Cessna 210B N9757X

Summary

On 22 September 2004 at about 22:48 local time, a Cessna 210B registered N9757X, operated by Brett M. Waisnor, was involved in an accident near Flagstaff, Arizona, United States. 2 people were on board and one had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

22 September 2004 at 22:48

Classification

Accident

Location

Flagstaff, Arizona, United States

Nearest airport

Flagstaff Pulliam Airport (FLG)

Coordinates

35.1386, -111.6711

Aircraft

Cessna 210B

Registration

N9757X

Category

Airplane

Engines

1

Operator

Brett M. Waisnor

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Flagstaff → Phoenix

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

LAX04LA328

1 person had minor injuries.

the pilot's improper leaning procedures and delayed decision to abort the takeoff when it became obvious that the engine was not developing full power. A factor in the accident was the pilot's decision to use a runway with a quartering tailwind.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

The airplane went over an embankment at the departure end of the runway and nosed over after the pilot aborted the takeoff. The pilot elected to takeoff with a quartering tailwind on the 6,900-foot-long runway in spite of the tower controller offering the pilot the use of the opposite runway. Witnesses indicated that the airplane lifted off the ground with 2,000 feet of runway remaining. The engine sounded as if it was not producing full power and was heard to be surging or revving up and down. The pilot noted that after liftoff the airplane would not climb over 20-25 feet above the runway and he elected to abort the takeoff and touched down with approximately 500 feet of runway remaining. According to the pilot, he adjusted the mixture for peak engine revolutions per minute before takeoff. The fuel flow indicator has white radial markings denoting the best power fuel flow for different field elevations. The recommended procedure noted in the airplane's owner manual informs the pilot that he/she should utilize the fuel flow indicator and adjust the fuel flow to that which corresponds to the field elevation marked on the face of the dial. However, the owner's manual was not in the airplane, and the pilot was utilizing a checklist that did not have the information for a high performance takeoff. The airport elevation was 7,001 feet mean sea level. The density altitude was calculated as 8,461 feet. Post-accident examination of the engine revealed that its spark plugs were dark black in color, which is consistent to an excessively rich mixture setting. Following installation of a serviceable propeller, the engine was started and exercised through out it's normal power range with no anomalies noted.

Quoted verbatim from the NTSB record.