NTSB Identification: ATL84FKG08.
The docket is stored on NTSB microfiche number 26675.
Accident occurred Saturday, June 23, 1984 in PELL CITY, AL
Aircraft: CESSNA 177RG, registration: N7554V
Injuries: 1 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

DURING THE TAKEOFF SEQUENCE, THE ALTERNATE AIR DOOR HINGE FAILED, ALLOWING THE DOOR TO SEPARATE AND PROGRESSIVELY BLOCK THE INDUCTION AIR SYSTEM TO THE POINT THAT INSUFFICIENT POWER WAS AVAILABLE TO SUSTAIN FURTHER FLIGHT. A FORCED LANDING WAS EFFECTED IN A COW PASTURE. THE ALTERNATE AIR DOOR IS NOT ACCESSIBLE FOR CONDITION INSPECTION UNDER ROUTINE PREFLIGHT PROCEDURES (COWLING REMOVAL REQUIRED).

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

TERRAIN CONDITION..NONE SUITABLE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FUEL SYSTEM,RAM AIR/INDUCTION AIR..BLOCKED(PARTIAL)


Contributing Factors

MISCELLANEOUS..SEPARATION


Contributing Factors

OBJECT..FENCE


Contributing Factors

TERRAIN CONDITION..DITCH


Contributing Factors

AIRCRAFT PREFLIGHT..NOT POSSIBLE..PILOT IN COMMAND

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