10 October 1933: A United Air Lines Boeing 247, civil registration NC13304, was on Trip 23, a scheduled transcontinental flight from Newark, New Jersey to Oakland, California, with intermediate stops at Cleveland, Ohio, and Chicago, Illinois. The airliner, which had been in service only six months, was carrying a crew of three with four passengers.
While enroute from Cleveland to Chicago, NC13304 exploded in mid-air. It crashed near Jackson Township, approximately five miles southeast of Chesterton, Indiana. There was a second explosion after the crash. All seven persons aboard were killed.
NC13304, serial number 1685, was the fourth Model 247 to be built. The Boeing 247 is considered to be the first modern airliner because of its all-metal, semi-monocoque construction, cantilevered wing and retractable landing gear. It was 50 mph faster than its contemporaries, and could climb on one engine with a full load. It carried a pilot, co-pilot, flight attendant and up to ten passengers.
The Boeing 247 was powered by two air-cooled, supercharged 1,343.80-cubic-inch-displacement (22.021 liter) Pratt & Whitney Wasp S1H1 nine-cylinder radial engines with a compression ratio of 6:1. The S1H1 was a direct-drive engine. It had a Normal Power rating of 550 horsepower at 2,200 r.p.m., at 8,000 feet (2,438 meters), and 600 horsepower at 2,250 r.p.m for takeoff. The engine was 3 feet, 6.94 inches (1.091 meters) long, 4 feet, 3.75 inches (1.314 meters) in diameter, and weighed 864 pounds (392 kilograms).
The Boeing 247 had a maximum speed of 200 miles per hour (320 kilometers per hour) with a cruising speed of 188 miles per hour (304 kilometers per hour). It had a range of 745 miles (1,200 kilometers) and a service ceiling of 25,400 feet (7,260 meters).
The investigation determined that the airliner’s tail had been blown off by a nitroglycerin bomb which had been placed in the baggage compartment.
The pilots had closed both throttles, turned off the magneto switches and pulled the master switch prior to impact.
This was the first proven case of a commercial aircraft destroyed by sabotage. No suspects or motive for the crime were ever discovered.
30 June 1956: At approximately 10:32 a.m., two airliners, United Airlines’ Douglas DC-7 serial number 44288, Mainliner Vancouver, Civil Aeronautics Administration registration N6324C, and Trans World Airlines’ Lockheed L-1049-54-80 Super Constellation serial number 4016, Star of the Seine, N6902C, were over the Grand Canyon at 21,000 feet (6,400 meters).
Both airliners had departed Los Angeles International Airport shortly after 9:00 a.m. TWA Flight 2 was headed for Kansas City Downtown Airport with 64 passengers and 6 crew members. United Flight 718 was enroute to Chicago Midway Airport with 53 passengers and 5 crew members.
The airplanes were over the United States desert southwest, which, at that time, was outside of radar-controlled airspace. They were flying around towering cumulus clouds to comply with regulations that they “remain clear of clouds.”
The airplanes collided at about a 25° angle. The accident report describes the impact:
“First contact involved the center fin leading edge of the Constellation and the left aileron tip of the DC-7. The lower surface of the DC-7 left wing struck the upper aft fuselage of the L-1049 with disintegrating force. The collision ripped open the fuselage of the Constellation from just forward of its tail to near the main cabin door. The empennage of the L-1049 separated almost immediately. The plane pitched down and fell to the ground. Most of the left outer wing of the DC-7 had separated and aileron control was restricted. . . .”
The Constellation struck the ground near Temple Butte at an estimated 475 miles per hour (765 kilometers per hour). The DC-7’s left wing was so badly damaged that it went into an uncontrolled left spin and crashed at Chuar Butte. All 128 persons on the two airliners were killed.
This, as well as other accidents, resulted in significant changes in the United States air traffic control system.
15 May 1930: Ellen Church became the first airline stewardess, now more commonly titled Flight Attendant, on a Boeing Air Transport flight from Oakland, California, to Chicago, Illinois.
A registered nurse and licensed airplane pilot, Miss Church had approached Steve Simpson at Boeing Air Transport (later, United Air Lines) to inquire about being hired as a pilot. Simpson turned her down.
When her request was denied, she suggested that the airline put registered nurses aboard BAT’s airplanes to care for the passengers. She was hired to recruit and train seven additional women as stewardesses. Because of the cabin size and weight-carrying limitations of those early airliners, they were limited to a height of 5 feet, 4 inches (1.63 meters) and maximum weight of 115 pounds (52.2 kilograms). They were required to be registered nurses, but could not to be more than 25 years old. Their salary was $125.00 per month (approximately $1,755 in 2017 dollars).
Miss Church worked for BAT for about 18 months until she was injured in a car accident. After recovering, she then returned to her career in nursing.
Ellen Evalyn Church was born at Cresco, Iowa, 22 September 1904. She was the second of two children of Gaius Windsor Church, a farmer, and Isabella Johnstone Church, an immigrant from Scotland. After graduating from Cresco High School, Miss Church studied nursing at the University of Wisconsin. She also took flying lessons and became a licensed airplane pilot.
After qualifying as a Registered Nurse (R.N.), Miss Church went to San Francisco, California, where she was employed by The French Hospital. It was while there that she first met Mr. Simpson.
Following her accident in 1932, Ellen Church returned to the University of Wisconsin and graduated with a bachelor’s degree in nursing. By 1936, she had become the Supervisor of Pediatrics at the Milwaukee County Hospital in Milwaukee, Wisconsin. By 1940, she was the hospital’s Nursing Supervisor.
In May 1940, Miss Church was featured in a series of photographs comparing her 1930 stewardess’s Boeing Air Transport uniform to that of a “modern” United Air Lines stewardess. The photos included a new Douglas DC-3 airliner.
Ellen E. Church enlisted in the United States Army, 5 December 1942, entering service at Louisville, Kentucky, the location of the U.S. Army Air Force School of Air Evacuations. She trained as a Flight Nurse and was commissioned as a Lieutenant, Nurse Corps, United States Army Air Forces. She also was responsible for training nurses.
Lieutenant Church was deployed to North Africa on 8 February 1943, caring for soldiers evacuated by air from North Africa and the Mediterranean areas. She served in the combat zones of Tunisia, Sicily, Italy, the invasion of Normandy and the Rhineland. She was promoted to the rank of Captain.
Captain Church returned to the United States, arriving by air aboard a military transport at La Guardia Airport, New York City, New York, 10 September 1944. She was released from military service 18 June 1946.
For her military service, Captain Church was awarded the Air Medal, the European-African-Middle Eastern Campaign Medal with seven campaign stars, and the World War II Victory Medal.
Returning to her civilian career, Miss Church became the Hospital Administrator at Union Hospital, Terra Haute, Indiana.
Miss Church was married to Leonard Briggs Marshall, a bank president, at Indianapolis, Indiana, 11 September 1964.
While riding a horse on 27 August 1965, Ellen Church Marshall fell and suffered a severe head injury. She was taken to Union Hospital, where she died about six hours later. Her remains were buried at Highland Lawn Cemetery, Terre Huate, Indiana.
Ellen Church Field (FAA Location identifier CJJ), an uncontrolled airport 1 mile southwest of her hometown of Cresco, Iowa, was named in her honor.
24 February 1989: At 01:52:49 HST, United Airlines Flight 811 was cleared for takeoff from Honolulu International Airport (HNL), enroute to Auckland International Airport (AKL) and onward to Sydney, Australia (SYD). On board were 337 passengers and 18 crew members. The airliner was under the command of Captain David Cronin, with First Officer Gregory Slader and Second Officer Randal Thomas. The airliner was a Boeing 747-122, serial number 19875, registered N4713U.
16 minutes after takeoff, about 60 miles (97 kilometers) south of Honolulu, the 747 was climbing through an altitude of 22,000 feet (6,705 meters) at 300 knots (345 miles per hour/556 kilometers per hour) when, at 02:09:09 HST, the cargo door on the lower right side of the fuselage, just forward of the wing, failed, blowing outward. Explosive decompression blew a huge hole in the fuselage. Ten passenger seats were carried away along with nine passengers. A flight attendant was nearly lost, but was dragged back inside by passengers and crew.
Debris damaged the two engines on the right wing, causing them to lose power. Flames were visible. Both engines had to be shut down. Flight 811 declared an emergency, began descending and dumping fuel to reduce the airliner’s weight for an emergency landing. The 747 turned back toward Honolulu.
Because the wing had also been damaged, the flaps could not be fully extended and this required a much higher than normal approach speed. The 747 touched down at approximately 200 knots (230 miles per hour/370 kilometers per hour). After coming to a stop, Flight 811 was completely evacuated within 45 seconds. Every flight attendant suffered some injury.
The cause of the cargo door failure was determined to be a faulty design, combine with a short in the 747’s electrical system. The door was recovered by a U.S. Navy deep sea submersible from a depth of 14,100 feet (4,298 meters).
N4713U made its first flight 20 October 1970 and had accumulated 58,814:24 flight hours and 15,027 cycles prior to takeoff from Honolulu. It was repaired at a cost of $14,000,000 and then returned to service, re-registered N4724U. In 1997, 19875 was sold to Air Dabia and assigned registration C5-FBS. It has since been scrapped.
The 747-100 series was the first version of the Boeing 747 to be built. It was operated by a flight crew of three and was designed to carry 366 to 452 passengers. It is 231 feet, 10.2 inches (70.668 meters) long with a wingspan of 195 feet, 8 inches (59.639 meters) and overall height of 63 feet, 5 inches (19.329 meters). The interior cabin width is 20 feet (6.096 meters), giving it the name “wide body.” Its empty weight is 370,816 pounds (168,199 kilograms) and the Maximum Takeoff Weight (MTOW) is 735,000 pounds (333,390 kilograms).
The 747-100 is powered by four Pratt & Whitney JT9D-7A high-bypass ratio turbofan engines. The JT9D is a two-spool, axial-flow turbofan engine with a single-stage fan section, 14-stage compressor (11 high- and 3 low-pressure stages) and 6-stage turbine (2 high- and 4 low-pressure stages). The engine is rated at 46,950 pounds of thrust (208.844 kilonewtons), or 48,570 pounds (216.050 kilonewtons) with water injection (2½-minute limit). This engine has a maximum diameter of 7 feet, 11.6 inches (2.428 meters), is 12 feet, 10.2 inches (3.917 meters) long and weighs 8,850 pounds (4,014 kilograms).
The 747-100 has a cruise speed of 0.84 Mach (555 miles per hour, 893 kilometers per hour) at 35,000 feet (10,668 meters). The maximum certificated operating speed is 0.92 Mach. The airliner’s maximum range is 6,100 miles (9,817 kilometers).
The Boeing 747 has been in production for 48 years. More than 1,520 have been delivered to date. 205 of these were the 747-100 series. The U.S. Air Force has selected the Boeing 747-8 as the next presidential transport aircraft.
Captain David M. Cronin died 6 October 2010 at the age of 81 years.
9 February 1963: Boeing’s Chief Test Pilot, Samuel Lewis (“Lew”) Wallick, Jr., made the first flight of the prototype Boeing Model 727 jet airliner, N7001U (c/n 18293), from Renton Municipal Airport, Renton, Washington. Richards Llewellyn (“Dix”) Loesch, Jr., was the airliner’s co-pilot, and Marvin Keith (“Shuly”) Shulenberger was the flight engineer.
The 727 remained airborne for 2 hours, 1 minute, and landed at Paine Field, Everett, Washington.
N7001U had been rolled out at Renton 27 November 1962. It was painted lemon yellow and copper-brown, similar to the paint scheme of the Model 367-80 prototype, eight years earlier.
After completing the flight test and certification program, N7001U was delivered to United Air Lines, 6 October 1964. United operated N7001U for 27 years before retiring after 64,495 flight hours, and 48,060 takeoffs and landings. In 1991, the airline donated the 727 to The Museum of Flight, Seattle, Washington. N7001U has been restored and is currently on display. According to the Museum, United purchased the 727 for $4,400,000, and during its service life, it generated more that $300,000,000 in revenue.
The Boeing 727 is a swept-wing, three-engine, medium-range jet airliner intended for operations at smaller airports than could be serviced by the 707. It was operated by a flight crew of three and could carry up to 131 passengers. The airliner was 133 feet, 2 inches (40.589 meters) long with a wingspan of 108 feet (32.918 meters) and overall height of 34 feet, 3 inches (10.439 meters). Empty weight was 87,696 pounds (39.8000 kilograms) and maximum ramp weight was 170,000 pounds (77,200 kilograms).
Power was supplied by three Pratt & Whitney JT8D-series turbofan engines rated from 14,000 to 14,500 pounds of thrust (62.275–64.499 kilonewtons), depending on the specific version. The JT8D was a two-spool engine with a 2-stage fan section, 13-stage compressor (6 low- and 7 high-pressure stages), nine combustion chambers and a 4-stage turbine (1 high- and 3 low-pressure stages). The JT8D-1 was 3 feet, 6.5 inches (1.080 meters) in diameter, 10 feet, 3.5 inches (3.137 meters) long, and weighed 3,096 pounds (1,404 kilograms). Two of the engines were in nacelles at either side of the aft fuselage, and the third was mounted in the tail. Its intake was above the rear fuselage at the base of the vertical fin.
The 727s were very fast airliners with a maximum speed of 632 miles per hour (1,017 kilometers per hour). The maximum cruise speed was 570 miles per hour (917 kilometers per hour) or 0.92 Mach. (During testing, a 727 achieved 0.965 Mach in level flight.) The service ceiling was 36,100 feet (11,003 meters) and the range was 3,110 nautical miles (5,005 kilometers).
Boeing had expected to sell approximately 250 727s. (200 were needed for the manufacturer to cover its costs.) In production from 1962 to 1984, Boeing built 1,832 Model 727s, making it one of the most successful airliners in history.