# NTSB MIA91LA202: Cessna A188B, N9541J, Hollandale, MS, July 18, 1991 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: July 18, 1991, 17:45 local (22:45 UTC) - Place: Hollandale, MS - Coordinates: 33.170635, -90.849388 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=33.1706&lon=-90.8494&mi=10 - Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report May 5, 1993 - Report: Approved by Office Director - NTSB case key (mKey): 32916 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA91LA202 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/32916/pdf - Page: https://openairdocs.org/ntsb/MIA91LA202 ## Probable cause OVERLOAD FAILURE OF THE NO. 5 CYLINDER CONNECTING ROD BOLT DUE TO BEING LOOSE FOR UNDETERMINED REASONS. THIS RESULTED IN THE DAMAGE DURING THE FORCED LANDING FOLLOWING TOTAL LOSS OF ENGINE POWER. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Loss of engine power(total) - mech failure/malf, maneuvering - aerial application - engine assembly,connecting rod bolt - loose (cause) - engine assembly,connecting rod bolt - overload (cause) - engine assembly,connecting rod bolt - undetermined (cause) - Forced landing, descent - emergency - Miscellaneous/other, landing - flare/touchdown ## Analysis WHILE MANEUVERING, THE ENG QUIT & THE ACFT WAS DAMAGED DURING THE FORCED LANDING IN A FIELD. EXAM OF THE ENG REVEALED THAT THE NO. 5 CYLINDER CONNECTING ROD CAP SEPARATED. ONE OF THE TWO BOLTS (NO. 1) FAILED DUE TO OVERLOAD. DUE TO DAMAGE TO THE OTHER BOLT (NO. 2), NO DETERMINATION COULD BE MADE AS TO THE REASON FOR THE FAILURE. BOLT NO. 1 WAS EXAMINED & FOUND TO HAVE SIGNATURES ALONG ITS LENGTH. AN UNDAMAGED ROD WAS REMOVED & THE END CAP INSTALLED. THE SIGNATURES OF BOLT NO. 1 WAS COMPARED WITH THE REMOVED ROD & IT WAS DETERMINED THAT THE BOLT WAS LOOSE & THE NUT HAD BACKED OFF APPROXIMATELY 1/2 INCH. REVIEW OF THE ENG LOGBOOK REVEALED THAT IT WAS OVERHAULED ON 09/03/80. THE ROD BOLTS & NUTS WERE REPLACED AT THAT TIME. AT THE TIME OF THE ACCIDENT THE ENG HAD ACCUMULATED APPROXIMATELY 654 HRS SINCE OVERHAUL. NO DETERMINATION COULD BE MADE AS TO THE REASON FOR THE LOOSE ROD BOLT ASSY. ## Aircraft - Registration: [N9541J](https://openairdocs.org/deregistered/N9541J-2001-12-31), registration cancelled 2001-12-31, S/N 18803819T (OpenAirDocs) - Reported make and model: CESSNA A188B - Registry model: [Cessna A188B](https://openairdocs.org/model/cessna-a188b) (registry code 2073005) (OpenAirDocs) - Category: Airplane - Serial number: 18803819T - Airframe hours: 4500 - Engines: LYCOMING IO-720-A1B 400 horsepower reciprocating - Damage: Substantial damage - Fire: On-Ground - Flight: Aerial application, Part 137 - Operator: Planters Flight Service, Inc. - Registered owner: Planters Flight Service, Inc. - Last inspection: Annual, March 3, 1991, 219 hours before ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 40; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 8,000 total, 5,000 in this make and model, 219 in the last 90 days, 90 in the last 30 days, 8 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 225° at 4 knots - Visibility: 5 statute miles - Lowest ceiling: none - Temperature: 84 °F ## 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 19910718032379A](https://openairdocs.org/incident/19910718032379A), Jul 18, 1991: Cessna A188B, Hollindale, MS, Substantial damage. Lost power. Oil on windshield and smoke in cockpit. Crashed. Connecting rod end cap failed from loose bolts. ## Other investigations on N9541J (1) 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. - [NTSB MKC84LA109](https://openairdocs.org/ntsb/MKC84LA109), Mar 22, 1984: Cessna 188B (N9541J), Lake Village, AR, substantial damage 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.