLYING ABILITY, WHICH RESULTED IN A LOSS OF CONTROL, WHILE MANEUVERING AT LOW ALTITUDE. THE PILOT'S INADEQUATE ALTITUDE AND AIRPEED WERE CONSIDERED TO BE CONTRIBUTING FACTORS.

 

Source: NTSB Aviation Accident Database

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