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Value Absorption
Upgrades rarely add value dollar‑for‑dollar. Market desirability, documentation, and quality of installation determine absorption into appraised value and LTV.
Documentation
- STC paperwork, 337s, logbook entries, serials, and photos.
- Invoices and reputable installer documentation.
- Demonstrate market demand with comps featuring similar mods.
Underwriting Tips
Highlight safety and reliability benefits (e.g., WAAS/LPV, ADS‑B, engine monitoring). Coordinate with appraisers early; see LTV & appraisals.
External: FAA on aircraft modifications · Appraisal Foundation · NBAA