# NTSB ATL96LA122: American AA5, N1198D, Crestview, FL, August 20, 1996 - Type: NTSB accident investigation - Classification: Accident · Serious injuries · Limited investigation · Final report - Date: August 20, 1996, 12:35 local (17:35 UTC) - Place: Crestview, FL - Coordinates: 30.749927, -86.569572 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=30.7499&lon=-86.5696&mi=10 - Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping) - Highest injury: Serious injuries - Injuries: 1 serious, 1 minor - Status: Completed, report May 2, 1997 - Report: Approved by Office Director - NTSB case key (mKey): 3755 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL96LA122 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/3755/pdf - Page: https://openairdocs.org/ntsb/ATL96LA122 ## Probable cause the pilot's improper operation of the powerplant controls. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Loss of engine power, climb - weather condition - carburetor icing conditions - powerplant controls - improper use of, pilot in command (cause) - Forced landing, emergency landing - In flight collision with terrain/water, emergency landing ## Analysis The flight instructor stated that he had given the student a simulated engine-out emergency. The student completed the emergency procedure, and had initiated a climb from the low approach when the engine failed to develop power. A 1700-foot long airstrip was selected for the emergency landing. The airplane went off the departure end of the west runway and collided with the ground. During the postaccident examination, the engine was functionally checked. The engine started and operated normally without difficulty. No mechanical problems were noted during the wreckage examination. The review of weather date disclosed that conditions were favorable for the formation of carburetor ice. The flight instructor reported using the carburetor heat. During a subsequent conversation, he stated that the engine was not cleared for more than 2 minutes during the descent for the simulated emergency. ## Factual narrative On August 20, 1996, at 1235 central daylight time, an American AA5, N1198D, collided with the ground during an attempted emergency landing to a grass airstrip three miles east of Crestview, Florida. The instructional flight operated under the provisions of Title 14 CFR Part 91 with a local flight plan filed through Eglin Air Force Base (AFB) flight operations. Visual weather conditions prevailed at the time of the accident. The airplane was substantially damaged; the flight instructor received minor injuries, and the dual student received serious injuries. The flight departed Eglin AFB, Florida, at 1145. According to an official from the Eglin AFB Aero Club, the dual student was receiving familiarization training in the AA5 when the accident occurred. The flight instructor stated that he had given the dual student a simulated engine out emergency. The dual student had completed the emergency procedure, and had initiated a climb from the low approach when the engine failed to develop power. A 1700 foot long airstrip was selected for the emergency landing. The airplane went off the departure end of the west runway, and collided with the ground. During the post-accident examination of the airplane, the engine was functionally check. The engine started and operated normally without difficulty. No mechanical problems were noted during the wreckage examination. The review of weather data disclosed that conditions were favorable for the formation of carburetor ice. The flight instructor initially reported that carburetor heat was used during the flight. But, during a subsequent conversation with a FAA inspector, he stated that the engine was not cleared for more than two minutes during the simulated engine out and emergency descent ( see attached FAA inspector's statement) ## Aircraft - Registration: [N1198D](https://openairdocs.org/deregistered/N1198D-2001-01-22), registration cancelled 2001-01-22, S/N 10156 (OpenAirDocs) - Reported make and model: American AA5 - Registry model: [American General Acft AG5B](https://openairdocs.org/model/american-general-acft-ag5b) (registry code 3990100) (OpenAirDocs) - Category: Airplane - Serial number: 10156 - Airframe hours: 1275 - Engines: Lycoming O-360-A4K 180 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Registered owner: Eglin Afb Aero Club - Airworthiness certificate: Standard, Normal - Departed: KVPS, EGLIN AFB, FL - Flight plan: VFR - Airport: NONE, Sweeney, runway 9, 1,800 × 200 ft, grass/turf ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 41; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane, helicopter; medical: class 1, valid medical--no waivers/lim.; seat: right; flight hours: 4,383 total, 64 in this make and model, 3,778 as pilot in command, 32 in the last 90 days, 3 in the last 30 days, 2 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 100° at 10 knots - Visibility: 7 statute miles - Lowest ceiling: 25,000 ft broken - Temperature: 86 °F, dew point 72 °F - Altimeter: 30.00 inHg - Observed at: KCE, 4 nm away ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19960820023399A](https://openairdocs.org/incident/19960820023399A), Aug 20, 1996: Amrgen AG5B, Crestview, FL, Substantial damage. Practice engine out. Engine failed respond for go around. Failed clear it in glide. Overran runway forced landing. From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.