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Atlas / NTSB / FTW90FA120

NTSB CAROL · Event

Event FTW90FA120

1990-06-17 OKLAHOMA CITY, Oklahoma, United States Airport · OKC Fatal 1 aircraft Status: Completed

Registry · N26TJ

FAA Aircraft Registry record.

Make / Model

EMBRAER EXECUTIVE AIRCRAFT INC EMB-500

Year of manufacture

2022

Engine

P&W CANADA PW617F1-E

Seats / Engines

6 seats · 2 engines

Last airworthiness date

20220628

ADS-B equipped

Yes — Mode-S A27E56

Registrant of record

ADJACENT AIR LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

FAILURE OF THE PILOT TO RECOVER FROM THE AEROBATIC MANEUVER AND SUBSEQUENT STALL/SPIN, DUE TO INADEQUATE ALTITUDE. FATIGUE MAY HAVE BEEN A RELATED FACTOR.

Factual narrative

THE PLT OF THE RUSSIAN BUILT ACFT WAS PARTICIPATING IN AN AEROBATIC SHOW, OF WHICH, HE WAS THE DIRECTOR. HE HAD RPRTD HE WAS FATIGUED, THAT HE HAD BEEN UNDER CONSIDERABLE PRESSURE & THAT HE MIGHT HAVE TO STOP FLYING IN THE AIRSHOW. DRG THE AIRSHOW, A VERTICAL TORQUE ROLL & TAIL SLIDE WERE PERFORMED. ANOTHER TORQUE ROLL & TAIL SLID WERE THEN MADE THAT RESULTED IN AN INVERTED RECOVERY. FINALLY, ANOTHER TORQUE ROLL & TAIL SLIDE WERE PERFORMED THAT EVOLVED IN A 1-1/2 TURN SPIN. SUBSEQUENTLY, THE ACFT INPACTED THE GND IN ABOUT A 65 DEG DSCNT. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FND THAT WOULD HAVE RESULTED IN THE ACDNT. THE PLT HAD ENGAGED THE SMOKE GENERATOR FOR THE LAST MNVR & SMOKE ENGULFED THE ACFT AS THE TAIL SLIDE BGN. THERE WAS EVIDENCE THE PLT WAS OPERG THE ELEVATOR CTL TO RECOVER BEFORE IMPACT. HE HAD BEEN TAKING A BETA BLOCKER (PROPRANOLOL), WHICH HAD BEEN PRESCRIBED WITH THE WARNING OF NOT TO USE BEFORE FLT. A BLOOD TEST SHOWED 0.15 MCG/ML OF PROPRANOLOL, BUT NO PHYSICAL IMPAIRMENT WAS VERIFIED. DENSITY ALT WAS ABOUT 3800 FT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1990_FTW90FA120.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (stall). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗