Can someone explain this to me?

Tue Feb 02, 1999 12:44 pm

"TWA801 is cleared to Los Angeles International Airport, via Seaview one departure - vector, direct Robbinsville, J-64 Peach Springs, Downe four arrival, flight level 280. After departure, climb - maintain 10,000, expect FL-280 within ten minutes. Squawk 4413, TWA801"
Posts: 955
Joined: Tue May 18, 1999 2:59 am


Tue Feb 02, 1999 2:47 pm

I'd assume that this was a JFK-LAX flight, even though TWA doesn't have a flight 801 right now. This message would be the departure controller's transmission to the plane to confirm its route for the flight. Ordinarily this would be done while the plane was waiting at the gate. Los Angeles is obviously the destination. Seaview One departure would be the name of the published departure route (called SID, or standard instrument departure) that the plane would fly after taking off. It might involve a series of turns in the first few minutes after talkeoff. The pilot has a chart of these turns that he uses like a map. A few minutes after departure, the traffic controller would then "vector" the flight to Robbinsville VOR, which is located in New Jersey about 25 miles southwest of JFK. After reaching the departure waypoint, Robbinsvile, the plane would then intercept the J-64 route, which is a published route between VORs that streches westward. Peach Springs is a VOR in Arizona. After getting there, the flight would intercept the Downe Four Arrival track into Los Angeles. This is like a SID in reverse, called a STAR (standard terminal arrival route). Flight level 280 would be the altitude that the flight would cruise at.

After departure, the plane would climb up to 10,000 feet but hold there until receiving clearence from the ATC controllers to go higher. The squawk code is the transponder signal that is assigned to the flight.


Wed Feb 03, 1999 1:28 am

When the aircraft is holding awaiting clearence to its cruise altitude is this done manualy or using the auto function.

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