World's first 727 makes its final flight

The first Boeing 727 is given a water cannon salute at Seattle's Museum of Flight after completing its final flight on March 2, 2016.

The world's first Boeing 727 passenger jet makes its final flight over Seattle on March 2, 2016.

Crowds line safety barriers as the first Boeing 727 arrives at Seattle's Museum of Flight for its last-ever flight on March 2, 2016.

Pilot Tim Powell, right, and flight engineer Ralph Pascale, left, wave to the crowd following the successful final flight of the first Boeing 727 jetliner. The airplane flew for the first time since 1991 after a 25-year restoration.

The first Boeing 727 rests after its final flight on March 2, 2016 at the Museum of Flight in Seattle.

Co-pilot Mike Scott signs the nose gear door at the Museum of Flight in Seattle after completing the final flight of the first Boeing 727 on March 2, 2016.

Former and current United Airlines employees who had served on the Boeing 727 pose in front of the first of the type. That jet made its final flight, landing at the Museum of Flight in Seattle, Wash. on March 2, 2016.

Crowds gather around the first Boeing 727 at the Museum of Flight in Seattle, Wash after it completed its final flight on March 2, 2016.

The world's first Boeing 727, which first flew in 1963, prepares to make its final landing on March 2, 2016 at Boeing Field in Seattle.

Controls still alight, the cockpit of the first Boeing 727 is emptied for the last time at the Museum of Flight in Seattle on March 2, 2016.

The decidedly retro interior of the first Boeing 727 is seen after its final flight on March 2, 2016 at the Museum of Flight in Seattle.

Former United Airlines flight attendant Peggy Verger points out the hidden door handle on the lavatory door of the first Boeing 727 after its final flight at the Museum of Flight in Seattle on March 2, 2016.

Now quiet, the controls for the forward PA system are seen on board the first Boeing 727 after its final flight at the Museum of Flight in Seattle on March 2, 2016.

Former flight crews that worked on the Boeing 727 take a look into the lavoratory during a post-landing tour at the Museum of Flight in Seattle on March 2, 2016.

The decidedly retro interior of the first Boeing 727 is seen after its final flight on March 2, 2016 at the Museum of Flight in Seattle.

The decidedly retro interior of the first Boeing 727 is seen after its final flight on March 2, 2016 at the Museum of Flight in Seattle.

Former flight crews that worked on the Boeing 727 take a group photo during a post-landing tour at the Museum of Flight in Seattle on March 2, 2016.

Former United Airlines flight attendant Vicki Kiser steps on board the first Boeing 727 during a post-flight tour at the Museum of Flight in Seattle on March 2, 2016.

Former United Airlines flight attendant Kris Seversen walks through the cabin of the first Boeing 727 with former colleagues during a post-flight tour at the Museum of Flight in Seattle on March 2, 2016.

United Airlines Capt. Molly Flanagan, who spent two years flying 727s, steps aboard the first Boeing 727 after its final flight for a post-flight tour at the Museum of Flight in Seattle on March 2, 2016.

Visitors deplane the first Boeing 727 after taking a post-flight tour at the Museum of Flight in Seattle on March 2, 2016.

United Airlines Capt. Molly Flanagan, who spent two years flying 727s, checks out the main landing gear bay of the first Boeing 727 following its final flight at the Museum of Flight in Seattle on March 2, 2016.

Visitors line up to take a tour of the first Boeing 727 after making its final flight at the Museum of Flight in Seattle on March 2, 2016.

The world's first Boeing 727, which first flew in 1963, makes its final landing on March 2, 2016 at Boeing Field in Seattle.

The world's first Boeing 727, which first flew in 1963, makes its final landing on March 2, 2016 at Boeing Field in Seattle.

A cheatline on the rear end of the first Boeing 727 reveals the original moniker of the jet, the "mainliner", as seen at the Museum of Flight in Seattle on March 2, 2016.

Pilot Tim Powell throws a thumbs up to the crowd after completing the final flight of the first Boeing 727 on March 2, 2016, at the Museum of Flight in Seattle.

The distinctive tri-jet tail of the first Boeing 727 rests after its final flight on March 2, 2016, at the Museum of Flight in Seattle.