---
schema_version: "secwatch.filing_event.v1"
accession: "0001018164-24-000107"
form_type: "8-K"
ticker: "WLFC"
cik: "0001018164"
company_name: "WILLIS LEASE FINANCE CORP"
filed_at: "2024-12-19T23:59:59+00:00"
generated_at: "2026-05-29T00:49:21.437426+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Willis Lease buys nine Pratt & Whitney GTF engines for ~$200M; deliveries by year-end 2024

## Summary
- Purchase of nine PW1133G-JM engines from Pratt & Whitney valued at approx. $200 million at 2024 list prices.
- All purchases expected to close by December 31, 2024.
- GTF engines offer up to 20% better fuel efficiency vs prior gen and are certified for 50% SAF.
- Willis CEO cites alignment with growth strategy and long-term fleet modernization.
- Pratt & Whitney is a subsidiary of RTX (NYSE: RTX).

## SEC filing metadata
- accession: 0001018164-24-000107
- form_type: 8-K
- ticker: WLFC
- cik: 0001018164
- company_name: WILLIS LEASE FINANCE CORP
- filed_at: 2024-12-19T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1018164/000101816424000107/0001018164-24-000107-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1018164/000101816424000107/wlfc-20241217.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001018164-24-000107
- JSON: https://secwatch.observer/filing/0001018164-24-000107.json
- Plain text: https://secwatch.observer/filing/0001018164-24-000107.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.