Crash-aerien 02 JUN 1990 d'un Boeing 737-2X6C N670MA

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Accident

Last updated: 22 May 2013

Statuts:	Enquête Officielle
Date:	02 JUN 1990
Heure:	09:37 ADT
Type/Sous-type:	Boeing 737-2X6C
Compagnie:	Markair
Immatriculation:	N670MA
Numéro de série:	23121/1025
Année de Fabrication:	1984-05-02 (6 years 1 months)
Moteurs:	2 Pratt & Whitney JT8D-17A
Equipage:	victimes: 0 / à bord: 4
Passagers:	victimes: 0 / à bord: 0
Total:	victimes: 0 / à bord: 4
Dégats de l'appareil:	Détruit
Conséquences:	Written off (damaged beyond repair)
Lieu de l'accident:	12 km (7.5 milles) de Unalakleet Airport, AK (UNK) (Etats-Unis d'Amérique)
Phase de vol:	En approche (APR)
Nature:	Convoyage
Aéroport de départ:	Anchorage International Airport, AK (ANC/PANC), Etats-Unis d'Amérique
Aéroport de destination:	Unalakleet Airport, AK (UNK/PAUN), Etats-Unis d'Amérique
Numéro de vol:	3087

Détails:
The Boeing struck the ground during a runway 14 DME approach, 12km short of the runway. The aircraft skidded a few hundred feet, coming to rest with an engine and the tail section separated.

PROBABLE CAUSE: "Deficiencies in flight crew coordination, their failure to adequately prepare for and properly execute the non-precision approach and their subsequent premature descent."

Sources:
» NTSB/AAR-91/02

Official accident investigation report

investigating agency:	National Transport Safety Bureau (NTSB) - USA
report status:	Final
report number:	NTSB/AAR-91-02
report released:	23-JAN-1991
duration of investigation:	235 days (7.8 months)
download report:	Markair, Inc., Boeing 737-2X6C, N670MA Controlled Flight into Terrain, Unalakleet, Alaska June 2, 1990. (NTSB/AAR-91-02)

Opérations de secours

NTSB issued 4 Safety Recommendations

Show all AD's and Safety Recommendations

Photos

Plan

Ce plan montre l'aéroport de départ ainsi que la supposé destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Anchorage International Airport, AK et Unalakleet Airport, AK est de 625 km (391 miles).

languages:

Issued: 13-FEB-1991	To: FAA	A-91-015
IN CONJUNCTION WITH THE FLIGHT INFORMATION ADVISORY COMMITTEE, AND IN COORDINATION WITH JEPPESEN SANDERSON, INC., ARRIVE AT A STANDARD DEPICTION OF REFERENCE CIRCLES OR DISTANCE RINGS ON INSTRUMENT APPROACH CHARTS. THE DEPICTIONS SHOULD INCLUDE COMMON RADII OR THE NOTATION OF THE RADII ON THE APPROACH CHART AND COMMON CENTERING POINTS FOR THE CIRCLES. (Closed - Acceptable Action)
Issued: 13-FEB-1991	To: MARKAIR, INC.	A-91-016
EXPAND THE MARKAIR COCKPIT RESOURCE MANAGEMENT PROGRAM TO CONFORM TO GUIDELINES IN FAA ADVISORY CIRCULAR 120-51. (Closed - Acceptable Action)
Issued: 13-FEB-1991	To: MARKAIR, INC.	A-91-017
REVISE THE MARKAIR GROUND TRAINING PROGRAMS TO ENSURE THAT ALL PILOTS RECEIVE THE CURRENT 16-HOUR MARKAIR COCKPIT RESOURCE MANAGEMENT TRAINING PRIOR TO PARTICIPATING IN SCHEDULED AIR CARRIER OPERATIONS. (Closed - Acceptable Action)
Issued: 13-FEB-1991	To: MARKAIR, INC.	A-91-018
REVISE THE MARKAIR FLIGHT CHECKLISTS AND TRAINING PROGRAM TO ENSURE THAT BLEED SWITCH DEACTIVATION FOR GRAVEL RUNWAY LANDING ACCOMPLISHED AT SUFFICIENT ALTITUDE SO AS NOT TO BE A DISTRACTION DURING CRITICAL PHASES OF FLIGHT. (Closed - Acceptable Action)