skills/sector-analysis/references/modules/M076-aerospace-and-defense-analyst-playbook.md

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<!-- Module: 076 | Title: Aerospace and Defense Analyst Playbook -->

## PART XV - SECTOR PLAYBOOKS | MODULE 076

# Aerospace and Defense Analyst Playbook

> Mission. Build a sector-specific research system for Aerospace and Defense that converts operating data into financial outcomes, highlights the accounting areas most likely to distort comparability, and selects valuation methods that reflect the sector's economics.

## Economic engine and binding constraints

Model backlog quality, funded versus unfunded demand, production rates, learning curves, customer advances, milestone payments, contract mix, loss provisions, and supplier bottlenecks. Cash timing can diverge materially from accounting profit.

## Primary KPI stack

| KPI | Construction / analyst control |
| --- | --- |
| bookings | Value of customer commitments accepted during the period under the company's booking policy, net of cancellations where disclosed. Validation: Reconcile beginning balance + additions - revenue/shipments - cancellations/adjustments to ending balance where data allow; verify cancellation rights, timing, and definition changes. |
| backlog | Contracted or awarded revenue not yet recognized, using the issuer's disclosed backlog definition and separating cancellable/undedicated amounts when possible. Validation: Reconcile beginning balance + additions - revenue/shipments - cancellations/adjustments to ending balance where data allow; verify cancellation rights, timing, and definition changes. |
| funded backlog | Backlog supported by appropriated/authorized customer funding divided by total backlog; particularly relevant for government/defense programs. Validation: Reconcile beginning balance + additions - revenue/shipments - cancellations/adjustments to ending balance where data allow; verify cancellation rights, timing, and definition changes. |
| delivery rates | Units, aircraft, systems, or program milestones delivered per month/quarter relative to planned schedule and contractual commitments. Validation: Recalculate from same-scope numerator and denominator; confirm period, units, cohort/geography, and issuer definition; reconcile material differences to filings or operating data. |
| aftermarket mix | Aftermarket/service revenue or gross profit divided by total revenue or gross profit for the relevant installed-base business. Validation: Recalculate from same-scope numerator and denominator; confirm period, units, cohort/geography, and issuer definition; reconcile material differences to filings or operating data. |
| program margin | program margin = relevant profit or cash-flow numerator / relevant revenue base, using a consistent definition. |
| cash conversion | Cash conversion cycle = DSO + inventory days - DPO |
| R&D | Research and development expense, plus material capitalized development when applicable, divided by revenue or analyzed by absolute spend and program mix. Validation: Tie the dollar measure to filed statements/footnotes; reconcile classification adjustments, one-time items, acquisitions/FX, and period consistency before using it analytically. |



## Sector-specific accounting and comparability traps

- Contract accounting: reconcile issuer treatment with peer treatment and quantify the effect on reported growth, margin, cash flow, capital, or valuation before comparing outputs.

- Loss reserves: reconcile issuer treatment with peer treatment and quantify the effect on reported growth, margin, cash flow, capital, or valuation before comparing outputs.

- Pension: reconcile issuer treatment with peer treatment and quantify the effect on reported growth, margin, cash flow, capital, or valuation before comparing outputs.

- Customer advances: reconcile issuer treatment with peer treatment and quantify the effect on reported growth, margin, cash flow, capital, or valuation before comparing outputs.

- Program charges: reconcile issuer treatment with peer treatment and quantify the effect on reported growth, margin, cash flow, capital, or valuation before comparing outputs.

## Valuation frameworks

- EV/EBITDA: enterprise value divided by normalized EBITDA; adjust leases, pensions, minorities, recurring restructuring and capital intensity before peer comparison.

- P/E: common equity value per share divided by normalized diluted EPS; normalize taxes, one-time items, dilution, cyclicality, and non-operating income.

- FCF yield: normalized levered free cash flow divided by equity value; reconcile SBC, working capital, maintenance capex, taxes, and cycle before comparing companies.

- Sum-of-the-parts: value each economically distinct segment with its appropriate framework, then subtract corporate costs and all non-common claims before deriving equity value.

## Sector diligence questions

- What is the most important leading indicator for Aerospace and Defense, and how many months does it lead reported revenue or cash flow?

## Sector stress and falsification

- Stress bookings and backlog together in the direction most likely to break the equity story; flow the result through working capital, capex, liquidity, financing, dilution, and valuation.

- Explicitly test contract accounting. Determine whether it can make the reported sector comparison look better or worse without equivalent economic change.

## 99-point standalone execution extension

### Model architecture and forecast chain

Model program units, shipsets, content per platform, backlog, production rates, aftermarket flight hours, contract type, cost curves, and government budgets.

### Leading-indicator dashboard

Track OEM build rates, supplier deliveries, engine removals, flight hours, defense appropriations, contract awards, program milestones, and quality/regulatory actions.

### Primary-source map

SEC filings; FAA certification and airworthiness material; U.S. DoD budget and contract awards; prime/OEM production-rate disclosures; Bureau of Transportation Statistics and flight-hour data.

### Accounting normalization test

Program accounting, loss reserves, customer advances, pension, cost-to-complete estimates, and supplier concessions require deep footnote work.

### Valuation implementation

Use DCF, EV/EBIT, FCF yield, and SOTP. Value long-cycle defense backlog differently from commercial aftermarket and new-platform ramps.

### Worked numerical mini-case

> Illustrative program case.

A supplier has $1.5m content per aircraft at 40 monthly shipsets. A planned ramp to 50 implies $180m additional annual revenue before scrap, learning curve and supplier constraints. If actual deliveries cap at 44, the model must use the constrained rate.

For fixed-price programs, pair volume upside with cost-to-complete and loss-reserve sensitivity.

### Monitoring and falsification cadence

Breaks include certification/quality failure, supplier bottlenecks, program cancellation, fixed-price cost overrun, or production-rate assumptions that exceed supply-chain capability.

At every quarterly update, rebuild the driver bridge from operating units to revenue, margin, cash flow and valuation; compare leading indicators with the prior forecast; record definition changes; and precommit the threshold that would trigger a thesis reset rather than a cosmetic estimate change.

## Sector exit standard

The Aerospace and Defense work is complete only when the analyst can explain the business in its native operating units, reproduce the KPI history, identify the binding growth constraint and marginal price setter, normalize sector-specific accounting, quantify a coherent adverse case, and translate the current market price into the operating expectations that must be met or exceeded.