---
kind: "section"
citation: "14 C.F.R. § 420.25"
title: "14"
number: "420.25"
heading: "Launch site location review—risk analysis."
url: "https://uscodex.org/cfr/14/420.25"
---

# §420.25. Launch site location review—risk analysis.

- (a) If a flight corridor or impact dispersion area defined by [§ 420.23](/cfr/14/420.23.md) contains a populated area, the applicant shall estimate the casualty expectation associated with the flight corridor or impact dispersion area. An applicant shall use the methodology provided in appendix C to this part for guided orbital or suborbital expendable launch vehicles and appendix D for unguided suborbital launch vehicles.
- (b) For licensed launches, the FAA will not approve the location of the proposed launch point if the estimated expected casualty exceeds 1 × 10−4.

## Notes

### Amendments

[Doc. No. FAA-1999-5833, 65 FR 62861, Oct. 19, 2000, as amended by Amdt. 420-3, 72 FR 17019, Apr. 6, 2007; Docket No. FAA-2014-0418, Amdt. No. 420-7, 81 FR 47027, July 20, 2016; Doc. No. FAA-2016-6761, Amdt. No. 420-8, 83 FR 28535, June 20, 2018]

### Authority

Authority: 51 U.S.C. 50901-50923.

### Source

Source: Docket No. FAA-1999-5833, 65 FR 62861, Oct. 19, 2000, unless otherwise noted.

### Amendments

[Doc. No. FAA-1999-5833, 65 FR 62861, Oct. 19, 2000, as amended by Amdt. 420-3, 72 FR 17019, Apr. 6, 2007; Docket No. FAA-2014-0418, Amdt. No. 420-7, 81 FR 47027, July 20, 2016; Doc. No. FAA-2016-6761, Amdt. No. 420-8, 83 FR 28535, June 20, 2018]