Part 135 onboarding
Records review before adding an owner aircraft to a Part 135 certificate
operators, owners use this review when management contract adding an aircraft to charter use makes adding aircraft to Part 135 certificate records a decision item. The work checks prior Part 91 records, inspection currency, AD status, maintenance program fit, conformity file readiness, and owner records custody against source evidence and the current status file. A discrepancy exists when an owner aircraft cannot support the records position needed before the operator commits it to charter certificate use. The buyer receives an accept or remediate records verdict, conformity file request list, and owner action register for acceptance, pricing, audit, or remediation decisions.
When this review is needed
- A charter operator is deciding whether to add an owner aircraft.
- The owner expects revenue flying before records condition is known.
- Prior private-use records are informal or incomplete.
- Conformity review timing depends on document readiness.
The problem
The operator inherits practical records exposure when the aircraft enters charter use. Before committing to the owner, the operator needs to know whether prior records prove inspection status, AD closure, and conformity file readiness.
What gets reviewed
- Review prior maintenance records for continuity and inspection currency.
- Verify AD status against source accomplishment records.
- Compare current inspection position to the program the aircraft will operate under.
- Identify documents likely to be requested during conformity review.
- Separate owner recoverable gaps from operator acceptance blockers.
Scope this review
Tell us the asset, the event, and the evidence in scope, and we will outline a focused first engagement.
Send a representative, redacted record set and we will scope the review.
What gets validated
- Pass when inspection status and AD closure are supported by prior records.
- Fail when Part 91 records cannot prove the maintenance position claimed by the owner.
- Check that conformity file items are available before scheduling review.
- Reject acceptance where owner custody prevents timely source document access.
Evidence normally required
- Owner maintenance records package
- Inspection and AD status reports
- Maintenance program comparison notes
- Conformity document request list
- Release and repair records
Common discrepancies
- Inspection status shown in a summary without source work pack support.
- AD status entry missing accomplishment evidence.
- Owner records access depends on a third party not engaged in onboarding.
- For this review, conformity file missing records needed before the planned review date.
What is at stake
A weak records file can slip the conformity schedule, delay revenue flying, or force the operator to remediate owner records it did not price. The operator may also decide that records condition makes the contract unattractive.
How the work runs
Frame Adding Aircraft
Confirm the exact event, affected file set, buyer role, and decision standard before any prior part 91 maintenance records is treated as sufficient.
Trace 135 Certificate
Walk the named evidence from index entry to source artifact and mark where the trail supports, conflicts with, or fails to answer the page-specific question.
Sort Review Add
Group exceptions by closure route: document retrieval, data correction, engineering disposition, authority response, or contractual decision.
Package Onboarding Conformity
Deliver the exception list, evidence map, and owner sequence in a form that can move directly into remediation, submittal cleanup, or transaction negotiation.
What the buyer receives
- Part 135 add records readiness verdict
- For this review, conformity file gap register
- Owner remediation request list
- Operator acceptance risk note
Who uses the output
- Director of maintenance uses the output to set acceptance conditions.
- Certificate holder principal uses the output to request missing evidence.
- Aircraft owner uses the output to price or schedule remediation.
How the work fits into the transaction or program
A charter operator's director of maintenance deciding whether to add a managed aircraft to the certificate needs the records verdict first: accept now, remediate first, or decline the contract; the aircraft's prior Part 91 records against 91.417, inspection currency against the program the aircraft will operate under, AD status verification, and the documentation the FSDO conformity process will examine before the tail is listed. The evidence set centers on the aircraft's prior Part 91 records against 91.417, inspection currency against the program the aircraft will operate under, AD status verification, and the documentation the FSDO conformity process will examine before the tail is listed. The likely weak points are informally kept Part 91 records that cannot demonstrate inspection status, a conformity date that slips while the owner expects revenue flying, and the operator inheriting the prior records culture as its own compliance exposure. Handoff: director of maintenance, management contract adding an aircraft to charter use, Records review before adding an owner aircraft to a Part 135 certificate.
Start with a single asset
Reconcile maintenance tracking against the underlying records.
Jurisdiction-specific considerations
The package is organized so FAA records references are visible without claiming automatic acceptance across authorities. Where a receiving reviewer needs a different format, the same source record is mapped to that review question.
Regulatory limits
This adding aircraft to Part 135 certificate review is a records completeness and traceability assessment. It does not issue approvals, make airworthiness determinations, approve maintenance, or guarantee acceptance by FAA; those decisions remain with the operator, authorized persons, and the relevant authority.
What this review does not cover
- Physical inspection of the aircraft, engine, component, or part condition.
- Regulatory applications, authority submissions, or approval issuance.
- Legal interpretation of lease, loan, purchase, insurance, or support agreement remedies.
Specific to this review
- The key decision is commercial and operational: accept now, remediate first, or decline.
- Informal owner records practices can become the operator records problem once the aircraft is added.
- For this review, conformity timing should be set after records readiness, not before.
- The scope uses the Adding Aircraft Part 135 question as the control point, so the review stays tied to management contract adding an aircraft to charter use and the buyer decision behind it.
- The evidence starts with Prior Part 91 maintenance records and follows Certificate Records Review Add references until every exception has a source location and a reason code.
- The finding logic separates missing paperwork, conflicting status, stale revision data, and unsupported disposition because each class closes through a different owner.
- The timing matters for Director of maintenance: the output is useful only if the unresolved items are visible before acceptance, submittal, handback, or negotiation pressure fixes the sequence.
- The boundary control keeps Owner Onboarding Conformity Verify questions in the records or certification lane and sends technical acceptance issues to the authorized people who own them.
- The handoff value comes from Part 135 add records readiness verdict; it gives the next reviewer a precise map instead of another broad request for a better file.
- The source discipline is stricter on this page than on a general audit because the claim being tested is Verify an inbound aircraft's records before committing it to a Part 135 certificate conformity process..
Sources
U.S. Government (eCFR). Maintenance recordkeeping and retention requirements for Part 135 operators.
U.S. Government (eCFR). Records an owner or operator must keep, including total time in service, current status of life-limited parts, and AD compliance.
Federal Aviation Administration. FAA guidance on making and keeping maintenance records and acceptable recordkeeping practices.
Frequently asked questions
What makes this workflows review different from a general file audit?
The scope is tied to adding aircraft part 135 and to the decision named in the request. A general audit can list weak records; this pass ranks the gaps by whether they block management contract adding an aircraft to charter use or can be closed later without changing the decision.
What evidence has to be available before this work starts?
The starting point is prior part 91 maintenance records, the current status source, and any index or matrix that tells reviewers where the supporting artifact should live. Missing inputs are logged as findings rather than filled with assumptions.
Who decides whether an open item is acceptable?
The review explains what the evidence supports and gives director of maintenance a closure path. Acceptance remains with the buyer, operator, authority, delegated engineer, or authorized person responsible for the underlying airworthiness or certification decision.
Relevant glossary terms
Related pages
Where this fits
Talk to an engineer who has done this work
We will walk through your current state, the records or evidence involved, and a scoped first engagement.
Talk through the aircraft, records, evidence, deadline, and next useful step.