Aircraft Accident Investigation Report

11 not be ascertained from the records provided. The engine manufacturer’s recommended time between overhaul (TBO) is 2000 hours or 12 years. 1.6.2 Propeller The propeller fitted to the aircraft was manufactured by McCauley Propeller Systems under Production Certificate No. 3 as Model 1C160/DTM7557M1 and certified under Type Certificate P-910. Propeller Serial Number 725953 was fitted to the aircraft, no Authorized Release Certificate had been provided by the operator for this propeller. The Propeller records reflect that the propeller was fitted to the aircraft on October 26, 2015 at a stated Propeller Total Time of 751.3 hours. The time since last propeller overhaul or calendar time since last propeller overhaul could not be ascertained from the records provided. The propeller manufacturer’s recommended time between overhaul (TBO) is 2000 hours or 72 calendar months whichever comes first. 1.6.3 Fuel The fuel type onboard the aircraft was 100LL/100 minimum grade aviation gasoline which is the fuel authorized by the aircraft manufacturer. The amount of fuel onboard the aircraft prior to take-off was 33 gallons, the fuel distribution was 15 gallons in the left wing tank and 18 gallons in the right wing tank. 1.6.4 Maintenance Program The aircraft was being maintained under a maintenance program approved by the Jamaica Civil Aviation Authority for a similar Textron Aviation Inc. aircraft, Model: 172N, Serial No. 17272213, Reg. No. 6Y-JCH which was on the Jamaican aircraft registry. There were a number of Corrosion Prevention and Control Program Inspections introduced by Temporary Revision No. 7 of the Service Manual for the aircraft, dated December 1, 2011 which were itemized in the Special Inspection & Yearly Items Record in the ADLOG Aircraft Maintenance Records, however, there was no entry made in these records or “dirty finger print paperwork” provided by the operator for a number of these inspections to reflect that they were accomplished. Examples of these include Inspection Operation No. 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 15, 16, 17, 19, 21, 22, 23, 24 & 26. 1.6.5 Airworthiness Directives The Airworthiness Directive (AD) records presented for the aircraft were found to be incomplete. Compliance for a number of engine AD’s could not be confirmed, some of them had a compliance date listed as September 1, 2007, however the engine records state that engine S/N L-3872-76 was installed on October 16, 2015, another AD record indicated compliance for a different engine serial number. 1.6.6 Special Inspection Items The maintenance records presented reflect that the Pitot/Static Check and Transponder checks were last accomplished on August 18, 2014. In accordance with the United States Code of Federal Regulations 14 CFR Part 91. 411 & 91.413, these tasks are due every 24 calendar months.