# SEROC 55/58 > Pilot tool for estimating aircraft performance metrics for Beech Baron 55/58. (iPhone/iPad app by William Downing.) - Source: https://appshunter.io/ios/app/seroc-5558/id1158591690 (this page in markdown: same URL + `.md`) - Developer: [William Downing](https://appshunter.io/developer/1158046062) - Category: Travel, Utilities - Price: Free - Rating: 3.00/5 from 2 App Store ratings · 7 written reviews indexed - Age rating: 17+ - Requires: iOS 12.0 · 10 MB - Languages: English - Released: 2016-10-05 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/seroc-5558/id1158591690/reviews.md ## What is SEROC 55/58? Note: You must have software version 12.0 or greater on your iPhone/iPad. This app takes the single engine rate of climb (SEROC), the Accelerate/Stop (Accel/Stop), and the Single Engine Service Ceiling (SESC) charts in the Beech POH and converts them to a simple, quick, and easy way to estimate your SEROC, Accel/Stop distance & the Single Engine Service Ceiling (SESC) for the Beech Baron's 55/58 on your iPhone /iPad with IO470, IO520, or IO550 engines. The app now will also calculate the SEROC, Accel/Stop and the SESC for the BE58P Baron. The app is NOT applicable for the BE55 1961-1963 models, or the BE56/58TC Barons. Accuracy + or - 50 FPM for the SEROC, + or - 100 feet for Accel/Stop and + or - 200 feet for the Single Engine Service Ceiling (500' for the BE58P). Any mods done on your aircraft that affect performance or weight limits are not considered in the calculations. To see the user reviews, click on "Reviews", then "All Versions". ## Key features - Estimates Single Engine Rate of Climb (SEROC) - Calculates Accelerate/Stop distance - Determines Single Engine Service Ceiling (SESC) - Supports Beech Baron 55/58 models - Works with IO470, IO520, IO550 engines - Includes BE58P Baron calculations ## Recent user reviews (7 of 7) All indexed reviews: https://appshunter.io/ios/app/seroc-5558/id1158591690/reviews.md ### 5/5 — Great App!! *2016-12-15, version 3.2.1* Greatly appreciated!! Increases safety of each flight! ### 5/5 — Pilot *2016-12-12, version 3.2.1* Great App!!! No Baron Pilot should be without it! ### 5/5 — Excellent app *2016-12-09, version 3.2.1* This is a quick way to check for sufficient runway length and performance capability for the Beech Baron. It's easy to use and requires readily available data. I recommend it to all Baron pilots. ### 5/5 — Amazing accuracy *2016-11-14, version 3.1* Great app with amazing accuracy when compared to the POH. Be certain to read the Disclaimer which cautions on certain aircraft that this is not applicable for. Kudos to the developer for making SEROC easy to estimate. ### 5/5 — TX *2016-11-13, version 3.1* This app is easy to use and accurate providing the most important performance numbers. It will keep us all safe. ### 5/5 — Simple, easy, useful *2016-11-10, version 2.1* Great app. Thanks for putting it together. It's very easy and quick to use and provides helpful information without having to break out a ruler and magnifying glass to read the chart in the POH. For any future versions, any chance it could show takeoff distance over a 50' obstacle (both engines running)? ### 5/5 — No Excuses *2016-11-09, version 2.1* This app is so easy to use that there should be no excuse for not making it a part of your preflight planning. ## Frequently asked questions about SEROC 55/58 ### What aircraft models does SEROC 55/58 support? SEROC 55/58 supports the Beech Baron 55/58 models with IO470, IO520, or IO550 engines, and the BE58P Baron. It is not applicable for BE55 1961-1963 models or BE56/58TC Barons. ### What is the accuracy of SEROC 55/58 calculations? The app provides estimations with an accuracy of +/- 50 FPM for SEROC, +/- 100 feet for Accelerate/Stop distance, and +/- 200 feet for Single Engine Service Ceiling (500' for the BE58P). ### Does SEROC 55/58 consider aircraft modifications? No, SEROC 55/58 does not consider any modifications done on your aircraft that affect performance or weight limits. Calculations are based on the standard Beech POH. ### What software version is required for SEROC 55/58? You must have software version 12.0 or greater on your iPhone/iPad to use SEROC 55/58. ### What is the age rating for SEROC 55/58? SEROC 55/58 has an age rating of 17+, which is common for specialized utility applications. ### How often is SEROC 55/58 updated? The app was last updated on March 20, 2021, to version 4.1. Previous updates were released periodically since its initial release on October 5, 2016. ### What devices does SEROC 55/58 support? SEROC 55/58 is supported on iPhone, iPad, and iPod devices. ### What is the user sentiment for SEROC 55/58? SEROC 55/58 has a rating of 3.0 stars from 2 ratings, indicating a mixed user reception based on the available data. ## Version history (last 5 releases) ### 4.1 — 2021-03-20 This version is updated to support more versions of iOS as per Apple's guidelines ### 4.0 — 2016-12-20 The app now calculates your Accel/Stop distance and Single Engine Service Ceiling for all BE58P Barons (1976-1978, 1979-1983, and the 1984-1984 models). Minor edits on the previous version. To see the user reviews, click on "Reviews", then "All Versions". ### 3.2.1 — 2016-12-08 The app now calculates your Single Engine Rate of Climb (SEROC) for all BE58P Barons (1976-1978, 1979-1983, and the 1984-1984 models). Minor edits on the previous version. To see the user reviews, click on "Reviews", then "All Versions". ### 3.1 — 2016-11-12 In addition to the single engine rate of climb, Accel/Stop distance, the app now calculates the single engine service ceiling for the BE55/58 with the IO470, IO520, and IO550 engines. ### 2.1 — 2016-11-04 The SEROC (single engine rate of climb) app now also calculates the Accelerate/Stop distance for the BE55/BE58 aircraft models. A "Notes & Disclaimer" page has also been added... ## Apps similar to SEROC 55/58 | App | Rating | Price | Category | | --- | --- | --- | --- | | [Abomis Weight and Balance](https://appshunter.io/ios/app/abomis-weight-and-balance/id1575407609) | 5.0 (3) | Free | Travel | | [Bahamas Caribbean Pilot Guides](https://appshunter.io/ios/app/bahamas-caribbean-pilot-guides/id1179374298) | 3.1 (8) | Free | Travel | | [Bombardier Cabin Control](https://appshunter.io/ios/app/bombardier-cabin-control/id1107656470) | — | Free | Travel | | [Airshow Mobile 3](https://appshunter.io/ios/app/airshow-mobile-3/id1525957526) | 4.7 (3) | Free | Travel | | [FBOProps](https://appshunter.io/ios/app/fboprops/id1611130579) | 5.0 (6) | Free | Travel | | [Pilots Atlas](https://appshunter.io/ios/app/pilots-atlas/id581508432) | 4.3 (93) | Free | Travel | ## More apps by William Downing - [Vnav4+](https://appshunter.io/ios/app/vnav4-plus/id6478510518) All apps by William Downing: https://appshunter.io/developer/1158046062 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*