ASN logo
Last updated: 29 November 2021
Status:Definitief
Datum:vrijdag 3 mei 1991
Tijd:05:53
Type:Silhouette image of generic B721 model; specific model in this crash may look slightly different
Boeing 727-22QC
Luchtvaartmaatschappij:Ryan Airlines
Registratie: N425EX
Constructienummer: 19095/302
Bouwjaar: 1966-08-09 (24 years 9 months)
Aantal vlieguren:46981
Motoren: 3 Pratt & Whitney JT8D-7B
Bemanning:slachtoffers: 0 / inzittenden: 3
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 0 / inzittenden: 3
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:Hartford-Bradley International Airport, CT (BDL) (   Verenigde Staten)
Fase: Start (TOF)
Soort vlucht:Vracht
Vliegveld van vertrek:Windsor Locks-Bradley International Airport, CT (BDL/KBDL), Verenigde Staten
Vliegveld van aankomst:Boston-Logan International Airport, MA (BOS/KBOS), Verenigde Staten
Beschrijving:
Takeoff was aborted when the no. 3 engine had suffered an uncontained failure. The aircraft burned out.
It appeared that the 9th stage HP compressor disk had ruptured. Debris penetrated fuel, oil and hydraulic lines, causing a fire.

Probable Cause:

PROBABLE CAUSE: "A catastrophic and uncontained failure of the no.3 engine which resulted in a fuel fed fire."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 11 months
Accident number: NYC91FA125
Download report: Summary report

Bronnen:
» Aviation Week & Space Technology 24.06.1991 (68)
» ICAO Adrep Summary 4/94 (#18)
» NTSB
» Scramble Vol.13, nr.03


Veiligheidsmaatregelen

NTSB issued 3 Safety Recommendations

Show all...

Foto's

photo of Boeing-727-22QC-N425EX
accident date: 03-05-1991
type: Boeing 727-22QC
registration: N425EX
photo of Boeing-727-22QC-N425EX
accident date: 03-05-1991
type: Boeing 727-22QC
registration: N425EX
 

Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Windsor Locks-Bradley International Airport, CT en Boston-Logan International Airport, MA bedraagt 145 km (91 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
languages: languages

Share

Boeing 727

  • 1832 built
  • 60e ongeval
» safety profile