Accident Gates Learjet 35A N780A,
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ASN Wikibase Occurrence # 380811
 
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Date:Tuesday 20 September 1983
Time:08:00 LT
Type:Silhouette image of generic LJ35 model; specific model in this crash may look slightly different    
Gates Learjet 35A
Owner/operator:Aluminum Company Of America
Registration: N780A
MSN: 35A-302
Total airframe hrs:2025 hours
Engine model:GARRETT TFE-731-2-2B
Fatalities:Fatalities: 0 / Occupants: 9
Aircraft damage: Substantial
Category:Accident
Location:Massena, NY -   United States of America
Phase: Landing
Nature:Executive
Departure airport:West Mifflin, PA (AGC
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
PASSENGERS DESCRIBED TOUCHDOWN AS FAST & LONG WITH NO ENG NOISE ASSOCIATED WITH REVERSE THRUST IMMEDIATELY AFTER TOUCHDOWN. THE ACFT RAN OFF THE END OF THE RWY & THE NOSE GEAR SEPARATED. ACCORDING TO THE CREW THE PLT INITIATED THE THRUST REVERSERS AFTER TOUCHDOWN, HOWEVER, THE PINS DID NOT REMOVE & THE THRUST LEVERS WERE RESTORED. AS BRAKING WAS EMPLOYED, THE THRUST REVERSERS WERE RE-INITIATED. THE PINS REMOVED & FULL REVERSE WAS APPLIED. BY THIS TIME THERE WAS INSUFFICIENT RWY REMAINING TO INITIATE A GO-AROUND. THE SQUAT SWITCH RELAY PANEL PREVENTS OPERATION OF THE THRUST REVERSER SYSTEM UNTIL THE SQUAT SWITCHES ARE IN THE GROUND MODE. THE GROUND SPOILERS WERE NOT DEPLOYED.

Probable Cause:

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: NYC83FA249
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB NYC83FA249

Location

Revision history:

Date/timeContributorUpdates
01-Apr-2024 20:41 ASN Update Bot Added

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