Airbus A220 family weight and balance records review

When this review is needed

• An A220 is being accepted and the current weight and balance statement has to be shown to trace to a weighing.
• A cabin reconfiguration or equipment change campaign has moved the empty weight and the records need reconciling.
• A lessor is packaging an aircraft for redelivery and the balance history must be complete and supported.
• Two operators' weight records disagree and the receiving side needs one defensible statement.

The problem

The weight and balance statement is a single number the whole loading system trusts, but it is the running sum of a weighing plus every equipment change since, and that chain breaks quietly. An interior swap or a connectivity install adjusts the empty weight by a computed delta, and if the amendment is entered without the change record behind it, the statement drifts from any weighing that actually happened. On a fleet that has changed hands, the last real weighing can be several configurations back.

What gets reviewed

• The current weight and balance statement reconciled against the last recorded weighing
• Each empty-weight amendment tied to the equipment change or modification that produced it
• The basic empty weight and CG history rebuilt from weighing to current statement
• Equipment removals and installations checked for a matching weight and moment adjustment
• Loading documents and the statement checked for internal consistency
• Gaps where an amendment exists with no supporting change record identified

What gets validated

• The current empty weight equals the last weighing adjusted by every recorded change since
• Each amendment on the statement has an equipment change or modification record behind it
• The weighing report itself is complete, dated, and attributable to this airframe
• Equipment removed or installed shows a corresponding weight and moment entry
• The CG position on the statement is consistent with the recorded configuration

Evidence normally required

• The current weight and balance statement for the airframe
• Weighing reports on file, including the most recent actual weighing
• Equipment change and modification records that affected weight or CG
• Cabin configuration and loading documents
• The basic empty weight history or amendment log

Common discrepancies

• An empty-weight amendment entered with no equipment change record supporting the delta
• A cabin reconfiguration reflected in the statement but not in a dated weighing or computed adjustment
• The last actual weighing predating one or more configuration changes on the current statement
• A CG figure that does not agree with the installed configuration of record

What is at stake

A statement that does not trace to a weighing and to each change is a number the receiving operator cannot defend, and the usual remedy is an out-of-cycle reweigh that costs a slot and a hangar. Left unaddressed, the drift compounds with the next modification, and a balance figure that was merely unsupported becomes one that is provably wrong once someone reconciles it against the change history.

How the work runs

What the buyer receives

• An exception list of amendments and figures that do not trace to a weighing or a change record
• A source map linking the current statement to each weighing and equipment amendment
• A closure plan identifying whether a reweigh or a records reconstruction closes each gap

Who uses the output

• Asset managers accepting the aircraft who need a defensible empty weight and CG
• Records teams reconciling the balance history before a transition or after a campaign
• Loading and performance staff who rely on the statement being supported

How the work fits into the transaction or program

The weight and balance review feeds any activity that trusts the empty weight, from acceptance to performance planning. It settles the balance history before a modification campaign adds another amendment, and it gives a transition team a statement they can carry forward without ordering a precautionary reweigh.

Aircraft-specific considerations

A220 cabins are reconfigured for operator branding and seat count more readily than the airframe age suggests, and each change drives a computed weight and CG adjustment that the records must carry. Because the type is young, the delivery weighing is usually on file, which means the review often turns on whether every post-delivery amendment traces cleanly rather than on finding the original weighing.

Jurisdiction-specific considerations

Weighing intervals and the acceptable form of the weight and balance statement differ between FAA and EASA oversight, so a fleet moving between them can carry a statement that was compliant under one framework and needs re-expressing under the other. The review notes where the format or the weighing currency will not satisfy the receiving authority.

Regulatory limits

The review confirms that the weight and balance records trace to their sources. It does not perform or approve a weighing, does not issue an airworthiness determination, and does not replace the operator's acceptance of the statement onto its program.

What this review does not cover

• Performing an actual weighing of the aircraft
• Recalculating performance or loading limits from the corrected statement
• Approving the weight and balance statement for operational use

Specific to this review

• The empty weight on the statement is only as good as the chain from the last weighing forward, and one undocumented amendment breaks that chain.
• A young A220 usually has its delivery weighing on file, so the exposure is in the amendments layered on top, not a missing original.
• Cabin reconfigurations on this type produce computed deltas that must be recorded even when no reweigh is done, and that entry is easy to omit.
• A statement can be arithmetically self-consistent yet still wrong if an amendment lacks the change record that justifies it.

Sources

Frequently asked questions

Relevant glossary terms

Related pages

Where this fits