FOR IMMEDIATE RELEASE: June 11, 2002 SB-02-17
NTSB CITES PILOTS ACTIONS, FAA NOTAM IN ASPEN CHARTER AIRPLANE ACCIDENT
Contributing to the accident was the Federal Aviation Administrations (FAA) unclear wording of a Notice to Airmen (NOTAM) regarding the nighttime restriction of the VOR/DME-C approach to the airport. Also cited as contributing factors were the inability of the flight crew to adequately see the mountain terrain because of the darkness and weather conditions, the pressure from the charter customers for the captain to land the airplane, and the delayed departure of the airplane from California, causing the flight to arrive at sunset during the airports nighttime landing restrictions.
On March 29, 2001, a Gulfstream III owned by Airbourne Charter, Inc. and operated by Avjet Corporation of Burbank, California, with 15 passengers, 2 pilots and 1 flight attendant, crashed on final approach to runway 15 at Aspen-Pitkin County Airport (ASE). The airplane crashed into sloping terrain about 2,400 feet short of the runway threshold. All persons aboard the aircraft died.
The Safety Boards investigation determined the following facts: (1) the
flight crew descended below the minimum descent altitude even though the airplane
maneuvers and comments on the cockpit voice recorder indicated that neither
pilot had established nor maintained visual contact with the runway or its environment;
(2) the flight crew did not discuss a missed approach after receiving a third
report of a missed approach to the airport and a report of deteriorating visibility
in the direction of the approach course; and (3) a copy of the FAA issued NOTAM
on March 20, 2001, stating circling not authorized at night for runway
15 at Aspen had not been sent to the Aspen tower. Without knowledge of
the NOTAM, the approach controller cleared the flight crew for the VOR/DME-C
instrument approach procedure.
Following the accident, the FAA became concerned about potential pilot confusion
regarding the wording of the NOTAM -- specifically, that pilots might infer
that straight-in landings to runway 15 were authorized at night. On March 30,
2001, a revised NOTAM was issued stating, procedure not authorized at
night.
In light of the fact that in mountainous terrain night conditions can exist
prior to sunset due to the geography and ambient lighting conditions, the Safety
Board issued an emergency Safety Recommendation on April 15, 2002 asking the
FAA to:
Revise any restrictions and prohibitions that currently reference or address night or nighttime flight operations in mountainous terrain so that those restrictions and prohibitions account for the entire potential period of darkness or insufficient ambient light conditions, and establish a method to clearly communicate to flight crews when such restrictions and prohibitions apply.
Following todays Board meeting, the Safety Board made the following recommendation to the FAA:
Revise 14 Code of Federal Regulations Part 135 to require on-demand charter operations that conduct operations with aircraft requiring two or more pilots to establish a Federal Aviation Administration approved crew resource management training program for their flight crews in accordance with 14 CFR Part 121, subparts N and O.
The complete report will be available on the website in about one month. Printed copies of the report may be purchased later this spring from the National Technical Information Service (NTIS) (800) 553-NTIS.
Media Contact: Terry N. Williams
(202) 314-6100
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