Wed, Nov 19, 2008
Releases Timeline Of Near-Miss Incident, Runway Photo
In its continuing investigation of
a September 2008 runway incursion in Allentown,
PA involving a general aviation aircraft and a
Chicago-bound regional jet airliner, the National Transportation
Safety Board issued the following updated factual information
On September 19, 2008, at 7:38 pm EDT, a runway incursion
resulted in a near-collision on runway 6 at the Lehigh Valley
International Airport, Allentown, Pennsylvania. Mesa Air
Shuttle flight 7138, a Canadair CRJ-700 (N506MJ) aborted takeoff at
about 120 knots (138 mph), skidding around a Cessna R172K (N736GV)
that had just landed and was still taxiing on the runway.
The crew of the Mesa Air regional jet estimated the distance
between the two aircraft as 10 feet when they passed. (NTSB
released a photo of the skid marks left by the CRJ, below.)
The Mesa Air flight carried 56 passengers and a crew of four;
the Cessna carried a pilot and two passengers. There was no damage
to either aircraft and no reported injuries. The incident occurred
in night meteorological conditions.
A timeline of the incident events is as follows:
- 7:29:28 - Cessna contacts Allentown tower while about 8 miles
east of the airport.
- 7:33:30 - Cessna, in landing pattern for runway, is cleared to
land on runway 6.
- 7:34:50 - Mesa Air regional jet contacts tower and reports
ready for takeoff and holding short of runway 6. Controller
instructs pilot to hold short of runway 6 for landing traffic.
- 7:36:15 - Cessna crosses threshold of runway 6 and lands.
- 7:36:27 - Mesa Air instructed by tower controller to taxi into
position on runway 6 and hold.
- 7:36:36 - Tower controller asks pilot of Cessna where he
intends to park. Following pilot response, controller provides taxi
directions, instructing pilot to exit runway at taxiway A4.
- 7:37:11 - Mesa Air cleared for takeoff.
- 7:37:18 to 7:37:32 - Controller turns attention to an inbound
aircraft and issues landing instructions.
- 7:37:34 - Cessna pilot informs tower controller that he had
missed the A4 taxiway and asks for permission to exit at taxiway
- 7:37:42 - Controller replies, "...no delay, turn immediately,"
which Cessna pilot acknowledges.
- 7:38:16 - Mesa Air radios tower controller: "We got it, tower -
we're going to need to go back to the gate."
Following the incident, both aircraft taxied to parking. The
Mesa Air crew elected to cancel the flight and have the aircraft
inspected. The Cessna taxied to general aviation parking and
concluded the flight.
Board investigators have interviewed the pilots involved in the
incident, and the air traffic controllers on duty at the time of
the incident as well as the FAA tower managers.
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