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19960608013249A

Accident · Substantial damage
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FAA accident report · Amrgen AA-1C · Custer, SD · June 8, 1996

FAA Aviation Safety Information Portal

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Date
June 8, 1996 · 07:45 local
Place
Custer, SD
Airport
Custer County Airport
Phase of flight
Forced/Precautionary Landing
Operating rules
General operating rules (Part 91)
Damage
Substantial damage
Aircraft
N39048
NTSB investigation
NTSBCHI96LA197
Reported as
Amrgen AA1C
Reported engine
Lycoming O235L2C
People aboard
1
Fatal injuries
0
Pilot’s flight hours
890 total50 in this make and model40 in the last 90 days
N39048Registration cancelled Jan 22, 1999 · Grumman American Avn. AA-1CS/N AA1C0202Airframe modelGrumman American Avn. AA-1C

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

Aircraft descended into an off airport landing after reaching approax 200FT AGL during departure from airport. (.4)after takeoff, the airplane would not climb and began to settle back on the runway. The passenger heard the stall horn come on and off. The pilot made an emergency landing beyond the overrun area. Examination of the engine revealed low compression readings on all cylinders, all four pistons badly scored and burned and leaking exhaust valves. (-23) at approximately 0745 MDT on 06/08/96, pilot departed the Custer County Airport for a pleasure flight to belle fourche, SD. The aircraft had two occupants, temperature was approximately 65 degrees f and cavu with light westerly wind. Aircraft experienced a loss of power and poor climb performance. Pilot elected to make emergency landing to only immmediately available clear area when it appeared that the aircraft would not clear obstacles safely. The landing resulted in substantial damage to the aircraft and minor injuries to the passenger.

As the FAA filed it

AIRCRAFT DESCENDED INTO AN OFF AIRPORT LANDING AFTER REACHING APPROAX 200FT AGL DURING DEPARTURE FROM AIRPORT. (.4)AFTER TAKEOFF, THE AIRPLANE WOULD NOT CLIMB AND BEGAN TO SETTLE BACK ON THE RUNWAY. THE PASSENGER HEARD THE STALL HORN COME ON AND OFF. THE PILOT MADE AN EMERGENCY LANDING BEYOND THE OVERRUN AREA. EXAMINATION OF THE ENGINE REVEALED LOW COMPRESSION READINGS ON ALL CYLINDERS, ALL FOUR PISTONS BADLY SCORED AND BURNED AND LEAKING EXHAUST VALVES. (-23) AT APPROXIMATELY 0745 MDT ON 06/08/96, PILOT DEPARTED THE CUSTER COUNTY AIRPORT FOR A PLEASURE FLIGHT TO BELLE FOURCHE, SD. THE AIRCRAFT HAD TWO OCCUPANTS, TEMPERATURE WAS APPROXIMATELY 65 DEGREES F AND CAVU WITH LIGHT WESTERLY WIND. AIRCRAFT EXPERIENCED A LOSS OF POWER AND POOR CLIMB PERFORMANCE. PILOT ELECTED TO MAKE EMERGENCY LANDING TO ONLY IMMMEDIATELY AVAILABLE CLEAR AREA WHEN IT APPEARED THAT THE AIRCRAFT WOULD NOT CLEAR OBSTACLES SAFELY. THE LANDING RESULTED IN SUBSTANTIAL DAMAGE TO THE AIRCRAFT AND MINOR INJURIES TO THE PASSENGER.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB CHI96LA197Accident · Minor injuriesLimited investigationFinal reportCuster, SDthe pilot did not maintain aircraft control or abort the takeoff. The factors involved were the pilot encountered a stall/mush condition, exhaust valves were leaking, low compression on all cylinders, and all pistons were scored.Jun 8, 1996 · Substantial damage